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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WESTLAKE DERMATOLOGY, PA
NPI 1437617255
Dermatology in Houston, TX

Active since March 11, 2019CLIA Certified · 2 labs
2132 BISSONNET ST, HOUSTON, TX 77005(512) 615-2738(281) 205-3503 Get Directions Write a Review

NPPES record last updated: September 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 23, 2026, Mar 11, 2019 (2 updates tracked since 2019).

About Westlake Dermatology, Pa NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WESTLAKE DERMATOLOGY, PA (NPI 1437617255) is a healthcare organization registered as a dermatology in Houston, Texas and active in the NPI registry since March 2019. The organization holds 2 active CLIA laboratory certificates, maintains a secondary practice location in Houston, and lists Gregory A. Nikolaidis, Owner, as its authorized official.

NPPES Registry Identity

NPI1437617255
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameWESTLAKE DERMATOLOGY, PA
Location Address2132 BISSONNET STHouston, TX 77005-1508
Mailing Address8825 Bee Caves Rd Ste 100Austin, TX 78746-4721 · (512) 328-3376 · Fax (512) 666-3767
Phone(512) 615-2738
Fax(281) 205-3503
Organization SubpartNo
Authorized OfficialGregory A. NikolaidisOwner · (512) 328-3376
Enumeration DateMarch 11, 2019
Last NPPES UpdateSeptember 23, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 23, 2026
✔ NPI 1437617255 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
Definition
A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
Also ListedPlastic SurgeryTaxonomy 208200000X
2132 BISSONNET ST, Houston, TX 77005
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Secondary Practice Location 1

Location 13636 Westheimer RdHouston, TX 77027-5339 · Phone (832) 924-3300 · Fax (832) 415-3051

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Westlake Dermatology, Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

54

Medicare enrollment records show 54 clinicians reassign Medicare billing to Westlake Dermatology, PA, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 4 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Dermatology44
Plastic and Reconstructive Surgery4
Nurse Practitioner2
Pathology2
Micrographic Dermatologic Surgery (MDS)1
Otolaryngology1

Nearest to this location (20)

See all 54
Keemberly Kim, MD
Dermatology
NPI 1215497797
2132 BISSONNET ST STE 200
Houston, TX 77005
(281) 203-0600
✔ PECOS✔ Accepts MedicareSame address
Michael Streitmann, M.D.
Plastic and Reconstructive Surgery
NPI 1386624450
2132 BISSONET ST SUITE 200
Houston, TX 77005
(281) 203-0600
✔ PECOS✔ Accepts MedicareSame address
Neil Farnsworth, M.D.
Dermatology
NPI 1134319411
2132 BISSONNET ST STE 200
Houston, TX 77005
(281) 203-0600
✔ PECOS✔ Accepts MedicareSame address
Madeleine Gantz, MD
Dermatology
NPI 1821526674
1900 SAINT JAMES PL STE 600
Houston, TX 77056
(713) 850-0240
✔ PECOS✔ Accepts Medicare4.1 mi
Timothy Tran
Dermatology
NPI 1467074542
301 UNIVERSITY BLVD
Galveston, TX 77555
(409) 772-2650
✔ PECOS✔ Accepts Medicare48 mi
Maria Leszczynska, MD
Dermatology
NPI 1518499581
1301 BARBARA JORDAN BLVD STE 301
Austin, TX 78723
(512) 628-1800
✔ PECOS✔ Accepts Medicare143 mi
Matthew Lacour, MD
Dermatology
NPI 1629538632
327 E CESAR CHAVEZ ST
Austin, TX 78701
(512) 615-3280
✔ PECOS✔ Accepts Medicare145 mi
Minas Constantinides, M.D.
Otolaryngology
NPI 1194823096
3800 N LAMAR BLVD STE 155
Austin, TX 78756
(512) 617-9200
✔ PECOS✔ Accepts Medicare145 mi
Ali Shahbaz, MD
Dermatology
NPI 1336870138
3800 N LAMAR BLVD STE 155
Austin, TX 78756
(512) 617-9200
✔ PECOS✔ Accepts Medicare145 mi
Christa Tomc, D.O.
Dermatology
NPI 1184980294
3800 N LAMAR BLVD STE 155
Austin, TX 78756
(512) 617-9200
✔ PECOS✔ Accepts Medicare145 mi
Helyn Alvarez, MD
Dermatology
NPI 1770945719
12319 N MOPAC EXPY STE 100
Austin, TX 78758
(512) 837-3376
✔ PECOS✔ Accepts Medicare145 mi
Miriam Hanson, M.D.
Dermatology
NPI 1619047339
12319 N MOPAC EXPY BLDG. C, STE. 100
Austin, TX 78758
(512) 837-3376
✔ PECOS✔ Accepts Medicare145 mi
Jessica Dietert, M.D.
Micrographic Dermatologic Surgery (MDS)
NPI 1548605769
2201 ONION CREEK PKWY
Austin, TX 78747
(512) 649-3376
✔ PECOS✔ Accepts Medicare146 mi
Timothy Mcgee, M.D.
Plastic and Reconstructive Surgery
NPI 1720063480
1760 ROUND ROCK AVE
Round Rock, TX 78681
(512) 583-3376
✔ PECOS148 mi
Alexa Fedele, NP
Nurse Practitioner
NPI 1205799962
8825 BEE CAVES RD
Austin, TX 78746
(512) 328-3376
✔ PECOS✔ Accepts Medicare153 mi
Maria Bloomquist, MD
Pathology
NPI 1841797446
8825 BEE CAVES RD STE 100
Austin, TX 78746
(512) 328-3376
✔ PECOS✔ Accepts Medicare153 mi
Cameron Craven, M.D.
Plastic and Reconstructive Surgery
NPI 1235336488
8825 BEE CAVES RD STE 100
Austin, TX 78746
(512) 328-3376
✔ PECOS153 mi
David Wang, M.D.
Pathology
NPI 1386987840
8825 BEE CAVES RD STE 100
Austin, TX 78746
(512) 328-3376
✔ PECOS✔ Accepts Medicare153 mi
Miriam Gonzalez, NP
Nurse Practitioner
NPI 1639975915
200 N LAKELINE BLVD STE A
Cedar Park, TX 78613
(512) 617-3000
✔ PECOS155 mi
Jonathan Nathan, M.D.
Plastic and Reconstructive Surgery
NPI 1134449374
3900 JUNIUS ST STE 605
Dallas, TX 75246
(214) 814-1711
✔ PECOS✔ Accepts Medicare226 mi
See all 54 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 2

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 45D2186046

Westlake Dermatology-West University · Houston, TX
Active · expires Apr 3, 2027
CLIA Number45D2186046
Laboratory TypePhysician Office
Certificate Effective DateApril 4, 2025
Certificate Expiration DateApril 3, 2027
Laboratory DirectorJeffrey N. Li
Laboratory Phone(281) 203-0600
Laboratory LocationWestlake Dermatology-West University2132 Bissonnet St Suite 200, Houston, TX 77005
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Certificate of Compliance 45D1037562

Westlake Dermatology And Cosmetic Surgery · Austin, TX
Active · expires Dec 11, 2027
CLIA Number45D1037562
Laboratory TypeIndependent
Certificate Effective DateDecember 12, 2025
Certificate Expiration DateDecember 11, 2027
Laboratory DirectorPeggy Chern
Laboratory Phone(512) 328-3376
Laboratory LocationWestlake Dermatology And Cosmetic Surgery8825 Bee Caves Road 2nd Floor, Austin, TX 78746
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Westlake Dermatology, PA's NPI number?

The NPI number for Westlake Dermatology, PA is 1437617255. It was assigned to this organization in the NPPES registry on March 11, 2019.

Where is Westlake Dermatology, PA located?

Westlake Dermatology, PA is located at 2132 Bissonnet St, Houston, TX 77005. The listed phone number is (512) 615-2738.

What is Westlake Dermatology, PA's specialty?

The primary specialty registered for this NPI is Dermatology with taxonomy code 207N00000X.

Is Westlake Dermatology, PA enrolled in Medicare?

Yes. Westlake Dermatology, PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Westlake Dermatology, PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 54 clinicians in 6 Medicare specialties reassign their Medicare billing to Westlake Dermatology, PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Dermatology (44), Plastic and Reconstructive Surgery (4) and Nurse Practitioner (2). Of these, 3 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Westlake Dermatology, PA hold CLIA laboratory certificates?

Yes. 2 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Westlake Dermatology, PA was last updated on September 23, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 33 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.