Dr. John Zimmermann M.D.
About this NPIWhat this record shows.
NPI 1558380154 is registered to Dr. John Zimmermann M.D., a Specialist practising at 3443 Villa Ln Ste 10 in Napa, California. Specialist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. John Zimmermann M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
Your brand here.
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. John Zimmermann M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. John Zimmermann M.D. directly at (707) 258-6077.
Frequently asked
Yes. NPI 1558380154 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Specialist 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 (707) 258-6077.
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. John Zimmermann M.D. is a Type-1 individual NPI.