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

Mr. Robert Joseph Anderson, MS

Individual provider Internal Medicine Physician · NPI 1235758947

Mr. Robert Joseph Anderson, MS is an Internal Medicine in Danville, Pennsylvania. Graduated from Philadelphia College of Osteopathic Medicine in 2020, 6 years ago. Practices with Geisinger Clinic, a 3,413-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
6
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
PA
In the registry since
2020
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

Geisinger Medical Center 100 North Academy Ave
Danville, PA 17822-9800
Phone: (570) 214-9585
Fax: (570) 214-9519
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence OS022932 (PA)

Record details

NPI number1235758947
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorNo
NPI enumeratedApril 13, 2020
Last updated in NPPESDecember 4, 2025
Certification dateDecember 4, 2025
Mailing address100 N Academy Ave, Danville, PA 17822-9800

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2020 (6 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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