JOHN PUTNAM SIEGEL MD
NPI 1376589150
Surgery - Surgical Critical Care in San Jose, CA
About John Putnam Siegel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN PUTNAM SIEGEL MD (NPI 1376589150) is an individual surgical critical care provider in San Jose, California, licensed in California (G56645) and active in the NPI registry since June 2006.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is John Siegel's NPI number?
The NPI number for John Siegel is 1376589150. It was assigned to this individual provider in the NPPES registry on June 21, 2006.
Where is John Siegel located?
John Siegel practices at 751 S Bascom Ave General Surgery Department, San Jose, CA 95128. The listed phone number is (408) 885-5000.
What is John Siegel's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Critical Care, with taxonomy code 2086S0102X.
When was this NPI record last updated?
The NPPES record for John Siegel was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.