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Physician Profile

Sienna S. Go, M.D.

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At a glance

About Dr. Go

Sienna S. Go, M.D. practices family medicine in Costa Mesa, CA. The provider's National Provider Identifier (NPI) is 1295759298.

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. 53859CurrentExpires Jan 2027Since 1995
CA licenceAs reported to the NPI registry
No. A053859As reported
NPINational Provider Identifier
1295759298Issued 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 Sienna S. Go's specialty?

Sienna S. Go is a family doctor in Costa Mesa, 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 Sienna S. Go?

Sienna S. Go is listed at 1 Mark Ln, Costa Mesa, CA 92626. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Sienna S. Go?

The number on file is (714) 457-4545. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Sienna S. Go's NPI number?

Sienna S. Go's National Provider Identifier is 1295759298. 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 Sienna S. Go been practicing?

Sienna S. Go 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 Sienna S. Go confirmed this information?

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

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