JOHN PUTNAM SIEGEL MD
NPI 1376589150
Surgery - Surgical Critical Care in San Jose, CA

Active since June 21, 2006
751 S BASCOM AVE, GENERAL SURGERY DEPARTMENT, SAN JOSE, CA 95128(408) 885-5000 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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

NPI1376589150
Entity TypeIndividualMale
Primary Taxonomy2086S0102X
Provider Legal NameJOHN PUTNAM SIEGELCredential: MD
Location Address751 S BASCOM AVE, GENERAL SURGERY DEPARTMENTSan Jose, CA 95128-2604
Mailing Address1541 University AveSan Jose, CA 95126 · (408) 246-7767
Sole ProprietorNo
Enumeration DateJune 21, 2006
Last NPPES UpdateSeptember 11, 2025
NPI 1376589150 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtySurgery · Surgical Critical CareAllopathic & Osteopathic Physicians
Taxonomy Code2086S0102X
License Licensed in CA · G56645
Definition
A surgeon with expertise in the management of the critically ill and postoperative patient, particularly the trauma victim, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedSurgeryTaxonomy 208600000X · License G566450 (CA)
751 S BASCOM AVE, San Jose, CA 95128

Other Identifiers 1

Medicaid00G566450CA

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.

Pharmacist
751 S BASCOM AVE
SAN JOSE, CA 95128
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE, DEPARTMENT OF MEDICINE
SAN JOSE, CA 95128
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Perfusionist
751 S BASCOM AVE
SAN JOSE, CA 95128
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Student in an Organized Health Care Education/Training Program
751 S BASCOM AVE
SAN JOSE, CA 95128
Thoracic Surgery (Cardiothoracic Vascular Surgery)
751 S BASCOM AVE, CARDIAC SURGERY DEPT
SAN JOSE, CA 95128
Internal Medicine
751 S BASCOM AVE, RADIATION ONCOLOGY
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.