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

Dr. William R. Friedenberg, MD

Individual provider Hematology & Oncology Physician · NPI 1841266491

Dr. William R. Friedenberg, MD is a Hematology & Oncology Physician in Sayre, Pennsylvania. Licensed in New York and Pennsylvania. Registered with an NPI since 2006.

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

1 Guthrie Sq
Sayre, PA 18840-1625
Phone: (570) 888-5858
Fax: (570) 882-3007
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 MD065579L (PA)
Hematology & Oncology Physician Taxonomy 207RH0003X · Licence 211946-1 (NY)

Record details

NPI number1841266491
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 24, 2006
Last updated in NPPESMay 29, 2009
Mailing address1 Guthrie Sq, Sayre, PA 18840-1625

Other providers in Sayre