Pediatric Hematology & Oncology in Buffalo, New York
Data updated monthly · Last refresh September 2026
18 Pediatric Hematology & Oncology providers practice in Buffalo. Listings are drawn from federal public records and are not endorsements.
Pediatric Hematology & Oncology providers in Buffalo
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Ajay Gupta, M.D.Buffalo, NY · $173 in drug and device payments (2025) ·
(716) 845-2300 Dr. Barbara Bambach, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Beverly Schaefer, MDBuffalo, NY · $16,047 in drug and device payments (2025) ·
(716) 845-2333 Dr. Clare Twist, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Kanwaldeep Mallhi, MDBuffalo, NY · $361 in drug and device payments (2025) ·
(716) 845-2300 Dr. Katia Crisler, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Katie Carlberg, M.D.Buffalo, NY · $135 in drug and device payments (2025) ·
(716) 845-2300 Dr. Lauren Bruckner, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Lisa Niswander, MD, PHDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Lorna Fitzpatrick, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 878-7349 Dr. Martin Brecher, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 845-2300 Dr. Mary Petruzzi, MDBuffalo, NY · No drug or device payments recorded (2025) ·
(716) 878-7349 Dr. Matthew Barth, MDBuffalo, NY · $21,535 in drug and device payments (2025) ·
(716) 845-2333 Dr. Meghan Higman, MDBuffalo, NY · $147 in drug and device payments (2025) ·
(716) 878-7123 Dr. Steven Ambrusko, MDBuffalo, NY · $275 in drug and device payments (2025) ·
(716) 845-4447 Common questions
How many Pediatric Hematology & Oncology providers are in Buffalo, New York?There are 18 Pediatric Hematology & Oncology providers with active NPI records practicing in Buffalo, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Buffalo Pediatric Hematology & Oncology across New York