Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. DONALD JAMES PROLO M.D.
NPI 1467420976
Specialist in San Jose, CA

Q: What is Donald Prolo's NPI number?

The NPI number for Donald Prolo is 1467420976. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Q: What is Donald Prolo's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Donald Prolo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.

Active since March 09, 2006

203 DI SALVO AVE, SAN JOSE, CA 95128(408) 295-4022(408) 295-2562 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Donald James Prolo M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DONALD JAMES PROLO M.D. (NPI 1467420976) is an individual specialist in San Jose, California, licensed in California (G99280) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1467420976

Entity TypeIndividualMale

Primary Taxonomy174400000X

Provider Legal NameDR. DONALD JAMES PROLOCredential: M.D.

Location Address203 DI SALVO AVESan Jose, CA 95128-1628

Mailing Address203 Di Salvo AveSan Jose, CA 95128-1628 · (408) 295-4022 · Fax (408) 295-2562

Phone(408) 295-4022

Fax(408) 295-2562

Sole ProprietorNo

Enumeration DateMarch 9, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1467420976 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in CA · G99280

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

203 DI SALVO AVE, San Jose, CA 95128

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Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DONALD J. PROLO, M.D., INC.

Specialist

203 DI SALVO AVE
SAN JOSE, CA 95128

Santa Clara County (408) 295-4022

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 Donald Prolo's NPI number?

The NPI number for Donald Prolo is 1467420976. It was assigned to this individual provider in the NPPES registry on March 9, 2006.

Where is Donald Prolo located?

Donald Prolo practices at 203 Di Salvo Ave, San Jose, CA 95128. The listed phone number is (408) 295-4022.

What is Donald Prolo's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Donald Prolo was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.