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About this NPIWhat this record shows.
NPI 1194292318 is registered to Mr. William Callahan, a Mental Health Counselor practising at 1855 W Katella Ave Ste 150 in Orange, California. Mental Health Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mr. William Callahan has been enumerated in the National Provider Identifier (NPI) registry since 2018.
Provider type
Individual (Type 1)
Status
Active
Enumerated
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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
913744300FCA· Issued by MEDI-CAL
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. William Callahan accepts. To confirm in-network status with your specific health plan, contact Mr. William Callahan directly at (714) 399-3480.
Frequently asked
Yes. NPI 1194292318 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Mental Health 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 (714) 399-3480.
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. William Callahan is a Type-1 individual NPI.
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