William Hoban Ma, Psychology
About this NPIWhat this record shows.
NPI 1659017648 is registered to William Hoban Ma, Psychology, a Addiction Counselor practising at 2619 Spring Oaks Dr in Santa Rosa, California. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. William Hoban Ma, Psychology has been enumerated in the National Provider Identifier (NPI) registry since 2022.
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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 William Hoban Ma, Psychology accepts. To confirm in-network status with your specific health plan, contact William Hoban Ma, Psychology directly at (805) 630-0911.
Frequently asked
Yes. NPI 1659017648 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Addiction 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 (805) 630-0911.
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. William Hoban Ma, Psychology is a Type-1 individual NPI.