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About this NPIWhat this record shows.
NPI 1689924649 is registered to Irmak Basaran O'brien, a Mental Health Counselor practising at 244 California St Ste 300 in San Francisco, California. Mental Health Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Irmak Basaran O'brien has been enumerated in the National Provider Identifier (NPI) registry since 2012.
Provider type
Individual (Type 1)
Status
Active
Enumerated
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The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Irmak Basaran O'brien accepts. To confirm in-network status with your specific health plan, contact Irmak Basaran O'brien directly at (650) 451-5110.
Frequently asked
Yes. NPI 1689924649 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 (650) 451-5110.
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. Irmak Basaran O'brien is a Type-1 individual NPI.
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