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

Dr. Agnieszka K. Witkiewicz, MD

Individual provider Anatomic Pathology & Clinical Pathology Physician · NPI 1538177159

Dr. Agnieszka K. Witkiewicz, MD is a Pathology in Buffalo, New York. Qualified in 1996, 30 years ago. Practices with Roswell Park Cancer Institute, a 489-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York and Pennsylvania.

Years since qualifying
30
Licensed in
NY, PA
In the registry since
2006
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Partly verified

Some contact details are missing from the federal record.

Elm And Carlton Streets Rpci Clinical Practice Plan
Buffalo, NY 14263-6731
Phone: (716) 845-2300
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 1020 Locust St Ste 521, Philadelphia, PA 19107-6731 — (215) 503-7822

Specialties & licences

Anatomic Pathology Physician (primary) Taxonomy 207ZP0101X · Licence 293251 (NY)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence MD427490 (PA)
Anatomic Pathology & Clinical Pathology Physician Taxonomy 207ZP0102X · Licence 293251 (NY)

Record details

NPI number1538177159
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 3, 2006
Last updated in NPPESFebruary 12, 2021
Certification dateFebruary 12, 2021

Medicare enrollment

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

Medicare specialtyPATHOLOGY
Medical schoolOTHER
Graduated 1996 (30 years in practice)
Group practice Roswell Park Cancer Institute — 489 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Buffalo