DR. WILLIAM R. FRIEDENBERG MD
NPI 1841266491
Internal Medicine - Hematology & Oncology in Sayre, PA

Active since February 24, 2006
1 GUTHRIE SQ, SAYRE, PA 18840(570) 888-5858(570) 882-3007 Get Directions Write a Review

NPPES record last updated: May 29, 2009. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. William R. Friedenberg Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM R. FRIEDENBERG MD (NPI 1841266491) is an individual hematology & oncology provider in Sayre, Pennsylvania, licensed in Pennsylvania (MD065579L) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1841266491
Entity TypeIndividualMale
Primary Taxonomy207RH0003X
Provider Legal NameDR. WILLIAM R. FRIEDENBERGCredential: MD
Location Address1 GUTHRIE SQSayre, PA 18840-1625
Mailing Address1 Guthrie SqSayre, PA 18840-1625 · (570) 888-5858 · Fax (570) 882-3007
Fax(570) 882-3007
Sole ProprietorNo
Enumeration DateFebruary 24, 2006
Last NPPES UpdateMay 29, 2009
NPI 1841266491 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Hematology & OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RH0003X
Licenses Licensed in PA · MD065579L Licensed in NY · 211946-1
Definition

An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.

1 GUTHRIE SQ, Sayre, PA 18840

Other Identifiers 3

Medicare UPINB52907
Medicaid01860975NY
Medicare ID-Type Unspecified0017018890001PA

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Otolaryngology
1 GUTHRIE SQ
SAYRE, PA 18840
Surgery
1 GUTHRIE SQ
SAYRE, PA 18840
Radiology (Diagnostic Radiology)
1 GUTHRIE SQ
SAYRE, PA 18840
Advanced Practice Midwife
1 GUTHRIE SQ
SAYRE, PA 18840
Physical Medicine & Rehabilitation
1 GUTHRIE SQ
SAYRE, PA 18840
Anesthesiology
1 GUTHRIE SQ
SAYRE, PA 18840
Emergency Medicine
1 GUTHRIE SQ
SAYRE, PA 18840
Emergency Medicine
1 GUTHRIE SQ
SAYRE, PA 18840

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Friedenberg's NPI number?

The NPI number for William Friedenberg is 1841266491. It was assigned to this individual provider in the NPPES registry on February 24, 2006.

Where is William Friedenberg located?

William Friedenberg practices at 1 Guthrie Sq, Sayre, PA 18840. The listed phone number is (570) 888-5858.

What is William Friedenberg's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.

When was this NPI record last updated?

The NPPES record for William Friedenberg was last updated on May 29, 2009. NPI Profile syncs with the weekly NPPES data releases published by CMS.