Individual provider · Type 1 NPI

Donald S. Diefendorf, P.A.-C

Medical Physician Assistant · Baltimore, MD

NPI number 1437187002 Active

Practice location

2700 Quarry Lake Dr Ste 300
Baltimore, MD 21209

Call (410) 377-8900 Map

Fax (410) 377-0576

Mailing address

601 Memory Ln
York, PA 17402-2123

Other practice locations

  • 1227 Baltimore St, Hanover, PA 17331-4406 · (717) 812-2055

Specialties and licenses

TaxonomyCodeLicense
Medical Physician Assistant Primary 363AM0700XMA002841L (PA)
Medical Physician Assistant 363AM0700XC0002134 (MD)

Medical Physician Assistant: Definition to come...

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About NPI 1437187002

Donald S. Diefendorf, P.A.-C's National Provider Identifier is 1437187002, issued on Jun 30, 2006. The primary taxonomy on file is Medical Physician Assistant (363AM0700X), and the practice location is in Baltimore, MD. The record was last updated on Dec 5, 2025.