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Physician Profile

Arnold S. Loo, D.O.

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At a glance

About Dr. Loo

Arnold S. Loo, D.O. is a healthcare provider in Rohnert Park, CA specializing in internal medicine. This provider record is associated with NPI 1063716918.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Osteopathic Physician and Surgeon 20AOsteopathic Medical Board of California
No. 4953CurrentExpires Jan 2027Since 1984
CA licenceAs reported to the NPI registry
No. 20A4953As reported
NPINational Provider Identifier
1063716918Issued 2011

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 Arnold S. Loo's specialty?

Arnold S. Loo is an internist in Rohnert Park, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where can I find Arnold S. Loo?

Arnold S. Loo is listed at 490 City Center Drive, Rohnert Park, CA 94928. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Arnold S. Loo?

The number on file is (707) 585-7780. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Arnold S. Loo's NPI number?

Arnold S. Loo's National Provider Identifier is 1063716918. 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 Arnold S. Loo been practicing?

Arnold S. Loo has 15+ years experience. Registered with an NPI since 2011. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Arnold S. Loo confirmed this information?

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

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