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ONN T. CHAN, M.D.
NPI 1902094550
General Practice in Glendora, CA

Active since October 09, 2007
1135 E ROUTE 66 STE 106, GLENDORA, CA 91740(626) 335-0588(626) 852-1526 Get Directions Write a Review

NPPES record last updated: October 25, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Onn T. Chan, M.d. NPPES

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

ONN T. CHAN, M.D. (NPI 1902094550) is a healthcare organization registered as a general practice in Glendora, California and active in the NPI registry since October 2007. The organization lists Onn T. Chan, President/owner, as its authorized official.

NPPES Registry Identity

NPI1902094550
Entity TypeOrganization
Primary Taxonomy208D00000X
Legal Business NameONN T. CHAN M.D., INC.
Location Address1135 E ROUTE 66 STE 106Glendora, CA 91740-3769
Mailing Address1135 E Route 66 Ste 106Glendora, CA 91740-3769 · (626) 335-0588 · Fax (626) 852-1526
Phone(626) 335-0588
Fax(626) 852-1526
Organization SubpartNo
Authorized OfficialOnn T. ChanPresident/owner · (626) 335-0588
Enumeration DateOctober 9, 2007
Last NPPES UpdateOctober 25, 2007
✔ NPI 1902094550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
1135 E ROUTE 66 STE 106, Glendora, CA 91740
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Other Names 1

Other NameOnn T. Chan, M.d.

Other Identifiers 2

Medicaid00A164110CA
Medicare PINW17351CA

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES

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

BRIAN KIRK DOTY DD. L.AC
Acupuncturist
1135 E ROUTE 66 STE 106
GLENDORA, CA 91740
Los Angeles County (626) 382-9715

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 Onn T. Chan M.D., Inc.'s NPI number?

The NPI number for Onn T. Chan M.D., Inc. is 1902094550. It was assigned to this organization in the NPPES registry on October 9, 2007. The provider is also known as Onn T. Chan, M.D..

Where is Onn T. Chan M.D., Inc. located?

Onn T. Chan M.D., Inc. is located at 1135 E Route 66 Ste 106, Glendora, CA 91740. The listed phone number is (626) 335-0588.

What is Onn T. Chan M.D., Inc.'s specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Onn T. Chan M.D., Inc. was last updated on October 25, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.