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

Dr. John David Szumowski, MD, MPH

Individual provider Internal Medicine Physician · NPI 1750558615

Dr. John David Szumowski, MD, MPH is an Infectious Disease in San Francisco, California. Graduated from Harvard Medical School in 2007, 19 years ago. Practices with City and County of San Francisco, a 369-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
19
Trained at
Harvard Medical School
Licensed in
CA
In the registry since
2008
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

4150 Clement St
San Francisco, CA 94121-1563
Phone: (415) 221-4810
Fax: (415) 750-6951
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 128301 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence 128301 (CA)

Record details

NPI number1750558615
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MPH
Sole proprietorNo
NPI enumeratedMay 9, 2008
Last updated in NPPESAugust 12, 2025
Certification dateAugust 12, 2025

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Also practisesINTERNAL MEDICINE
Medical schoolHARVARD MEDICAL SCHOOL
Graduated 2007 (19 years in practice)
Group practice City And County Of San Francisco — 369 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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