Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Seth Christopher Thomas, MD

Individual provider Psychiatry Physician · NPI 1265643969

Dr. Seth Christopher Thomas, MD is an Emergency Medicine in Antioch, California. Graduated from Albany Medical College of Union University in 2006, 20 years ago. Practices with Franciscan Medical Group, a 1,417-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
20
Trained at
Albany Medical College of Union University
Licensed in
CA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

3901 Lone Tree Way Dept OF Emergency Medicine
Antioch, CA 94509-6200
Phone: (925) 779-7200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A100722 (CA)
Psychiatry Physician Taxonomy 2084P0800X · Licence A100722 (CA)

Record details

NPI number1265643969
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2007
Last updated in NPPESNovember 1, 2021
Certification dateNovember 1, 2021
Mailing address3901 Lone Tree Way, Department Of Emergency Medicine, Antioch, CA 94509-6200

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Also practisesPSYCHIATRY
Medical schoolALBANY MEDICAL COLLEGE OF UNION UNIVERSITY
Graduated 2006 (20 years in practice)
Group practice Franciscan Medical Group — 1417 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Antioch