Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Westlake Dermatology of San Antonio Pllc

Dermatology Physician in Alamo Heights, TX · enumerated 2019 · authorized official Gregory Nikolaidis, President.

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

National Provider Identifier

1891346359

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Registry record

Entity type Organization (Type 2)

Legal business name Westlake Dermatology of San Antonio Pllc

Practice address 5500 Broadway Ave Ste R100, Alamo Heights, TX, 78209

Phone (210) 802-0085

Fax (210) 775-0082

Enumeration date Sep 26, 2019

Last updated in NPPES Sep 26, 2019

Taxonomy & classification

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Gregory Nikolaidis

Title President

Phone (512) 328-3376

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

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2019-09-26. Verify at npiregistry.cms.hhs.gov.

Where is Westlake Dermatology of San Antonio Pllc located?

The practice location on file with NPPES is in Alamo Heights, TX.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-09-26.