Faculty & Staff


Dr. Nora Lamartine headshot photo

Nora Lamartine, MD

program Director

Dr. Lamartine grew up in Northern New Mexico and received her medical degree from Ross University School of Medicine. She completed her Family Medicine residency and served as chief resident at the University of Massachusetts Family Medicine and Community Health Residency after which she obtained board certification in Family Medicine. She then completed a fellowship at Texas A &M college of Medicine Christus Health in Obstetrics and Women’s Health. After completing her fellowship, she joined El Centro Family Health and served as the North Region Medical Manager for Taos and Rio Arriba counties. Her medical interests include full spectrum care including obstetrics, substance use disorders, motivational interviewing, deprescribing, and point of care procedures. Dr. Lamartine’s personal interests include restoring old furniture, crafting, spending time outside with her dog, and travel.

Dr. Tanya Reyes headshot photograph

Tanya Reyes, MD

Associate program Director

Dr. Reyes grew up in Española, New Mexico and received her medical degree from The University of New Mexico School of Medicine. Ever rooted to Northern New Mexico, she then completed her Family Medicine Residency in Santa Fe with the Northern New Mexico Family Medicine Residency Program in June 2019. With the goal of returning to her hometown, she joined the El Centro team September 2019 as a National Health Service Loan Repayment Scholarship Recipient. Dr. Reyes is Family Medicine Board certified and has medical interests in behavioral health, substance use disorder and medical-assisted treatment, interdisciplinary care, and adolescent health which she practices at the school-based health clinics in Española: Española Valley High School and Carlos Vigil Middle School. One of her passions and goals in returning to Española is to inspire the community’s youth to pursue higher education especially in the fields of medicine.

James M. Mash, PhD

Behavioral Health Faculty

Dr. Mash received his doctorate in Clinical Psychology with a specialty in Child and Adolescent Psychology from Pennsylvania State University. In addition, he completed his training in psychopharmacology from New Mexico State University and has 15 years’ experience working as a Prescribing Psychologist. Dr. Mash’s career has focused on providing mental health care to underserved populations in rural Northern New Mexico with an emphasis on addressing complex mental health issues across the life span. He has a particular interest in providing mental health care in areas where such need is the most acute, e.g. emergency rooms, Detention Centers, Drug/Alcohol Treatment Centers as well as in rural community health centers.  Dr. Mash was the Clinical Director and lead Clinician at Tri-County Community Services before joining El Centro Family Health (ECFH). His work at ECFH has involved providing psychotropic medication management to the diverse clinical population and providing trainings and consultation to the medical providers from the 27 clinics within El Centro and other numerous family physicians in Northern New Mexico.  His favorite nonwork activities center around spending time with his family and enjoying nature,  running mountain trails, splashing in the Rio Grande  and exploring what’s around the next bend.

Ashten Duncan, MD, MPH, CPH

Core Faculty

Dr. Duncan received his medical degree from the OU-TU School of Community Medicine in 2021, and completed his family medicine residency training at the UNM-Santa Fe Family Medicine Residency Program in June 2024. He also earned his Master of Public Health degree from OUHSC Hudson College of Public Health, and his Bachelor of Science degree in Microbiology from the University of Oklahoma. In 2023, he received the American Academy of Family Physicians’ Award for Excellence in Graduate Medical Education. Originally from Moore, Oklahoma, Dr. Duncan was drawn to New Mexico for the opportunity to serve marginalized populations effectively, recognizing different cultures require different and nonconventional approaches to their care. His medical interests include Native/tribal health, outpatient and behavioral medicine, lifestyle and integrative medicine, public health, and applied research in primary care.


Esther Tipton headshot photo

Esther Tipton, MS, MA

Program Manager

Esther Tipton comes to the medical profession with many years’ experience in the educational field.  She is a former teacher, mentor, and administrator before making a career change and began as a Registered Medical Assistant (RMA) and administrative assistant in a Federally Qualified Health Center (FQHC).   She is well-versed in cross cultural issues and has taught overseas, including Papua New Guinea and South Korea.  Esther was part of a team that established a thriving startup public charter school in Denver, Colorado, and was also a principal at a small private school.  She has held various leadership positions throughout her career and brings tremendous insight as Residency Program  Manager.  Her leadership skills, commitment to providing excellent care to underserved areas, and educational background make her especially qualified to serve in this role.  She has a Bachelors’ degree in Religion, a Master of Arts in Intercultural Studies, and a Master of Science in Education. She has a passion for the theory of Multiple Intelligences, curriculum development, linguistic notions, relationship building, and lifelong learning. This “toolkit” will assist her as she provides administrative support for the residency program. Her organizational skills and passion for learning enable her to “see the big picture” while attending to the small details on a daily basis.  During her free time Esther enjoys traveling, reading, watching the latest drama series on British TV, and spending time with her family.