Tanya Threewitt, MD
About This Business
With 27 years of experience since graduating from Drexel University College of Medicine in 1999, Dr. Tanya Threewitt, MD, practices family medicine in Concord, California. She holds an active California license and has been registered with the national provider registry since 2006. She is affiliated with John Muir Medical Center - Concord Campus and John Muir Medical Center - Walnut Creek Campus. She is one of five family medicine physicians among the 85 Concord doctors in our directory. She accepts Medicare and offers telehealth, one of ten Concord doctors in our directory with both. Patients rate her 4.9 across 12 reviews.
Verified Provider Info
- Specialty (per registry)
- Family Medicine
- NPI Number
- 1699708610
- Medical school graduate
- 1999 (27+ years of practice)
- Medical school
- DREXEL UNIVERSITY COLLEGE OF MEDICINE
- State license
- A73909 (CA)
- Hospital affiliations
- John Muir Medical Center - Concord Campus · John Muir Medical Center - Walnut Creek Campus
Source: NPPES NPI Registry (CMS) · CMS Doctors & Clinicians dataset · checked 2026-08-19
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Information last updated: September 7, 2026
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