LONGHORN DERMATOLOGY, PLLC
NPI 1831792449
Dermatology - MOHS-Micrographic Surgery in Spicewood, TX

Q: What is Longhorn Dermatology, PLLC's NPI number?

The NPI number for Longhorn Dermatology, PLLC is 1831792449. It was assigned to this organization in the NPPES registry on November 17, 2020.

Q: What is Longhorn Dermatology, PLLC's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Active since November 17, 2020CLIA 45D2218596 · Certificate of Compliance

4900 BEE CREEK RD # 101, SPICEWOOD, TX 78669(512) 961-5250(512) 961-5014 Get Directions Write a Review

NPPES record last updated: January 28, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jan 28, 2023, Mar 15, 2021, Nov 17, 2020 (3 updates tracked since 2020).

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About Longhorn Dermatology, Pllc NPPES

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

LONGHORN DERMATOLOGY, PLLC (NPI 1831792449) is a healthcare organization registered as a mohs-micrographic surgery in Spicewood, Texas and active in the NPI registry since November 2020. The organization holds a CLIA Certificate of Compliance certificate valid through May 15, 2028 and lists Brian L Ransdell, Ceo President, as its authorized official.

NPPES Registry Identity

NPI1831792449

Entity TypeOrganization

Primary Taxonomy207ND0101X

Legal Business NameLONGHORN DERMATOLOGY, PLLC

Location Address4900 BEE CREEK RD # 101Spicewood, TX 78669-6776

Mailing Address4900 Bee Creek Rd # 101Spicewood, TX 78669-6776 · (512) 961-5250 · Fax (512) 961-5014

Phone(512) 961-5250

Fax(512) 961-5014

Organization SubpartNo

Authorized OfficialBrian L RansdellCeo President · (512) 961-5250

Enumeration DateNovember 17, 2020

Last NPPES UpdateJanuary 28, 20233 updates tracked since enumeration

NPPES CertifiedJanuary 28, 2023

✔ NPI 1831792449 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatology · MOHS-Micrographic SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code207ND0101X

Definition

The highly-trained surgeons that perform Mohs Micrographic Surgery are specialists both in dermatology and pathology. With their extensive knowledge of the skin and unique pathological skills, they are able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery. Mohs surgeons who belong to the American College of Mohs Surgery (ACMS) have completed a minimum of one year of fellowship training at one of the ACMS-approved training centers in the U.S.

4900 BEE CREEK RD # 101, Spicewood, TX 78669

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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

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harbor Health, Moda Health Plan, Inc..Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 4 clinicians reassign Medicare billing to Longhorn Dermatology, PLLC, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (4)

Brian Ransdell, MD

Dermatology

NPI 1144361809

4900 BEE CREEK RD STE 101
Spicewood, TX 78669

(512) 961-5250

✔ PECOS✔ Accepts MedicareSame address

Chelsey Straight, MD

Micrographic Dermatologic Surgery (MDS)

NPI 1699161174

8701 W HIGHWAY 71 STE 101
Austin, TX 78735

(512) 766-2610

✔ PECOS✔ Accepts Medicare9.9 mi

Megan Trainor, M.D.

Micrographic Dermatologic Surgery (MDS)

NPI 1245686609

8240 N MOPAC EXPY STE 355
Austin, TX 78759

(512) 527-9020

✔ PECOS✔ Accepts Medicare17 mi

Quoc-Bao Nguyen, MD

Dermatology

NPI 1962931766

2700 W ANDERSON LN STE 403
Austin, TX 78757

(512) 786-3498

✔ PECOS✔ Accepts Medicare18 mi

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

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 45D2218596

Longhorn Dermatology · Spicewood, TX

Active · expires May 15, 2028

CLIA Number45D2218596

Laboratory TypePhysician Office

Certificate Effective DateMay 16, 2026

Certificate Expiration DateMay 15, 2028

Laboratory DirectorBrian L. Ransdell

Laboratory Phone(512) 961-5250

Laboratory LocationLonghorn Dermatology4900 Bee Creek Rd #101, Spicewood, TX 78669

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 Longhorn Dermatology, PLLC's NPI number?

The NPI number for Longhorn Dermatology, PLLC is 1831792449. It was assigned to this organization in the NPPES registry on November 17, 2020.

Where is Longhorn Dermatology, PLLC located?

Longhorn Dermatology, PLLC is located at 4900 Bee Creek Rd # 101, Spicewood, TX 78669. The listed phone number is (512) 961-5250.

What is Longhorn Dermatology, PLLC's specialty?

The primary specialty registered for this NPI is Dermatology, specializing in MOHS-Micrographic Surgery, with taxonomy code 207ND0101X.

Is Longhorn Dermatology, PLLC enrolled in Medicare?

Yes. Longhorn Dermatology, PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Longhorn Dermatology, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Longhorn Dermatology, PLLC, in Dermatology and Micrographic Dermatologic Surgery (MDS). 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Longhorn Dermatology, PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 45D2218596) is associated with this NPI, valid through May 15, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Longhorn Dermatology, PLLC accept?

Health plans from Harbor Health and Moda Health Plan, Inc. list Longhorn Dermatology, PLLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Longhorn Dermatology, PLLC was last updated on January 28, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.