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

Erin Patricia Williams, MD

Individual provider Pediatrics Physician · NPI 1134705908

Erin Patricia Williams, MD is a Pediatric Medicine in San Francisco, California. Graduated from Columbia University College of Physicians and Surgeons in 2021, 5 years ago. Works from 2 locations. Licensed in California.

Years since qualifying
5
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
CA
In the registry since
2021
Specialties on file
2
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

1975 4th St
San Francisco, CA 94143-2351
Phone: (415) 476-5153
Fax: (415) 476-5354
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 300 Community Dr, Manhasset, NY 11030-3816 — (516) 562-0100

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A199108 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1134705908
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 22, 2021
Last updated in NPPESNovember 24, 2025
Certification dateNovember 24, 2025

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2021 (5 years in practice)
Accepts Medicare assignment Not indicated
Practice locations3 on file with Medicare

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