Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

East Valley Pathology Medical Group

Anatomic Pathology & Clinical Pathology Physician in Glendora, CA · enumerated 2006 · authorized official Tony Hsieh, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1831150127

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Registry record

Entity type Organization (Type 2)

Legal business name East Valley Pathology Medical Group

Other name <Unavail>

Practice address 150 W Route 66, Glendora, CA, 91740

Phone (626) 852-6128

Enumeration date Mar 28, 2006

Last updated in NPPES Jul 2, 2008

Taxonomy & classification

207ZC0500X Cytopathology Physician Allopathic & Osteopathic Physicians Secondary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Tony Hsieh

Title President

Phone (626) 335-0231

Other identifiers

Identifier	Type	State	Issuer
00G627630	Medicaid	CA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What type of organization is East Valley Pathology Medical Group?

East Valley Pathology Medical Group is registered in NPPES as a Anatomic Pathology & Clinical Pathology Physician (its primary provider taxonomy).

What is a Type 2 NPI?

A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.

Providers at this address

Browse all →

East Valley Hospital Medical Center General Acute Care Hospital · Glendora, CA NPI 1003807991 Tony Hsieh Anatomic Pathology & Clinical Pathology Physician · Glendora, CA NPI 1114988763 Alfred Cook Emergency Medicine Physician · Glendora, CA NPI 1932166972 Lewis Coleman Anesthesiology Physician · Glendora, CA NPI 1811943665 East Valley Emergency Medical Associates, Inc. Emergency Medicine Physician · Glendora, CA NPI 1720022270 Intervalley Anesthesia Medical Corporation Anesthesiology Physician · Glendora, CA NPI 1801804208 Primero Anesthesia Services Medical Corporation Anesthesiology Physician · Glendora, CA NPI 1336157411 William C. Chu, MD, Incorporated Diagnostic Radiology Physician · Glendora, CA NPI 1639259377

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-07-02.