Individual provider · Type 1 NPI

Gerard John Diefes, MD

Pulmonary Disease Physician · Wynnewood, PA

NPI number 1417948951 Active

Practice location

1001 City Line Ave, Wb 113
Wynnewood, PA 19096-3902

Fax (610) 896-0286

Other practice locations

  • 736 W Lincoln Hwy, Exton, PA 19341-2547 · (610) 359-5858

Specialties and licenses

TaxonomyCodeLicense
Critical Care Medicine (Internal Medicine) Physician 207RC0200XMD056949L (PA)
Sleep Medicine (Internal Medicine) Physician 207RS0012XMD056949L (PA)
Pulmonary Disease Physician Primary 207RP1001XMD056949L (PA)

Pulmonary Disease Physician: An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.

2 other providers at this address

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About NPI 1417948951

Gerard John Diefes, MD's National Provider Identifier is 1417948951, issued on Nov 3, 2005. The primary taxonomy on file is Pulmonary Disease Physician (207RP1001X), and the practice location is in Wynnewood, PA. The record was last updated on May 20, 2025.