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

Gregory A Formanek, MD

Individual provider Hematology & Oncology Physician · NPI 1568407583

Gregory A Formanek, MD is a Medical Oncology in East Stroudsburg, Pennsylvania. Graduated from Rutgers New Jersey Medical School in 1975, 51 years ago. Practices with Geisinger Clinic, a 3,413-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania and Virginia.

Years since qualifying
51
Trained at
Rutgers New Jersey Medical School
Licensed in
PA, VA
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.

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Practice location Address checks out

205 E Brown St 2nd Fl
East Stroudsburg, PA 18301-3006
Phone: (570) 420-2188
Fax: (570) 421-3493
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence MD041860L (PA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 0101232517 (VA)

Record details

NPI number1568407583
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2006
Last updated in NPPESJuly 22, 2013

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolRUTGERS NEW JERSEY MEDICAL SCHOOL
Graduated 1975 (51 years in practice)
Group practice Geisinger Clinic — 3413 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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