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Physician Profile

Mark S. Agness, M.D.

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At a glance

About Dr. Agness

Based in Marysville, CA, Mark S. Agness, M.D. is listed in the NPI registry under family medicine. NPI 1609816743 identifies this record in the national registry.

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

Specialty

Family Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 68116CurrentExpires Oct 2027Since 1990
NPINational Provider Identifier
1609816743Issued 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 is Mark S. Agness's specialty?

Mark S. Agness is a family doctor in Marysville, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.

NPI registry

Where can I find Mark S. Agness?

Mark S. Agness is listed at 726 4Th Street, Marysville, CA 94901. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Mark S. Agness?

The number on file is (530) 749-4300. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Mark S. Agness?

Mark S. Agness's National Provider Identifier is 1609816743. 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 much experience does Mark S. Agness have?

Mark S. Agness 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

Is Mark S. Agness's profile verified?

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

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