About Our Pediatric Providers

To provide excellent healthcare and wellness education for the infants, children and adolescents in Durango and the surrounding areas.

For over 15 years now, families from Durango and the Four Corners area have entrusted the health care of their infants, children and adolescents to Pediatric Associates of Durango.

Art Zemach, MD, FAAP:

Dr. Zemach moved to Durango in 1997. He and his wife Colleen have six children and one dog. He enjoys whitewater kayak racing, skiing, mountain biking, and music. Dr. Zemach has provided excellent pediatric care in La Plata county for many years. We are so excited to welcome him back to the practice of medicine at Pediatric Associates of Durango.


Dr. Layton specializes in Behavioral Health management. Utilizing various theories and techniques such as Cognitive Behavioral, Solution focused, and EMDR. She has a strong background in developing a holistic approach aimed at improving a patient’s mental health while providing empathy, patience, and respect to the patient. She has 8+ years of experience in delivering individual and group therapies, conducting mental health assessments, determining the diagnosis, as well as developing treatment and crisis plans.
Dr. Layton earned her undergraduate degree in Communication and Psychology from University of New Mexico in Albuquerque, NM. She earned her master’s degree from Walden University specializing in Mental Health Counseling, and her Doctorate degree in Advanced Human Behavior from Capella University.

In her free time, Dr. Layton enjoys spending time with her family, reading, desert sports, and snowboarding.

Heather Nobles, PA:

Heather recently moved back to Southwest Colorado and is excited to be able to practice medicine in the area where she was raised. She graduated with honors and earned a bachelor’s degree in cellular and molecular biology from Fort Lewis College in Durango, Colorado and then went on to receive her master’s degree in Physician Assistant Studies from the University of Texas Medical Branch (UTMB) in Galveston, Texas. With a foundation in Family Medicine gained while working in Denver for the first 5 years of her career, she is excited to be able to focus on providing quality pediatric care to the Southwest. In her free time, Heather enjoys outdoor activities such as camping, hiking and skiing with her husband, 2 young daughters, and their black lab. Heather is excited to join Pediatric Associates and looks forward to meeting you and caring for your little ones!

Heather Nobles will be the primary provider for our weekly Pagosa clinic as well as filling in at the Durango Office as well.”

Heather Nobles

Bill Streusand, M.D.

Dr. Streusand is a board-certified child and adolescent psychiatrist with nearly 40 years of experience as a provider and medical director in various inpatient and outpatient settings. He was chief of psychiatry at Dell Children’s Medical Center in Austin, and is co-founder of the Texas Child Study Center. He has practiced and promoted integrated behavioral health care for many years. Dr. Streusand is available for on-going collaboration with our practice, as well as for diagnostic evaluations and medical consultation.

We, at Pediatric Associates of Durango, are passionate about setting a new standard for health that empowers children to reach their full potential.

Prenatal & Get Acquainted Visits: Pediatric Associates of Durango offers a complimentary visit which allows you to learn more about our practice. This visit allows you to meet with a practitioner, ask questions and hear more about the services we offer. Please call for more information, or to schedule a prenatal/get acquainted appointment.


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