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About this NPIWhat this record shows.
NPI 1366565889 is registered to Mr. Chang Lun Asw, a Counselor practising at 729 Filbert St in San Francisco, California. Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mr. Chang Lun Asw has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Provider type
Individual (Type 1)
Status
Active
Enumerated
2007-04-09
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Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
3746· Issued by SFGH INTERNAL USE ONLY
3746· Issued by CBHS INTERNAL USE ONLY-COMMERCIAL NUMBER
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 Mr. Chang Lun Asw accepts. To confirm in-network status with your specific health plan, contact Mr. Chang Lun Asw directly at (415) 352-2000.
Frequently asked
Yes. NPI 1366565889 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Counselor 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) 352-2000.
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. Mr. Chang Lun Asw is a Type-1 individual NPI.
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