Mr. Mark Brown FNP-C
About this NPIWhat this record shows.
NPI 1346053048 is registered to Mr. Mark Brown FNP-C, a Family Nurse Practitioner practising at 421 Nut Tree Rd in Vacaville, California. Family Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mr. Mark Brown FNP-C has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Your brand here.
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.
Order and Referring Only
- I20250710003405Nurse 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 Mr. Mark Brown FNP-C accepts. To confirm in-network status with your specific health plan, contact Mr. Mark Brown FNP-C directly at (707) 624-7500.
Frequently asked
Yes. NPI 1346053048 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 (707) 624-7500.
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. Mr. Mark Brown FNP-C is a Type-1 individual NPI.