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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.

MICHAEL SONABEND M.D., P.A.
NPI 1952642738
Dermatology in Houston, TX

Active since March 04, 2013CLIA Certified · 4 labs
4500 WASHINGTON AVE STE 250, HOUSTON, TX 77007(281) 857-6870 Get Directions Write a Review

NPPES record last updated: September 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 9, 2026, Jan 18, 2021, Apr 7, 2020 and 1 more (4 updates tracked since 2019).

About Michael Sonabend M.d., P.a. NPPES

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

MICHAEL SONABEND M.D., P.A. (NPI 1952642738), doing business as Complete Dermatology, is a healthcare organization registered as a dermatology in Houston, Texas and active in the NPI registry since March 2013. The organization holds 4 active CLIA laboratory certificates, maintains 4 additional practice locations, and lists Michael L Sonabend, Owner, as its authorized official.

NPPES Registry Identity

NPI1952642738
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameMICHAEL SONABEND M.D., P.A.
Location Address4500 WASHINGTON AVE STE 250Houston, TX 77007-5477
Mailing Address7616 Branford Pl Ste 240Sugar Land, TX 77479-3794 · (281) 240-4313 · Fax (281) 240-3646
Phone(281) 857-6870
Organization SubpartNo
Authorized OfficialMichael L SonabendOwner · (281) 240-4313
Enumeration DateMarch 4, 2013
Last NPPES UpdateSeptember 9, 20264 updates tracked since enumeration
NPPES CertifiedSeptember 9, 2026
✔ NPI 1952642738 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in TX · M5515
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.
4500 WASHINGTON AVE STE 250, Houston, TX 77007
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Other Names 1

Doing Business AsComplete Dermatology

Secondary Practice Locations 4

Location 124200 Via Mazzini Way Ste 130Richmond, TX 77406-3439 · Phone (281) 240-4313
Location 27616 Bradford Place, Ste 240Sugar Land, TX 77479 · Phone (281) 240-4313
Location 3134 Vision Park Blvd Ste 200Shenandoah, TX 77384-3032 · Phone (281) 573-8333
Location 4508 Medical Center Blvd Ste 380Conroe, TX 77304-2954 · Phone (281) 573-8333

Other Identifiers 1

OtherM5515TX · Texas License

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Michael Sonabend M.d., P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

28

Medicare enrollment records show 28 clinicians reassign Medicare billing to Michael Sonabend M.D., P.A., which bills Medicare for the services they deliver. Of these, 4 practice at this address and 6 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 4

Dermatology24
Nurse Practitioner2
Micrographic Dermatologic Surgery (MDS)1
Pathology1

Nearest to this location (20)

See all 28
Andrew Armenta, MD
Dermatology
NPI 1932764263
4500 WASHINGTON AVE STE 250
Houston, TX 77007
(281) 857-6870
✔ PECOS✔ Accepts MedicareSame address
Katherine Diliberto, NP
Nurse Practitioner
NPI 1790447621
4500 WASHINGTON AVE STE 250
Houston, TX 77007
(281) 857-6870
✔ PECOS✔ Accepts MedicareSame address
Helena Patten, M.D.
Dermatology
NPI 1073049599
4500 WASHINGTON AVE STE 250
Houston, TX 77007
(281) 857-6870
✔ PECOS✔ Accepts MedicareSame address
Jay Patel, MD
Dermatology
NPI 1386386845
4500 WASHINGTON AVE STE 250
Houston, TX 77007
(281) 857-6870
✔ PECOS✔ Accepts MedicareSame address
Michael Sedrak, MD
Pathology
NPI 1043539687
4550 POST OAK PLACE DR STE 340
Houston, TX 77027
(877) 850-6009
✔ PECOS✔ Accepts Medicare3.0 mi
Georganna Davis, MD
Dermatology
NPI 1205059342
6560 FANNIN SUITE 724
Houston, TX 77030
(713) 790-0058
✔ PECOS✔ Accepts Medicare4.1 mi
Julie Brantley, MD
Dermatology
NPI 1952505547
2225 WILLIAMS TRACE BLVD #112
Sugar Land, TX 77478
(281) 313-0006
✔ PECOS✔ Accepts Medicare17 mi
Payal Dixit, D.O.
Dermatology
NPI 1457646549
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Maura Holcomb, M.D.
Dermatology
NPI 1013276237
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Elise Weisert
Dermatology
NPI 1336727585
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Bartley Gill, M.D., PH.D.
Dermatology
NPI 1346669066
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Jennifer Hau, M.D.
Micrographic Dermatologic Surgery (MDS)
NPI 1740535707
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS19 mi
Bryan Hiscox, M.D.
Dermatology
NPI 1093072571
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Vandana Madkan, MD
Dermatology
NPI 1659691772
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Jennifer Maender, M.D.
Dermatology
NPI 1962524371
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Nga Nguyen, FNP-BC
Nurse Practitioner
NPI 1376705202
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Megan Schlichte, M.D.
Dermatology
NPI 1750760476
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Michael Sonabend, MD
Dermatology
NPI 1578696936
7616 BRANFORD PL STE 240
Sugar Land, TX 77479
(281) 240-4313
✔ PECOS✔ Accepts Medicare19 mi
Rod Mahmoudizad, M.D.
Dermatology
NPI 1992084735
21800 KATY FWY STE 200
Katy, TX 77449
(713) 771-1100
✔ PECOS✔ Accepts Medicare20 mi
Stephanie Florez-Pollack, MD
Dermatology
NPI 1023571916
24200 VIA MAZZINI WAY STE 130
Richmond, TX 77406
(281) 240-4313
✔ PECOS✔ Accepts Medicare25 mi
See all 28 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 4

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 45D2156591

Complete Dermatology · Houston, TX
Active · expires Nov 7, 2026
CLIA Number45D2156591
Laboratory TypePhysician Office
Certificate Effective DateNovember 8, 2024
Certificate Expiration DateNovember 7, 2026
Laboratory DirectorGeorganna Davis MD
Laboratory Phone(281) 857-6870
Laboratory LocationComplete Dermatology4500 Washington Avenue, Ste 250, Houston, TX 77007
CLIA data matches this NPI record on: Address 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.

Certificate of Compliance 45D2339857

Complete Dermatology · The Woodlands, TX
Active · expires Mar 8, 2028
CLIA Number45D2339857
Laboratory TypePhysician Office
Certificate Effective DateMarch 9, 2026
Certificate Expiration DateMarch 8, 2028
Laboratory DirectorDr. Amy Bumgardner
Laboratory Phone(281) 573-8333
Laboratory LocationComplete Dermatology134 Vision Park Blvd Ste 200, The Woodlands, TX 77384
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.

Certificate of Compliance 45D2141565

Complete Dermatology · Conroe, TX
Active · expires Nov 3, 2027
CLIA Number45D2141565
Laboratory TypePhysician Office
Certificate Effective DateNovember 4, 2025
Certificate Expiration DateNovember 3, 2027
Laboratory DirectorAmy Bumgardner
Laboratory Phone(281) 573-8333
Laboratory LocationComplete Dermatology508 Medical Center Blvd #380, Conroe, TX 77304
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.

Certificate of Waiver 45D2160301

Complete Dermatology · Conroe, TX
Active · expires Jan 7, 2027
CLIA Number45D2160301
Laboratory TypePhysician Office
Certificate Effective DateJanuary 8, 2025
Certificate Expiration DateJanuary 7, 2027
Laboratory DirectorAmy C. Bumgardner
Laboratory Phone(281) 573-8333
Laboratory LocationComplete Dermatology17191 St Luke's Way #210, Conroe, TX 77384
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

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 Michael Sonabend M.D., P.A.'s NPI number?

The NPI number for Michael Sonabend M.D., P.A. is 1952642738. It was assigned to this organization in the NPPES registry on March 4, 2013. The provider is doing business as Complete Dermatology.

Where is Michael Sonabend M.D., P.A. located?

Michael Sonabend M.D., P.A. is located at 4500 Washington Ave Ste 250, Houston, TX 77007. The listed phone number is (281) 857-6870.

What is Michael Sonabend M.D., P.A.'s specialty?

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

Is Michael Sonabend M.D., P.A. enrolled in Medicare?

Yes. Michael Sonabend M.D., P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Michael Sonabend M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 28 clinicians in 4 Medicare specialties reassign their Medicare billing to Michael Sonabend M.D., P.A.. 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 (24), Nurse Practitioner (2) and Micrographic Dermatologic Surgery (MDS) (1). Of these, 4 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Michael Sonabend M.D., P.A. hold CLIA laboratory certificates?

Yes. 4 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 Michael Sonabend M.D., P.A. was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.