Physician Profile
Based in Columbus, OH, Karen A. Diefenbach, M.D. is listed in the NPI registry under pediatric surgery. Karen is also listed as specializing in colon & rectal surgery. NPI 1164658258 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
555 S 18TH ST
Columbus, OH 43205
5665 Venture Dr
Dublin, OH 43017
536 S Trimble Rd
Mansfield, OH 44906
455 Executive Campus Dr
Westerville, OH 43082
700 Childrens Dr
Columbus, OH 43205
2222 Cherry St Ste 1800
Toledo, OH 43608
2213 Cherry St
Toledo, OH 43608
26 Hospital Dr
Athens, OH 45701
Karen A. Diefenbach is a pediatric surgeon in Columbus, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Pediatric Surgery”.
NPI registry
Karen A. Diefenbach 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
The number on file is (614) 722-6200. Contact the office directly to confirm availability and scheduling.
NPI registry
Karen A. Diefenbach's National Provider Identifier is 1164658258. 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
Karen A. Diefenbach has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Not yet. This profile is built from public federal data and has not been confirmed by Karen A. Diefenbach. If this is you, claiming it is free.
Guide.md
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