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

Dr. Edward Thomas O'Brien, MD

Individual provider Medical Oncology Physician · NPI 1205808276

Dr. Edward Thomas O'Brien, MD is a Medical Oncology in Selinsgrove, Pennsylvania. Graduated from Georgetown University School of Medicine in 1979, 47 years ago. Practices with Geisinger Clinic, a 3,413-clinician group, accepts Medicare assignment and offers telehealth. Licensed in New York and Pennsylvania.

Years since qualifying
47
Trained at
Georgetown University School of Medicine
Licensed in
NY, PA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1575 N Old Trl
Selinsgrove, PA 17870-8381
Phone: (570) 374-8555
Fax: (570) 374-9933
Show map & directions

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

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence MD024174E (PA)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 235282-1 (NY)

Record details

NPI number1205808276
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 3, 2006
Last updated in NPPESDecember 20, 2013
Mailing address1575 N Old Trl, Selinsgrove, PA 17870-8381

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1979 (47 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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