Chuan-Hsin Chang M.D.
About this NPIWhat this record shows.
NPI 1033377841 is registered to Chuan-Hsin Chang M.D., a Endocrinology, Diabetes & Metabolism Physician practising at 1520 Stockton St in San Francisco, California. Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Chuan-Hsin Chang M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2008.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20110511000334Internal MedicineCA
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Chuan-Hsin Chang M.D. accepts. To confirm in-network status with your specific health plan, contact Chuan-Hsin Chang M.D. directly at (415) 391-9686.
Frequently asked
Yes. NPI 1033377841 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Endocrinology, Diabetes & Metabolism Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (415) 391-9686.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Chuan-Hsin Chang M.D. is a Type-1 individual NPI.