Active NPI
Westlake Dermatology, PA
- Dermatology Physician
- Dallas, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dermatology Physician
- 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, 2026
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Gregory A. Nikolaidis, MD
- 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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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 ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| 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.
-
dba Westlake Dermatology
- Dermatology Physician
- Marble Falls, TX
- NPI 1154598779
O20040804000774
-
dba Westlake Dermatology
- Dermatology Physician
- Round Rock, TX
- NPI 1477678993
O20040804000774
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 45D2186037 | Westlake Dermatology & Cosmetic Surgery - Dallas | Certificate of waiver | Jun 11, 2028 |
National Provider Directory
National Provider Directory- Tax ID family
- Westlake Dermatology
Other organizations with this tax ID 3
Organizations that report the same tax identification number in the National Provider Directory.
-
- Dermatology Physician
- Alamo Heights, TX
- NPI 1265086045
-
- Dermatology Physician
- Houston, TX
- NPI 1437617255
-
- Dermatology Physician
- Lakeway, TX
- NPI 1891029476
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.
-
- Dermatology Physician
- Austin, TX
- NPI 1033181813
-
- Physician Assistant
- Dallas, TX
- NPI 1811549959
-
- Dermatology Physician
- Houston, TX
- NPI 1134319411
-
- Plastic Surgery Physician
- Dallas, TX
- NPI 1134449374
-
- Dermatology Physician
- Dallas, TX
- NPI 1578882247
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.