William R Alex MD Inc

William R Alex MD Inc is a healthcare organization registered as Surgery Physician in Riverside, CA, holding Type 2 (organization) NPI 1184735953 since 2006. The authorized official on file is William Alex, President.

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NPI	1184735953
Entity type	Organization (Type 2)
Legal business name	William R Alex MD Inc
Practice address	4000 14TH ST, STE 306, Riverside, CA, 92501
Phone	9516822036
Fax	9516822942
Enumeration date	2006-08-31
Last updated in NPPES	2010-03-19

Authorized official

Name	William Alex
Title	President
Phone	9097324148

Taxonomy & classification

Taxonomy code	Specialty	Primary	License	State
2086S0102X	Surgical Critical Care Physician	Secondary	G86010	CA
2086S0127X	Trauma Surgery Physician	Secondary	G86010	CA
208G00000X	Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician	Secondary	G86010	CA
208600000X	Surgery Physician	Primary	G86010	CA

Other identifiers

Identifier	Type	State	Issuer
00G860100	Medicaid	CA	—

Copy-ready billing details

Provider: William R Alex MD Inc
NPI: 1184735953
Taxonomy: 208600000X (Surgery Physician)
Address: 4000 14TH ST, STE 306, Riverside, CA, 92501

Providers at this address

NPI	Name	Type	Specialty	Location
1184620411	James Bartley	Individual	Clinical Genetics (M.D.) Physician	Riverside, CA
1154327773	Ashley Medical Group, Inc	Organization	Internal Medicine Physician	Riverside, CA
1316948110	Norman Snyder	Individual	Diagnostic Radiology Physician	Riverside, CA
1104818459	Riverside Imaging LLC	Organization	Radiology Clinic/Center	Riverside, CA
1164410494	Southern California Transplantation Institute	Organization	Specialist	Riverside, CA
1326014986	Trinh Tang	Individual	Internal Medicine Physician	Riverside, CA
1558300681	William Alex	Individual	Surgery Physician	Riverside, CA
1386687754	Donald Blackman	Individual	Internal Medicine Physician	Riverside, CA

Verify this record

Cross-check NPI 1184735953 against the authoritative CMS record: view William R Alex MD Inc on the official NPPES registry .

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 or validate an NPI number.

Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2010-03-19. Verify at npiregistry.cms.hhs.gov.

Where is William R Alex MD Inc located?

The practice location on file with NPPES is in Riverside, CA.

Source: CMS NPPES (public data). Snapshot 2026-07-11. Provider record last updated 2010-03-19.