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

Dr. William Garrett Holder Jr., MD

Individual provider Emergency Medicine Physician · NPI 1205216728

Dr. William Garrett Holder Jr., MD is an Emergency Medicine in South San Francisco, California. Graduated from University of South Carolina School of Medicine in 2015, 11 years ago. Practices with Emergency Coverage LLC, a 771-clinician group and accepts Medicare assignment. Licensed in California, Hawaii and Virginia.

Years since qualifying
11
Trained at
University of South Carolina School of Medicine
Licensed in
CA, HI, VA
In the registry since
2015
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1200 El Camino Real
South San Francisco, CA 94080-3208
Phone: (650) 742-2000
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 C183944 (CA)
Emergency Medicine Physician Taxonomy 207P00000X · Licence MD-20152 (HI)
General Practice Physician Taxonomy 208D00000X · Licence 0101261753 (VA)

Record details

NPI number1205216728
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 1, 2015
Last updated in NPPESFebruary 20, 2025
Certification dateFebruary 20, 2025

Medicare enrollment

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

Medicare specialtyEMERGENCY MEDICINE
Medical schoolUNIVERSITY OF SOUTH CAROLINA SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Emergency Coverage Llc — 771 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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