Organization Active NPI

Westlake Dermatology, PA

  • Dermatology Physician
  • Dallas, TX
National Provider Identifier
1326692468
Registry record updated Sep 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
Legal business name
WESTLAKE DERMATOLOGY, PA
Practice address
6565 Hillcrest Ave Ste 110
Dallas, TX 75205-1801
Phone
(972) 512-4800
Fax
(214) 484-9994
NPI assigned
Jul 26, 2019
Last updated
Sep 23, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 23, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Gregory A. Nikolaidis, MDNPI 1033181813
Title
Owner
Phone
(512) 328-3376

Authorized official NPPES reports the official by name only. The link goes to the one practitioner with that name whose NPPES practice address or phone number is this organization’s.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X Primary

Addresses

Primary practice location

6565 Hillcrest Ave Ste 110
Dallas, TX 75205-1801

Mailing address

8825 Bee Caves Rd Ste 100
Austin, TX 78746-4721
Phone (512) 328-3376

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TX

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20040804000774 TX Part B Supplier - Clinic/Group Practice 6305817230 Receives reassigned benefits from 65 practitioners
6 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: San Antonio, TX; Round Rock, TX; Marble Falls, TX; Lockhart, TX; Lakeway, TX; Houston, TX; Georgetown, TX; Dallas, TX…

Other NPIs on the same Medicare enrollment 6

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
45D2186037Westlake Dermatology & Cosmetic Surgery - Dallas6565 Hillcrest Ave Suite 110, Dallas, TX 75205Certificate of waiverJun 11, 2028

National Provider Directory

National Provider Directory
Tax ID family
Westlake Dermatology5 organizations share this tax ID, including this one

Other organizations with this tax ID 3

Organizations that report the same tax identification number in the National Provider Directory.

Locations

6565 Hillcrest Ave
Dallas, TX 75205
Phone (972) 512-4800

6565 Hillcrest Ave
Ste 110
Dallas, TX 75205
Phone (972) 512-4800

9301 N Central Expy
Ste 465
Dallas, TX 75231
Phone (214) 750-7200

Practitioners & affiliated clinicians

Practitioners 5

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1564099200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1790121600000",
    "number": "1326692468",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8825 BEE CAVES RD STE 100",
            "city": "AUSTIN",
            "state": "TX",
            "postal_code": "787464721",
            "telephone_number": "512-328-3376",
            "fax_number": "512-666-3767"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6565 HILLCREST AVE STE 110",
            "city": "DALLAS",
            "state": "TX",
            "postal_code": "752051801",
            "telephone_number": "972-512-4800",
            "fax_number": "214-484-9994"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WESTLAKE DERMATOLOGY, PA",
        "organizational_subpart": "NO",
        "enumeration_date": "2019-07-26",
        "last_updated": "2026-09-23",
        "certification_date": "2026-09-23",
        "status": "A",
        "authorized_official_last_name": "NIKOLAIDIS",
        "authorized_official_first_name": "GREGORY",
        "authorized_official_middle_name": "A.",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "512-328-3376",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Dallas, TX

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.