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

Dr. Lauren Theresa Proctor, MD

Individual provider Internal Medicine Physician · NPI 1811997901

Dr. Lauren Theresa Proctor, MD is an Internal Medicine in San Francisco, California. Graduated from State University of New York at Buffalo School of Medicine in 1980, 46 years ago. Practices with One Medical Group Inc, a 328-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Massachusetts.

Years since qualifying
46
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
CA, MA
In the registry since
2005
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

2410 California St
San Francisco, CA 94115-2681
Phone: (888) 663-6331
Fax: (415) 252-7176
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 25 Bond Street, Springfiled, MA 01104-3401 — (413) 731-6000

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G187560 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 78214 (MA)

Record details

NPI number1811997901
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 29, 2005
Last updated in NPPESMarch 14, 2025
Certification dateMarch 14, 2025

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice One Medical Group Inc — 328 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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