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

Dr. Robert R. Hergan Jr., MD

Individual provider Internal Medicine Physician · NPI 1720057169

Dr. Robert R. Hergan Jr., MD is an Internal Medicine in Danville, Pennsylvania. Graduated from Perelman School of Med at the University of Pennsylvania in 1994, 32 years ago. Practices with Geisinger Clinic, a 3,413-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
32
Trained at
Perelman School of Med at the University of Pennsylvania
Licensed in
PA
In the registry since
2006
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
Danville, PA 17822-1401
Phone: (570) 271-6164
Fax: (570) 271-6141
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MD062207L (PA)

Record details

NPI number1720057169
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 17, 2006
Last updated in NPPESAugust 31, 2020
Certification dateAugust 31, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPERELMAN SCHOOL OF MED AT THE UNIVERSITY OF PENNSYLVANIA
Graduated 1994 (32 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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