Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

San Marcos Texas State Optical Pllc

Optometrist in San Marcos, TX · enumerated 2015 · authorized official Stephen Stanfield, Od/Owner.

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

National Provider Identifier

1306217880

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Registry record

Entity type Organization (Type 2)

Legal business name San Marcos Texas State Optical Pllc

Practice address 2406 Hunter Rd, Suite 102, San Marcos, TX, 78666

Phone (512) 754-6161

Fax (512) 754-6197

Enumeration date Oct 9, 2015

Last updated in NPPES Apr 1, 2016

Taxonomy & classification

152W00000X Optometrist Eye and Vision Services Providers Primary

Authorized official

Name Stephen Stanfield

Title Od/Owner

Phone (512) 754-6161

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 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.

What type of organization is San Marcos Texas State Optical Pllc?

San Marcos Texas State Optical Pllc is registered in NPPES as a Optometrist (its primary provider taxonomy).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-04-01.