The team at Essential Health – Cary
5 practitioners on file
Dr. Elizabeth Sierakowski
Chief Medical Officer / Medical Director (Raleigh, serves network-wide)
Elizabeth Sierakowski, MD, ABFM, ABOIM, ABAARM is triple-trained in family medicine, integrative medicine, and functional medicine. She leads the clinical mission as CMO of Essential Holding Company, developing the advanced training roadmap for providers across all Essential Health locations.
Dr. James Stevens
Founder & Medical Director / Chief Innovation Officer
Dr. James Stevens is the president and founder of Essential Health, based at the Cary, NC location. He is part of a growing effort to seek, refine, and introduce new knowledge and methods to Essential Health clinics.
Dr. Justin Allen
Primary Care Physician – Cary
Justin Allen, DO is double board certified in Internal Medicine and Undersea and Hyperbaric Medicine. He previously served as an Assistant Professor of Medicine in the division of hospital medicine at Duke Raleigh Hospital. He values compassion and respect in patient care.
Dr. Tonya Cramer
Physician (Primary Care – Cary & Raleigh)
Tonya Cramer, MD, MPH, DABOM, DACLM, DABPM, DIBLM is triple board certified in preventative medicine, obesity medicine, and lifestyle medicine and is a fellow of functional medicine. Her clinical interests include lifestyle medicine, hormone balance, weight management, and preventative primary care.
Jennie Welner
Family Nurse Practitioner (FNP-BC, ABAAHP, FAARM)
Jennie Welner has been part of the Essential Health Cary team since 2013. Her clinical focus includes hormone balancing, thyroid health, adrenal health, aesthetics, skincare, hair restoration with PRP, IV nutrient therapy, and weight management.