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Meet Our Providers 2024-02-19T07:45:35-07:00


david dreitlein md marillachealth grand junction co

David Dreitlein, MD, FACEP

Chief Medical Officer

Dr. Dreitlein joined MarillacHealth in July 2023. He attended the University of Colorado Boulder for his undergraduate education then medical school at CU Health Sciences Center. He completed his residency in Emergency Medicine at Brown University where he served as Chief Resident. After working in hospital settings as an emergency physician for over 20 years, where he held many leadership roles including emergency department director and Chief of Staff, he transitioned to community medicine in 2020. Since that time, he has worked as medical director for a western slope safety net clinic for the medically underserved. Throughout his career he has been appointed to numerous committees for the State of Colorado and has been involved in the creation of several joint projects between regional hospitals. In the past, Dr. Dreitlein has worked as a physician in the Everest Region of Nepal as well as a flight physician. He has been active in medical roles for local National Parks, ski areas and other outdoor organizations. He spends his free time with his wife, a local veterinarian, and his two kids, hiking, skiing, backpacking and in general enjoying all the outdoor activities Western Colorado has to offer.

katherine howe, do marillac health grand junction

Katherine Howe, D.O.

Family Physician – 6th Street Clinic

Dr. Howe joined MarillacHealth in January 2023. She attended the University of Colorado at Boulder for undergraduate, Des Moines University for Osteopathic Medical School and Phoenix Baptist for internship and residency training. She is a board-certified family physician. Dr. Howe moved to Grand Junction in 2010. She is currently the Medical Director at Grand Junction Regional Center, and she enjoys caring for patients with intellectual and developmental disabilities. Dr. Howe has a special interest in “root cause medicine” and she is working on becoming a certified Functional Medicine Practitioner through the Institute for Functional Medicine. In her free time Dr. Howe enjoys spending time with her husband and three daughters. She also enjoys yoga, hiking, cross-country and downhill skiing. 

Dr Anna Jensen marillachealth grand junction co

Anna Jensen, MD

Family Physician – 29.5 Road Clinic

Dr. Jensen obtained her undergraduate degree at New Mexico State University in Las Cruces, NM then went on to Temple University School of Medicine at Philadelphia, PA for her medical degree. She began her Internal Medicine internship at West Virginia University in Morgantown, WV but found that she missed the wide-open spaces and blue skies out west so relocated to the University of New Mexico at Albuquerque, NM to finish the Internal Medicine residency. After completion of the training, she relocated to Bethel, Alaska to provide full spectrum healthcare to native Alaskan Eskimos. During a brief visit to see in-laws in Grand Junction, she fell in love with the area and community. She joined the Grand Junction VA Medical Center in July 2000 and served for 20 years in a broad range of Veterans’ health needs from primary care and hospital medicine to geriatrics and hospice care. Dr. Jensen started at MarillacHealth in November 2023 and is very excited to start this new chapter in her career. She is excited to be a part of the future growth of community health services in our valley. Dr. Jensen is married with two daughters and two dogs and enjoys spending time outdoors hiking trails with the dogs and spending time with friends and family. 

Charles Lackey MD- doctor at MarillacHealth grand junction co

Charles W. Lackey, MD

Primary Care Physician – 6th Street Clinic

Dr. Lackey grew up in Denver, Colorado, attending school through high school there and participating in scouting, becoming an Eagle Scout. He went to Colorado College for his undergraduate education, majoring in Anthropology. He then went to McGill University in Montreal, Canada for medical school and returned to Denver for post graduate education, doing an internship, then a residency and family medicine. Since then he has worked in family medicine and emergency room medicine in Summit County, Colorado. He worked at the Summit Community Care Clinic in Frisco for the past five years with his primary interest areas being general family practice, emergency medicine, and geriatrics. His outside interests include hiking, golf, camping and astronomy. Dr. Lackey joined MarillacHealth in January 2024.

Andrea Nederveld, MD Family Physician Marillac

Andrea Nederveld, MD

Primary Care Physician - 6th Street Clinic

Dr. Nederveld joined MarillacHealth in September 2018. She attended the University of Michigan for undergraduate, Michigan State University for medical school, and University of Michigan for residency training. She is an Internal Medicine/Pediatrics trained physician who has lived and worked in Grand Junction for the past twelve years. She previously worked at Marillac from 2005-11 and was in private practice from 2011-2015. In 2015 she started a fellowship in primary care research through the University of Colorado. With her fellowship now complete, she is now an assistant professor in the Department of Family Medicine at CU, but will continue to live and work clinically in Grand Junction. Her primary research interests are in obesity treatment and prevention as well as exploring the effects of social determinants of health on practice strategies and health outcomes. In her free time, she enjoys spending time with her husband, three kids and dog doing fun things outside.


Jennifer Stroh, DO

Family Physician – 12th Street Clinic

Dr. Stroh attended Colorado College for undergraduate training and Kansas City University of Osteopathic Medicine and Biosciences for medical school. She completed a Family Medicine Residency at North Colorado Medical Center in Greeley, Colorado. She spent three and a half years working in Alaska with the Alaska Native Medical Center system and then in 2009 returned to Colorado to practice medicine in Grand Junction. She has been in private practice since 2009 and now joins MarillacHealth in 2023. Dr. Stroh enjoys seeing patients of all ages, newborn to elderly, and providing comprehensive care to all of her patients, along with transgender health and women’s health. Dr. Stroh is a Colorado native and enjoys spending time in the outdoors with her family.

Rosa Gardner PA-C Marillac

Rosa Gardner, PA-C

Certified Physician Assistant - School-Based Health Center - Central High School Warrior Wellness Center

Rosa received her training at Rocky Mountain College in Billings, Montana. Prior to PA school, she worked as an EMT in the emergency department for 3 years and before that worked in outdoor education and community outreach. In the fall 2018, she returned to Grand Junction after a year working in family medicine in Reno, Nevada, and joined MarillacHealth.  Rosa enjoys seeing patients of all ages, and believes in developing a care plan in partnership with the patient. She was drawn to Marillac for the integrated model – she loves having behavioral health, dental and medical care available all in one place which allows for ease of access for our patients as well as collaboration of their care providers! She enjoys outdoor recreation – particularly hiking and mountain biking – as well as reading and playing the piano.

Keelin Lewis PA-MarillacHealth Grand Junction

Keelin Lewis, PA-C

Certified Physician Assistant - 6th Street Clinic

Keelin joined MarillacHealth in August 2022 after graduating from Colorado Mesa University here in Grand Junction. Prior to PA school, she worked with children in foster care, adults with developmental disabilities, and as a CNA in a rehabilitation facility. Before her career shift, she worked as a geomorphologist and hydrologist and still loves collecting rocks and chasing flash floods. After her undergraduate studies, Keelin served as a Peace Corps volunteer in El Salvador where she developed a strong commitment to service and the migrant community. Keelin enjoys patients of all ages and believes in working closely with her patients to determine the care they will receive. She also appreciates the integration of dental and behavioral health with the medical care offered at Marillac. In her free time, Keelin enjoys playing outside in any capacity as well as taking care of her dog and chickens and reading a wide variety of fiction.

photo of Krista Kolkovich at MarillacHealth Grand Junction, CO

Krista Kolkovich, MSN, APRN, FNP-C

Certified Family Nurse Practitioner - 12th Street Clinic

Krista is a board-certified Family Nurse Practitioner with a passion for providing an evidence-based personalized approach to preventative healthcare, wellness, and education. She has over 15 years of healthcare experience ranging from hospital-based care with a focus on blood cancer and general oncology to community health. Krista holds a Master’s degree from Walden University and a Bachelor’s degree from University of Colorado Anschutz Medical Campus. She has completed additional training as a certified breast navigator, supporting breast cancer patients, and is an oncology certified nurse. She enjoys outdoor adventures with her husband and three children, including traveling, Spartan racing, mountain biking, skiing, running, yoga, reading, and gardening.

Janie Phillips Certified Family Nurse Practitioner

Janie Phillips, FNP-C

Certified Family Nurse Practitioner - 29.5 Road Clinic

Janie joined MarillacHealth in December 2021. She graduated from Wichita State University with her BSN and worked in an emergency department for four years prior to returning to school. She then attended Vanderbilt University earning a Master of Science in Nursing, specializing as a Family Nurse Practitioner. She has experience at a Community Health Center in Wichita, Kansas where she served patients of all ages and varying cultures. Janie recently moved to Colorado and is very excited to continue family practice with MarillacHealth. She has a passion for preventive medicine and looks forward to implementing this in her care. In her free time Janie enjoys hiking, reading, and annoying her dogs with her attempt to play the cello.

Gretta Thompson FNP MarillacHealth Grand Junction

Gretta Thompson, DNP, FNP-C, BSN, RN

Family Nurse Practitioner - 6th Street Clinic

Gretta joined Marillac in June 2022. Gretta is a board-certified Family Nurse Practitioner (FNP), who earned her doctorate in nursing practice from Johns Hopkins University in May 2022, completing one of her clinical rotations at Marillac in 2021. Gretta earned her BSN at Colorado Mesa University in 2017 after working in critical care for many years in the Grand Valley. Gretta enjoys caring for patients throughout the lifespan and has a special interest in adolescent health and preventative medicine. Additionally, Gretta enjoys educating the next generation of nursing and staying up to date on her practice as a nursing instructor. Gretta is a native to Colorado and has lived in Mesa County for the past nine years where she has grown her family and enjoys all the community has to offer. Gretta is a mountain biker and enjoys hiking alongside her two pups and kiddos. Gretta is passionate about your care, and excited to be part of the Marillac team!

Amy Witte FNP marillachealth grand junction co

Amy Witte, BA, RN, MS, FNP-C

Certified Family Nurse Practitioner - 29.5 Road Clinic

Amy received her nursing degree from St. Olaf College in Northfield, MN in 1996. After years working as an RN in various communities (Madison, WI; Gunnison, CO; Nome, AK) and various summer camps across the country, she returned to graduate school at the University of Colorado in Denver to complete her master’s in nursing as a family nurse practitioner. She spent 20 years in Denver working with the underserved, and most recently at DenverHealth Medical Center. She appreciates the integrated care model that Federally Qualified Community Health Centers offer to patients, and the ability to get all of the care in one location. She also specializes in substance use/abuse care; LGBTQ+ care including PrEP and transgender health. In her free time, she enjoys doing DIY projects, crafts, camping with her family, and exploring the western slope. She is excited to join the Marillac team and provide care to the Grand Junction community.

Sherry Woods FNP at MarillacHealth Grand Junction, CO

Sherry A. Woods, MSN, APRN, FNP-C, BBA

Family Nurse Practitioner - 6th Street Clinic

Sherry joined MarillacHealth in June 2020. She completed her Master of Science degree in Nursing specializing as a Family Nurse Practitioner (FNP) at the University of Colorado in Colorado Springs, Colorado in 2018.

Prior to becoming an FNP, Sherry had worked as an RN for 15 years as a circulating nurse in surgery, perioperative educator, charge nurse, orthopedic and dental surgical coordinator, and surgical services director. She also has a nursing background in home health, hospice, and case management and pain management nursing. Most recently, Sherry has worked as an FNP in a family practice and sports medicine clinic working with patients of all ages and conditions.

Sherry enjoys caring for all patients from the pediatric to geriatric populations and focuses on all aspects of patient care to improve the patient’s overall health and well-being. Born and raised in the Grand Valley, Sherry enjoys spending time with her husband Patrick, their adult children and their dogs taking family vacations, attending sporting events, as well as spending time in the Colorado outdoors camping, boating, hiking, fishing and 4-wheeling.


Tom Lavery, DDS

Chief Dental Officer

Dr. Lavery began his employment with Marillac as a full-time dentist in 2005 and was promoted to the position of Dental Director in February, 2007. Dr. Lavery received his dental degree from Creighton University and completed his residency program at Wyoming State Hospital in Evanston, Wyoming. He possesses 37 years of private and public health dentistry.


Kathryn Hart, DDS

Dental Director & Pediatric Dentist

Dr. Kathryn Hart graduated from the University of the Pacific School of Dentistry in 2003 and completed residencies in Advanced Education in General Dentistry (AEGD) and Pediatric Dentistry at The Children’s Hospital, Denver CO in 2008. In addition to patient care, each year “Dr. Kate” supervises 2-3 AEGD dental residents assigned by New York University. She joined Marillac in 2008. In June 2021, she assumed the leadership position of Associate Dental Director. When she is not working, she spends time with her family including her two young sons and enjoys gardening and audiobooks.

Katie Delancey DDS MarillacHealth dentist

Katie Delancey, DDS


Dr. Delancey is originally from Michigan where she attended Michigan State University for undergraduate in biomedical laboratory sciences followed by dental school at Detroit Mercy. She previously worked in private practice from 2017-2022 in Longmont, Colorado. Her passion in dentistry lies in a comprehensive approach with emphasis on prevention of oral disease. She loves connecting with her patients on a personal level and tailoring a treatment plan that works for the individual. Outside of dentistry, she likes skiing the Ikon resorts and backcountry camping. You’ll also find her hiking with her Pyrenees mix dog named, Merry. She is excited to be here serving the Grand Junction community. 

Firas Habaj DDS-dentist marillachealth grand junction co

Firas Habaj, DDS


Dr. Habaj joined MarillacHealth in January 2024. Dr. Habaj completed his undergraduate degree at the University of Missouri and his Doctorate of Dental Surgery at Marquette University in Wisconsin. He also completed multiple residencies and postdoctoral trainings at the University of Texas, Ohio State University and Bern University. Dr Habaj has a wide range of experience practicing in Ohio and overseas where he consulted internationally to improve and guide dental practices to elevate their standard of care. His simple approach is to provide the best care and to treat every single patient the same way as he would treat his own family.


Quinn Meehan, DDS


Dr. Meehan joined MarillacHealth in January 2022. Dr. Meehan received his dental degree from the University of Maryland Dental School in 2019. He went on to complete an Advanced Education in General Dentistry (AEGD) Residency through East Carolina University in 2020. Dr. Meehan is originally from Frederick, Maryland and loved coming from large family. Dr. Meehan says his favorite part about being a dentist is helping patients with emergency treatment. During his free time he loves spending time outdoors mountain biking and exploring new places.

Amber Abeyta RDH

Amber Abeyta, RDH


Amber grew up in the Grand Valley. She attended Colorado Northwestern Community College (CNCC), and graduated with her Associates in Dental Hygiene in 2012. She is a busy mom too! In her free time she enjoys being with family, running 5ks, hiking, and being outside. Amber previously worked for Marillac from 2014-2016 but left to relocate. She is excited to be back at Marillac and be more involved in the health of the community. 

Heather Auffert RDH marillac health grand junction, co

Heather Auffert, BSDH, RDH


Heather grew up in small-town Iowa. She attended the University of South Dakota and graduated in 2018 with a Bachelor of Science degree in Dental Hygiene. In July of 2023, Heather moved to Grand Junction with her partner and their goofy goldendoodle. She joined Marillac in October of 2023 with the intent to give back to the local community. She’s passionate about patient education and aims to empower others through dental knowledge. Heather is a lover of the outdoors, plants, animals, yoga, art, live music, and trying new things! 

Kayla Rauschert RDH marillac health grand Junction, Co

Kayla Harriman, RDH


Kayla Harriman joined MarillacHealth in June 2023. Kayla grew up in Eugene, Oregon. Kayla received her Bachelor’s degree in Business and Master’s degree in Business Administration at Grand Canyon University. In addition, she recently attended Colorado Northwestern Community College (CNCC) and graduated with her Associates in Dental Hygiene in May of 2022. In her free time, she enjoys hiking and mountain biking with her husband and working out. Kayla has a wonderful newborn son who was born in February 2023. 

Mae Haulman RDH MarillacHealth Grand Junction CO

Mae Haulman, RDH


Mae grew up in Western Colorado. She attended Colorado Northwestern Community College (CNCC) and graduated with her Associates in Dental Hygiene in 2017. In her free time, she teaches fitness classes and coaches wellness. She loves her garden, is a crazy cat lady- loves her two kitties and is a proud wife of an amazing nurse. She also loves to be active outdoors- skiing, mountain biking, trail running and all the things! Creating room for people to feel accepted, valued and loved is so important to her and Marillac feels like a place to do just that. She is so excited to be a part of the Marillac team! 

Dawn Smuin RDH marillac health grand junction, co

Dawn Slater-Smuin, RDH


Dawn attended Central Community College in Hastings, Nebraska and received an Associates in Applied Sciences and became a Dental Hygienist in 2014. She wanted a career where she helped people. Dental hygiene has allowed her to do that many times over. She moved to Grand Junction recently from Fort Collins and loves the area. Dawn joined Marillac in October 2023. In her free time she enjoys hiking, running, outdoor music and spending time with her two dogs Max and Cheyenne!


Brittany Williams, RDH, BAS


Brittany attended dental training at Colorado Northwestern Community College and became a Registered Dental Hygienist in 2012. In May 2020 she received a Bachelor’s in Applied Sciences- Dental Hygiene from Community College of Denver. She is enthusiastic about performing dental screenings and educating children and their families, “to make the dental world a little less intimidating.” Time away from work includes painting, traveling, friends, family and a very special dog.

photo of Elise Rediger-behavioral health MarillacHealth Grand Junction

Elise Rediger, LPC, LAC, ADS

Behavioral Health Director

Elise earned her undergraduate degree in Business Administration from the University of Denver and her Master’s degree in Counseling and Psychological Services from Saint Mary’s University of Minnesota. She has been a Licensed Professional Counselor since 2017 and a Licensed Addiction Counselor since 2018. Her experience has been in community mental health, substance use disorder treatment and integrated primary care. She is certified as an Acupuncture Detoxification Specialist. Elise joined MarillacHealth in November 2023. She strives to engage patients to act as the primary leader in their own care and well-being through prioritizing prevention, wellness, and education. 

Katia marillachealth behavioral health grand junction co

Katia Bhagatram, MPH, LPCC

Behavioral Health Provider - 6th Street Clinic

Katia joined MarillacHealth in February 2024. She was raised in Alaska with professional and educational backgrounds in anthropology and public health. Katia has always been drawn to community-based services and supporting people to build safer, healthier, and more balanced lives. During the COVID quarantine period, Katia took the opportunity to return to graduate school and earn a M.A. in Counseling Education. She is both a Colorado state certified school counselor and a Licensed Professional Counselor. Her previous employment in home health, hospitals, and medical offices on the Western Slope has helped her gain a familiarity with the social determinants of health that are frequently experienced by local community members. Katia brings a great deal of experience working in crisis intervention, trauma, and adolescent and family issues, and utilizes therapeutic approaches based on Accelerated Resolution Therapy (ART), solution-focused, and Polyvagal theory. The opportunity to help patients understand their conditions and steps they can take to improve both their physical and mental health is what draws Katia to work in an integrative health care model. Outside of work, the majority of Katia’s free time is spent with her horses, Tux – her 150 lb certified therapy dog, and family exploring around the trails on the Western Slope.  


Brandi Byars, MSW, LCSW, CCTP

Behavioral Health Provider - 6th Street Clinic

Brandi joined Marillac Health in February 2022 and is a native of Colorado. She enjoys supporting patients and families in healthcare settings and gained interest in doing so after obtaining an Associates Degree in Occupational Studies of Medical Technician in 2004. Shortly after receiving her Bachelor of Social Work degree from Colorado Mesa University in 2018, she traveled to East Africa to practice international social work in supporting young women who had experienced loss or trauma. She obtained her Master of Social Work degree in 2019 and graduated Magna Cum Laude from University of Denver Graduate School of Social Work. She specializes as a Certified Clinical Trauma Professional and holds a strong interest in suicide prevention, treatment, and awareness with the belief that there is always hope.

Brandi describes her role in working with patients in enhancing quality of life regardless of where they are at in their medical journey as a privilege. She spends her free time with her family and their two dogs, Pasta and Porter. She enjoys living in Colorado, yoga, traveling, and riding bikes with her family. 


Rod Pyland, LCSW

Behavioral Health Provider, (Licensed Clinical Social Worker) - 29.5 Road Clinic

Earning master’s degrees in both Social Work and Public Administration for the University of Denver in 1978, Rod is licensed as a Clinical Social Worker and certified as an Acupuncture Detoxification Specialist. Rod imparts hopefulness and new skills to his patients. The unique acupuncture uses is designed to help with addictive behaviors, emotional balance and sleep. Rod and his wife provide foster care for children.

photo of Andrew Rossway LPC at MarillacHealth Grand Junction CO

Andrew Rossway, LPC

Behavioral Health Provider - 6th Street Clinic

Andrew joined MarillacHealth in November 2021. Andrew is a Licensed Professional Counselor and holds a Master’s degree in Clinical Mental Health Counseling from Northern Arizona University in 2017. Andrew has worked with many different populations in a variety of settings including wilderness therapy, in home ABA therapy, intensive inpatient therapy, outpatient therapy, and family therapy. Andrew enjoys collaborating with patients to achieve mental well-being and believes that everyone deserves to be happy and healthy. He was drawn to Marillac for the integrated model – as he believes working in collaboration with medical care allows the opportunity to address an individual’s health in their entirety. When he is not working he enjoys rock climbing, whitewater rafting, and fly fishing with his wife and two dogs.