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

Dr. Steven John Ambrusko, MD

Individual provider Pediatric Hematology & Oncology Physician · NPI 1205047461

Dr. Steven John Ambrusko, MD is a Pediatric Medicine in Buffalo, New York. Graduated from State University of New York at Buffalo School of Medicine in 2000, 26 years ago. Practices with Roswell Park Cancer Institute, a 489-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
26
Trained at
State University of New York at Buffalo School of Medicine
Licensed in
NY
In the registry since
2007
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 Partly verified

Some contact details are missing from the federal record.

Elm At Carlton Streets
Buffalo, NY 14263-2006
Phone: (716) 845-4447
Fax: (716) 845-3588
Show map & directions

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

Additional practice locations (1)

  • 818 Ellicott St, Buffalo, NY 14203-1021 — (716) 323-2000

Specialties & licences

Pediatric Hematology & Oncology Physician (primary) Taxonomy 2080P0207X · Licence 230423 (NY)

Record details

NPI number1205047461
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 26, 2007
Last updated in NPPESJanuary 6, 2021
Certification dateJanuary 6, 2021
Mailing address1001 Main St Fl 5, Buffalo, NY 14203-1009

Medicare enrollment

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

Medicare specialtyPEDIATRIC MEDICINE
Medical schoolSTATE UNIVERSITY OF NEW YORK AT BUFFALO SCHOOL OF MEDICINE
Graduated 2000 (26 years in practice)
Group practice Roswell Park Cancer Institute — 489 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Buffalo