ANDREW C. CHAN M.D. – NPI #1578667028
Internal Medicine
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and "collagen" diseases.
ANDREW CHAN is a physician located in SAN FRANCISCO, CA. NPPES has assigned the NPI number 1578667028 to ANDREW CHAN on September 12, 2006. It is a Type-1 NPI, indicating this NPI number is associated with an individual. With multiple taxonomy codes selected, the primary taxonomy selected by this provider is 207RR0500X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine, specializing in Rheumatology
The NPI profile was last updated on Sep 11, 2025. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for ANDREW CHAN below.
NPI Profile for
ANDREW C. CHAN
(about 20 years ago)
SAN FRANCISCO, CA 94143-2202 Phone: (415) 353-2497 Fax: (415) 353-2530
SUITE 625, BOX 1821
SAN FRANCISCO, CA 94143-0001 Phone: (415) 476-4029 Fax: (415) 476-4150
Identifiers for ANDREW CHAN
Identifiers are used to associate other provider identifiers such as Medicaid or other insurers (ie:, Blue Cross, Blue Shield, Aetna, Kaiser-Permanente, etc.), with their NPI number. These identifiers can be used in matching an NPI number to an insurer's records. However, not all providers have such numbers and not all providers choose to include them in their NPI information.
| Description | Issuer | State | Identifier |
|---|---|---|---|
| medicaid | CA | 00G666410 |
A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.
| Taxonomy Classification / Specialization | State | License |
|---|---|---|
| 207RR0500X - Internal Medicine / Rheumatology (Primary) |
CA | G66641 |
| 207R00000X - Internal Medicine |
CA | G66641 |
The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.