YAN ZHANG, MD
NPI 1124496617
Clinic/Center in Ontario, CA

Q: What is Yan Zhang, MD's NPI number?

The NPI number for Yan Zhang, MD is 1124496617. It was assigned to this organization in the NPPES registry on September 14, 2015.

Q: What is Yan Zhang, MD's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Yan Zhang, MD was last updated on September 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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 September 14, 2015

653 E E ST STE 107, ONTARIO, CA 91764(909) 270-1830(888) 523-5237 Get Directions Write a Review

NPPES record last updated: September 14, 2015. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Yan Zhang, Md NPPES

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

YAN ZHANG, MD (NPI 1124496617) is a healthcare organization registered as a clinic/center in Ontario, California and active in the NPI registry since September 2015. The organization lists Yan Zhang, Md, as its authorized official.

NPPES Registry Identity

NPI1124496617

Entity TypeOrganization

Primary Taxonomy261Q00000X

Legal Business NameYAN ZHANG, MD

Location Address653 E E ST STE 107Ontario, CA 91764-4257

Mailing Address653 E E St Ste 107Ontario, CA 91764-4257 · (909) 270-1830 · Fax (888) 523-5237

Phone(909) 270-1830

Fax(888) 523-5237

Organization SubpartNo

Authorized OfficialYan ZhangMd · (909) 270-1830

Enumeration DateSeptember 14, 2015

✔ NPI 1124496617 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/CenterAmbulatory Health Care Facilities

Taxonomy Code261Q00000X

License✔ Licensed in CA · A120484

Definition

A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).

653 E E ST STE 107, Ontario, CA 91764

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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.

DR. YAN ZHANG MD

Internal Medicine

653 E E ST STE 107
ONTARIO, CA 91764

San Bernardino County (626) 991-0668

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 Yan Zhang, MD's NPI number?

The NPI number for Yan Zhang, MD is 1124496617. It was assigned to this organization in the NPPES registry on September 14, 2015.

Where is Yan Zhang, MD located?

Yan Zhang, MD is located at 653 E E St Ste 107, Ontario, CA 91764. The listed phone number is (909) 270-1830.

What is Yan Zhang, MD's specialty?

The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.

When was this NPI record last updated?

The NPPES record for Yan Zhang, MD was last updated on September 14, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years 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.