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

Andrew Trevor Williamson

Individual provider Emergency Medicine Physician · NPI 1437579422

Andrew Trevor Williamson is an Emergency Medicine in San Diego, California. Graduated from Tufts University School of Medicine in 2014, 12 years ago. Practices with San Diego Emergency Physicians Inc, a 37-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Trained at
Tufts University School of Medicine
Licensed in
CA
In the registry since
2014
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Practice location Address checks out

7901 Frost St
San Diego, CA 92123
Phone: (858) 939-3400
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A144673 (CA)

Record details

NPI number1437579422
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedApril 17, 2014
Last updated in NPPESMay 24, 2018

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 2014 (12 years in practice)
Group practice San Diego Emergency Physicians Inc — 37 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in San Diego