Dr. Tammy Mahaney DNP-FNP
About this NPIWhat this record shows.
NPI 1679359178 is registered to Dr. Tammy Mahaney DNP-FNP, a Family Nurse Practitioner practising at 2000 Van Ness Ave Ste 304 in San Francisco, California. Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Tammy Mahaney DNP-FNP has been enumerated in the National Provider Identifier (NPI) registry since 2023.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20240404000471Nurse PractitionerCA
Source: CMS PECOS public enrollment file.
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 Dr. Tammy Mahaney DNP-FNP accepts. To confirm in-network status with your specific health plan, contact Dr. Tammy Mahaney DNP-FNP directly at (415) 775-1500.
Frequently asked
Yes. NPI 1679359178 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Nurse Practitioner 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) 775-1500.
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. Dr. Tammy Mahaney DNP-FNP is a Type-1 individual NPI.