Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

David Diehl, MD

Individual provider Gastroenterology Physician · NPI 1487647897

David Diehl, MD is a Gastroenterology in Danville, Pennsylvania. Graduated from Un of California, Irvine, College of Medicine in 1983, 43 years ago. Practices with Geisinger Clinic, a 3,413-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
43
Trained at
Un of California, Irvine, College of Medicine
Licensed in
PA
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 N Academy Ave Mail Code 21-11
Danville, PA 17822-9800
Phone: (570) 271-6856
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence MD430592 (PA)

Record details

NPI number1487647897
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 31, 2005
Last updated in NPPESJune 12, 2020
Certification dateJune 12, 2020
Mailing address100 N Academy Ave, Mail Code 21-11, Danville, PA 17822-9800

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolUN OF CALIFORNIA, IRVINE, COLLEGE OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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