Yanek Chiu M.D.
About this NPIWhat this record shows.
NPI 1588667422 is registered to Yanek Chiu M.D., a Colon & Rectal Surgery Physician practising at 3838 California St, Rm 616 in San Francisco, California. Colon & Rectal Surgery Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Yanek Chiu M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2005.
Beyond the registryWhat this record adds.
This record carries 1 secondary identifier beyond the base NPI: Medicaid and other payer cross-references used by billers and credentialers, which the standard CMS NPPES lookup does not surface. Within the directory it is one of 255 Colon & Rectal Surgery Physician providers on file in California.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Medicaid
Source: NPPES public registry.
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 Yanek Chiu M.D. accepts. To confirm in-network status with your specific health plan, contact Yanek Chiu M.D. directly at (415) 668-0411.
Frequently asked
Yes. NPI 1588667422 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Colon & Rectal Surgery 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) 668-0411.
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. Yanek Chiu M.D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 255 Colon & Rectal Surgery Physician providers are registered in California, and Yanek Chiu M.D. is one of them. The figure refreshes each month from the federal source.