SKIN CANCER DERMATOLOGY, PLLC
NPI 1649800848
Dermatology - MOHS-Micrographic Surgery in San Antonio, TX

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

The NPI number for Skin Cancer Dermatology, PLLC is 1649800848. It was assigned to this organization in the NPPES registry on January 16, 2020.

Q: What is Skin Cancer Dermatology, PLLC's specialty?

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

Active since January 16, 2020CLIA 45D2258975 · Certificate of Compliance

7979 BROADWAY STE 202, SAN ANTONIO, TX 78209(210) 601-6502(210) 908-9666 Get Directions Write a Review

NPPES record last updated: November 3, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 3, 2023, Aug 25, 2023, Jan 16, 2020 (3 updates tracked since 2020).

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About Skin Cancer Dermatology, Pllc NPPES

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

SKIN CANCER DERMATOLOGY, PLLC (NPI 1649800848) is a healthcare organization registered as a mohs-micrographic surgery in San Antonio, Texas and active in the NPI registry since January 2020. The organization holds a CLIA Certificate of Compliance certificate valid through January 25, 2027 and lists Calvin L Day, Medical Doctor, as its authorized official.

NPPES Registry Identity

NPI1649800848

Entity TypeOrganization

Primary Taxonomy207ND0101X

Legal Business NameSKIN CANCER DERMATOLOGY, PLLC

Location Address7979 BROADWAY STE 202San Antonio, TX 78209-2657

Mailing Address7979 Broadway Ste 202San Antonio, TX 78209-2657 · (210) 601-6502 · Fax (210) 908-9666

Phone(210) 601-6502

Fax(210) 908-9666

Organization SubpartNo

Authorized OfficialCalvin L DayMedical Doctor · (210) 601-6502

Enumeration DateJanuary 16, 2020

Last NPPES UpdateNovember 3, 20233 updates tracked since enumeration

NPPES CertifiedNovember 3, 2023

✔ NPI 1649800848 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.

7979 BROADWAY STE 202, San Antonio, TX 78209

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Other Identifiers 2

Other1831379692Npi

Other45D2258975TX · Clia

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 Blue Cross and Blue Shield of Texas.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)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Skin Cancer Dermatology, PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Calvin Day, M.D.

Dermatology

NPI 1831379692

7979 BROADWAY STE 202
San Antonio, TX 78209

(210) 601-6502

✔ PECOS✔ Accepts MedicareSame address

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 45D2258975

Skin Cancer Dermatology PLLC · San Antonio, TX

Active · expires Jan 25, 2027

CLIA Number45D2258975

Laboratory TypePhysician Office

Certificate Effective DateJanuary 26, 2025

Certificate Expiration DateJanuary 25, 2027

Laboratory DirectorCalvin L. Day Jr

Laboratory Phone(210) 859-3430

Laboratory LocationSkin Cancer Dermatology PLLC7979 Broadway, Suite 202, San Antonio, TX 78209

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.

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 Skin Cancer Dermatology, PLLC's NPI number?

The NPI number for Skin Cancer Dermatology, PLLC is 1649800848. It was assigned to this organization in the NPPES registry on January 16, 2020.

Where is Skin Cancer Dermatology, PLLC located?

Skin Cancer Dermatology, PLLC is located at 7979 Broadway Ste 202, San Antonio, TX 78209. The listed phone number is (210) 601-6502.

What is Skin Cancer Dermatology, PLLC's specialty?

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

Is Skin Cancer Dermatology, PLLC enrolled in Medicare?

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

How many clinicians bill Medicare through Skin Cancer Dermatology, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Dermatology) reassigns their Medicare billing to Skin Cancer Dermatology, PLLC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Skin Cancer Dermatology, PLLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 45D2258975) is associated with this NPI, valid through January 25, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Skin Cancer Dermatology, PLLC accept?

Health plans from Blue Cross and Blue Shield of Texas list Skin Cancer 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 Skin Cancer Dermatology, PLLC was last updated on November 3, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.