Ms. Marcia Byrnes RN, FNP
About this NPIWhat this record shows.
NPI 1801035043 is registered to Ms. Marcia Byrnes RN, FNP, a Family Nurse Practitioner practising at 16 Ritter St in San Rafael, California. Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Ms. Marcia Byrnes RN, FNP has been enumerated in the National Provider Identifier (NPI) registry since 2009.
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 Ms. Marcia Byrnes RN, FNP accepts. To confirm in-network status with your specific health plan, contact Ms. Marcia Byrnes RN, FNP directly at (415) 457-8182.
Frequently asked
Yes. NPI 1801035043 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) 457-8182.
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. Ms. Marcia Byrnes RN, FNP is a Type-1 individual NPI.