Active NPI
Westlake Dermatology PA
Doing business as Westlake Dermatology
- Dermatology Physician
- Round Rock, TX
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Dermatology Physician
- Legal business name
- WESTLAKE DERMATOLOGY PA
- Doing business as
- Westlake Dermatology
- Practice address
- 1760 Round Rock Ave
Round Rock, TX 78681-4217 - Phone
- (512) 583-3376
- Fax
- (512) 306-0222
- NPI assigned
- Mar 21, 2007
- 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
- Dr. Gregory Nikolaidis, MD
- Title
- President
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Dermatology Physician | 207N00000X | TX | Primary | |
| Dermatopathology Physician | 207ND0900X | TX |
Addresses
Primary practice location
1760 Round Rock Ave
Round Rock, TX 78681-4217
Mailing address
8825 Bee Caves Rd Ste 100
Austin, TX 78746-4721
Phone (512) 328-3376
Other identifiers 2
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00591T | Other | TX | BCBS OF TEXAS GROUP# |
| 211724401 | Medicaid | TX |
Other names 1
- Westlake Dermatology
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
National Provider Directory
National Provider DirectoryLocations
3800 N Lamar Blvd
Ste 155
Austin, TX 78756
Phone (512) 617-9200
2201 Onion Creek Pkwy
Austin, TX 78747
Phone (512) 649-3376
200 N Lakeline Blvd
Cedar Park, TX 78613
3636 Westheimer Rd
Houston, TX 77027
Phone (832) 924-3300
800 S US Highway 281
Marble Falls, TX 78654
Phone (830) 693-4800
Practitioners & affiliated clinicians
Practitioners 22
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
-
- Dermatology Physician
- Austin, TX
- NPI 1770945719
-
- Dermatology Physician
- Austin, TX
- NPI 1578684056
-
- Anatomic Pathology & Clinical Pathology Physician
- Austin, TX
- NPI 1841797446
-
- Physician Assistant
- San Antonio, TX
- NPI 1922637586
-
- Dermatology Physician
- Austin, TX
- NPI 1982716783
-
- Dermatology Physician
- Austin, TX
- NPI 1073748281
-
- Dermatology Physician
- Austin, TX
- NPI 1982863510
-
- Dermatology Physician
- Austin, TX
- NPI 1972130581
-
- Dermatology Physician
- Lakeway, TX
- NPI 1710373105
-
- Dermatology Physician
- Austin, TX
- NPI 1891324448
-
- Dermatology Physician
- Austin, TX
- NPI 1336870138
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1174435200000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1790121600000",
"number": "1477678993",
"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"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1760 ROUND ROCK AVE",
"city": "ROUND ROCK",
"state": "TX",
"postal_code": "786814217",
"telephone_number": "512-583-3376",
"fax_number": "512-306-0222"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "WESTLAKE DERMATOLOGY PA",
"organizational_subpart": "NO",
"enumeration_date": "2007-03-21",
"last_updated": "2026-09-23",
"certification_date": "2026-09-23",
"status": "A",
"authorized_official_last_name": "NIKOLAIDIS",
"authorized_official_first_name": "GREGORY",
"authorized_official_title_or_position": "PRESIDENT",
"authorized_official_telephone_number": "512-328-3376",
"authorized_official_name_prefix": "Dr.",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207N00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Dermatology",
"state": "TX",
"license": null,
"primary": true
},
{
"code": "207ND0900X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Dermatology, Dermatopathology",
"state": "TX",
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBS OF TEXAS GROUP#",
"identifier": "00591T",
"state": "TX"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "211724401",
"state": "TX"
}
],
"endpoints": [],
"other_names": [
{
"organization_name": "Westlake Dermatology",
"code": "3",
"type": "Doing Business As"
}
]
}
Other providers in Round Rock, 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.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.