Physician Profile

Frederick B. Ruymann, MD

Unclaimed Profile

About Dr. Ruymann

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Specialty

Pediatric Hematology-Oncology (Primary)

Credentials & Licensing

OH license35048172
NPI1427045160
NPI issued09/27/2005

Source: NPPES NPI Registry

Common questions

What is Dr. Ruymann's specialty?

Dr. Ruymann is a pediatric hematology in Columbus, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatric Hematology-Oncology”.

NPI registry

Where can I find Dr. Ruymann?

Dr. Ruymann is listed at 555 S 18Th St, Columbus, OH 43205. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Ruymann?

The number on file is (614) 722-3552. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Ruymann's NPI number?

Dr. Ruymann's National Provider Identifier is 1427045160. 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. Ruymann been practicing?

Dr. Ruymann has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.

NPI registry

Has Dr. Ruymann confirmed this information?

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

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.