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Physician Profile

Mary Ann Carol C. Besana, MD

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At a glance

About Dr. Besana

Mary Ann Carol C. Besana, MD practices family medicine in Napa, CA. The provider's National Provider Identifier (NPI) is 1700894540.

Factual summary compiled by Guide.md from public records; not written by this provider.

Specialty

Family Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 97087DelinquentExpired Mar 31, 2026Since 2006
NY licenceAs reported to the NPI registry
No. 230393As reported
NPINational Provider Identifier
1700894540Issued 2006

Snapshot · verify with the board ↗

Medicare information

Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Dr. Besana?

Dr. Besana is a family doctor in Napa, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

What is Dr. Besana's address?

Dr. Besana is listed at 3285 Claremont Way Medicine 3, Napa, CA 94558. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Dr. Besana?

The number on file is (707) 258-2166. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Besana's NPI number?

Dr. Besana's National Provider Identifier is 1700894540. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.

NPI registry

How long has Dr. Besana been practicing?

Dr. Besana has 20+ years experience. Registered with an NPI since 2006. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Besana confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Besana. If this is you, claiming it is free.

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