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CASTLE HILLS DERMATOLOGY CLINIC
NPI 1013320258
Dermatology in San Antonio, TX

Active since June 05, 2014CLIA Certified · 3 labs
4118 MCCULLOUGH AVE STE 18, SAN ANTONIO, TX 78212(210) 901-9353(210) 227-4297 Get Directions Write a Review

NPPES record last updated: March 25, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Castle Hills Dermatology Clinic NPPES

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

CASTLE HILLS DERMATOLOGY CLINIC (NPI 1013320258) is a healthcare organization registered as a dermatology in San Antonio, Texas and active in the NPI registry since June 2014. The organization holds 3 active CLIA laboratory certificates, maintains 2 additional practice locations, and lists Christy Shaffer Rainey, President, as its authorized official.

NPPES Registry Identity

NPI1013320258
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameDOWNTOWN DERMATOLOGY PLLC
Location Address4118 MCCULLOUGH AVE STE 18San Antonio, TX 78212-1905
Mailing AddressPo Box 17348San Antonio, TX 78217-0348 · (210) 901-9353 · Fax (210) 227-4297
Phone(210) 901-9353
Fax(210) 227-4297
Organization SubpartNo
Authorized OfficialChristy Shaffer RaineyPresident · (210) 901-9353
Enumeration DateJune 5, 2014
Last NPPES UpdateMarch 25, 2022
NPPES CertifiedMarch 25, 2022
✔ NPI 1013320258 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License✔ Licensed in TX · M8331
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.
4118 MCCULLOUGH AVE STE 18, San Antonio, TX 78212
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Other Names 2

Doing Business AsCastle Hills Dermatology Clinic
Doing Business AsRfsa Dermatology

Secondary Practice Locations 2

Location 110603 West AveSan Antonio, TX 78213-1691 · Phone (210) 901-9353 · Fax (210) 227-4297
Location 2497 10th St Ste 203Floresville, TX 78114-3178 · Phone (210) 901-9353 · Fax (210) 227-4297

Other Identifiers 1

Medicaid339660801TX

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 Imperial Insurance Companies, Inc., Molina Healthcare, WellPoint.Insurance ›

CLIA Laboratory Certificates CMS CLIA 3

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 Waiver 45D2246248

Downtown Dermatology PLLC Dba Rfsa Dermatology · San Antonio, TX
Active · expires Dec 21, 2027
CLIA Number45D2246248
Laboratory TypePhysician Office
Certificate Effective DateDecember 22, 2025
Certificate Expiration DateDecember 21, 2027
Laboratory DirectorLindsey B. Finklea
Laboratory Phone(210) 901-9353
Laboratory LocationDowntown Dermatology PLLC Dba Rfsa Dermatology10603 West Ave, San Antonio, TX 78213
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2246201

Downtown Dermatology PLLC Dba Rfsa Dermatology · Floresville, TX
Active · expires Dec 20, 2027
CLIA Number45D2246201
Laboratory TypePhysician Office
Certificate Effective DateDecember 21, 2025
Certificate Expiration DateDecember 20, 2027
Laboratory DirectorChristy Rainey
Laboratory Phone(210) 901-9353
Laboratory LocationDowntown Dermatology PLLC Dba Rfsa Dermatology104 Turner Lane, Floresville, TX 78114
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 45D2124797

Downtown Dermatology PLLC · San Antonio, TX
Active · expires Jan 24, 2027
CLIA Number45D2124797
Laboratory TypePhysician Office
Certificate Effective DateJanuary 25, 2025
Certificate Expiration DateJanuary 24, 2027
Laboratory DirectorLindsey Finklea
Laboratory Phone(210) 901-9353
Laboratory LocationDowntown Dermatology PLLC4118 Mccullough St, Ste 18, San Antonio, TX 78212
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REGINA MARIE TENGLER FNP-C
Nurse Practitioner
4118 MCCULLOUGH AVE STE 18
SAN ANTONIO, TX 78212
Bexar County (210) 901-9353

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 Downtown Dermatology PLLC's NPI number?

The NPI number for Downtown Dermatology PLLC is 1013320258. It was assigned to this organization in the NPPES registry on June 5, 2014. The provider is doing business as Castle Hills Dermatology Clinic and RFSA Dermatology.

Where is Downtown Dermatology PLLC located?

Downtown Dermatology PLLC is located at 4118 Mccullough Ave Ste 18, San Antonio, TX 78212. The listed phone number is (210) 901-9353.

What is Downtown Dermatology PLLC's specialty?

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

Does Downtown Dermatology PLLC hold CLIA laboratory certificates?

Yes. 3 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.

What insurance does Downtown Dermatology PLLC accept?

Health plans from Imperial Insurance Companies, Inc., Molina Healthcare and WellPoint list Downtown 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 Downtown Dermatology PLLC was last updated on March 25, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.