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

JORGE RICARDO ZALDIVAR DIAZ MD
NPI 1891439774
Student in an Organized Health Care Education/Training Program in Stanford, CA

Active since April 26, 2022PECOS Enrolled
300 PASTEUR DR, STANFORD, CA 94305(650) 723-8561 Get Directions Write a Review

NPPES record last updated: July 15, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 15, 2026, Apr 26, 2022 (2 updates tracked since 2022).

About Jorge Ricardo Zaldivar Diaz Md NPPES

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

JORGE RICARDO ZALDIVAR DIAZ MD (NPI 1891439774) is an individual student in an organized health care education/training program in Stanford, California, licensed in California (A208596) and active in the NPI registry since April 2022. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891439774
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameJORGE RICARDO ZALDIVAR DIAZCredential: MD
Location Address300 PASTEUR DRStanford, CA 94305-2295
Mailing Address300 Pasteur DrPalo Alto, CA 94305-2295
Phone(650) 723-8561
Sole ProprietorNo
Enumeration DateApril 26, 2022
Last NPPES UpdateJuly 15, 20262 updates tracked since enumeration
NPPES CertifiedJuly 15, 2026
✔ NPI 1891439774 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyStudent in an Organized Health Care Education/Training ProgramStudent, Health Care
Taxonomy Code390200000X
License✔ Licensed in CA · A208596
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
300 PASTEUR DR, Stanford, CA 94305
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Jorge Ricardo Zaldivar Diaz Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

PRISTA CHARUWORN MD
Internal Medicine (Gastroenterology)
300 PASTEUR DR, ALWAY BUILD M211, MC 5187
STANFORD, CA 94305
Santa Clara County (650) 723-6661
ANDREW CHARLES PICEL M.D
Radiology (Vascular & Interventional Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
MATTHEW A WRIGHT M.D. PH.D.
Psychiatry & Neurology (Psychiatry)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
DR. QUAZI ZUBAIR AL-TARIQ M.D.
Radiology (Diagnostic Radiology)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
ANGIE DEE MURKINS NP
Nurse Practitioner
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
DR. JAMSHID GHAJAR MD PHD
Neurological Surgery
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000
SARA BAKHTARY M.D.
Pathology (Anatomic Pathology & Clinical Pathology)
300 PASTEUR DR, LANE 235
STANFORD, CA 94305
Santa Clara County (650) 723-5252
YU KUANG LAI MD
Internal Medicine (Critical Care Medicine)
300 PASTEUR DR
STANFORD, CA 94305
Santa Clara County (650) 723-4000

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 Jorge Zaldivar Diaz's NPI number?

The NPI number for Jorge Zaldivar Diaz is 1891439774. It was assigned to this individual provider in the NPPES registry on April 26, 2022.

Where is Jorge Zaldivar Diaz located?

Jorge Zaldivar Diaz practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-8561.

What is Jorge Zaldivar Diaz's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

Is Jorge Zaldivar Diaz enrolled in Medicare?

Yes. Jorge Zaldivar Diaz is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jorge Zaldivar Diaz was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 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.