Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Physicians Network Services Medical Group, Inc.

Optometrist in Placentia, CA · enumerated 2007 · authorized official William Tabb, Ceo.

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

National Provider Identifier

1851586523

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Registry record

Entity type Organization (Type 2)

Legal business name Physicians Network Services Medical Group, Inc.

Practice address 377 E Chapman Ave Ste 240, Placentia, CA, 92870

Phone (714) 572-2039

Enumeration date Sep 6, 2007

Last updated in NPPES May 9, 2008

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers Primary

Authorized official

Name William Tabb

Title Ceo

Phone (714) 572-2039

Other identifiers

Identifier	Type	State	Issuer
CJ8168	Other	CA	RAILROAD MEDICARE
GSD003040	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 Physicians Network Services Medical Group, Inc.?

Physicians Network Services Medical Group, Inc. is registered in NPPES as a Optometrist (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.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-09.