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Physician Profile

William S. Longfellow, M.D.

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At a glance

About Dr. Longfellow

William S. Longfellow, M.D. is a healthcare provider in Rancho Mirage, CA specializing in internal medicine. This provider record is associated with NPI 1922149285.

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

Specialty

Internal Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon AMedical Board of California
No. 50581CurrentExpires May 2027Since 1992
NPINational Provider Identifier
1922149285Issued 2007

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 does William S. Longfellow specialize in?

William S. Longfellow is an internist in Rancho Mirage, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.

NPI registry

Where is William S. Longfellow located?

William S. Longfellow is listed at 71780 San Jacinto Dr Suite H-1, Rancho Mirage, CA 92270. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is William S. Longfellow's phone number?

The number on file is (760) 340-6777. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for William S. Longfellow?

William S. Longfellow's National Provider Identifier is 1922149285. 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 William S. Longfellow have?

William S. Longfellow has 19+ years experience. Registered with an NPI since 2007. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Is William S. Longfellow's profile verified?

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

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