Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANDREAS CHAI MD, PHD
NPI 1255133542
Dermatology in San Francisco, CA

Active since March 26, 2025
1701 DIVISADERO ST FL 3, SAN FRANCISCO, CA 94115(863) 293-1121 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 13, 2026, Jul 7, 2026, Apr 2, 2025 and 1 more (4 updates tracked since 2025).

About Andreas Chai Md, Phd NPPES

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

ANDREAS CHAI MD, PHD (NPI 1255133542) is an individual dermatology provider in San Francisco, California, licensed in California (A210404) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1255133542
Entity TypeIndividualMale
Primary Taxonomy207N00000X
Provider Legal NameANDREAS CHAICredential: MD, PHD
Location Address1701 DIVISADERO ST FL 3San Francisco, CA 94115-3011
Mailing Address1701 Divisadero St Fl 3San Francisco, CA 94115-3011
Sole ProprietorNo
Enumeration DateMarch 26, 2025
Last NPPES UpdateAugust 13, 20264 updates tracked since enumeration
NPPES CertifiedAugust 13, 2026
NPI 1255133542 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyDermatologyAllopathic & Osteopathic Physicians
Taxonomy Code207N00000X
License Licensed in CA · A210404
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.
1701 DIVISADERO ST FL 3, San Francisco, CA 94115

Other Providers at the Same Location NPPES 16

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

Dermatology
1701 DIVISADERO ST FL 3
SAN FRANCISCO, CA 94115
Student in an Organized Health Care Education/Training Program
1701 DIVISADERO ST FL 3
SAN FRANCISCO, CA 94115
Physician Assistant
1701 DIVISADERO ST FL 3
SAN FRANCISCO, CA 94115
Dermatology (MOHS-Micrographic Surgery)
1701 DIVISADERO ST FL 3
SAN FRANCISCO, CA 94115
Dermatology
1701 DIVISADERO ST FL 3
SAN FRANCISCO, CA 94115
Dermatology
1701 DIVISADERO ST FL 3, UCSF DEPARTMENT OF DERMATOLOGY
SAN FRANCISCO, CA 94115
Student in an Organized Health Care Education/Training Program
1701 DIVISADERO ST FL 3
SAN FRANCISCO, CA 94115
Licensed Vocational Nurse
1701 DIVISADERO ST FL 3
SAN FRANCISCO, CA 94115

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 Andreas Chai's NPI number?

The NPI number for Andreas Chai is 1255133542. It was assigned to this individual provider in the NPPES registry on March 26, 2025.

Where is Andreas Chai located?

Andreas Chai practices at 1701 Divisadero St Fl 3, San Francisco, CA 94115. The listed phone number is (863) 293-1121.

What is Andreas Chai's specialty?

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

When was this NPI record last updated?

The NPPES record for Andreas Chai was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.