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

John Putnam Siegel, MD

Individual provider Surgery Physician · NPI 1376589150

John Putnam Siegel, MD is a Surgery Physician in San Jose, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

751 S Bascom Ave General Surgery Dept
San Jose, CA 95128-2604
Phone: (408) 885-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Surgical Critical Care Physician (primary) Taxonomy 2086S0102X · Licence G56645 (CA)
Surgery Physician Taxonomy 208600000X · Licence G566450 (CA)

Record details

NPI number1376589150
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 21, 2006
Last updated in NPPESSeptember 11, 2025

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