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Physician Profile

Frank W. Ryning, MD

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At a glance

About Dr. Ryning

Frank W. Ryning, MD practices geriatric medicine in San Francisco, CA. The provider's National Provider Identifier (NPI) is 1790904084.

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

Specialty

Geriatric Medicine (Primary)

Credentials & Licensing

CA · Physician and Surgeon GMedical Board of California
No. 29459DelinquentExpired Dec 31, 2025Since 1975
NPINational Provider Identifier
1790904084Issued 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 is Dr. Ryning's specialty?

Dr. Ryning is a geriatrician in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Geriatric Medicine”.

NPI registry

Where can I find Dr. Ryning?

Dr. Ryning is listed at 1339 4Th Ave, San Francisco, CA 94122. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Ryning?

The number on file is (415) 681-9980. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Ryning's NPI number?

Dr. Ryning's National Provider Identifier is 1790904084. 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. Ryning been practicing?

Dr. Ryning 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

Has Dr. Ryning confirmed this information?

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

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