UNION SQUARE DERMATOLOGY A PROFESSIONAL CORPORATION
NPI 1023263613
Dermatology in San Francisco, CA

Active since November 24, 2008CLIA 05D1059083 · Certificate of Compliance
450 SUTTER ST, SUITE 830, SAN FRANCISCO, CA 94108(415) 393-0550(415) 393-9956 Get Directions Write a Review

NPPES record last updated: November 24, 2008. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Union Square Dermatology A Professional Corporation NPPES

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

UNION SQUARE DERMATOLOGY A PROFESSIONAL CORPORATION (NPI 1023263613) is a healthcare organization registered as a dermatology in San Francisco, California and active in the NPI registry since November 2008. The organization holds a CLIA Certificate of Compliance certificate valid through February 19, 2028 and lists Vail Charles Reese, Physician, as its authorized official.

NPPES Registry Identity

NPI1023263613
Entity TypeOrganization
Primary Taxonomy207N00000X
Legal Business NameUNION SQUARE DERMATOLOGY A PROFESSIONAL CORPORATION
Location Address450 SUTTER ST, SUITE 830San Francisco, CA 94108-3915
Mailing Address450 Sutter St, Suite 830San Francisco, CA 94108-3915 · (415) 393-0550 · Fax (415) 393-9956
Fax(415) 393-9956
Organization SubpartNo
Authorized OfficialVail Charles ReesePhysician · (415) 393-0550
Enumeration DateNovember 24, 2008
NPI 1023263613 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in CA · G 80000
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.
450 SUTTER ST, San Francisco, CA 94108

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

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 05D1059083

Union Square Dermatology A Professional Corp · San Francisco, CA
Active · expires Feb 19, 2028
CLIA Number05D1059083
Laboratory TypePhysician Office
Certificate Effective DateFebruary 20, 2026
Certificate Expiration DateFebruary 19, 2028
Laboratory DirectorVail C. Reese
Laboratory Phone(415) 393-9550
Laboratory LocationUnion Square Dermatology A Professional Corp450 Sutter St, Ste 830, San Francisco, CA 94108
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.

Other Providers at the Same Location NPPES 20

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

Specialist
450 SUTTER ST, #1003
SAN FRANCISCO, CA 94108
Dermatology
450 SUTTER ST, SUITE 1306
SAN FRANCISCO, CA 94108
Psychiatry & Neurology (Psychiatry)
450 SUTTER ST, SUITE 1728
SAN FRANCISCO, CA 94108
Psychiatry & Neurology (Psychiatry)
450 SUTTER ST, SUITE 2534
SAN FRANCISCO, CA 94108
Psychologist (Clinical)
450 SUTTER ST, SUITE 2116
SAN FRANCISCO, CA 94108
Orthopaedic Surgery
450 SUTTER ST, SUITE 400
SAN FRANCISCO, CA 94108
Otolaryngology
450 SUTTER ST, SUITE 933
SAN FRANCISCO, CA 94108
Dentist (General Practice)
450 SUTTER ST, SUITE 1422
SAN FRANCISCO, CA 94108

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 Union Square Dermatology A Professional Corporation's NPI number?

The NPI number for Union Square Dermatology A Professional Corporation is 1023263613. It was assigned to this organization in the NPPES registry on November 24, 2008.

Where is Union Square Dermatology A Professional Corporation located?

Union Square Dermatology A Professional Corporation is located at 450 Sutter St Suite 830, San Francisco, CA 94108. The listed phone number is (415) 393-0550.

What is Union Square Dermatology A Professional Corporation's specialty?

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

Does Union Square Dermatology A Professional Corporation hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 05D1059083) is associated with this NPI, valid through February 19, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Union Square Dermatology A Professional Corporation was last updated on November 24, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.