Steven John Ambrusko, MD
Pediatric Hematology & Oncology Physician · Buffalo, NY
Steven John Ambrusko, MD is a pediatric hematology & oncology physician with a practice address in Buffalo, New York, and NPI 1205047461, issued on May 26, 2007. Check the license (New York 230423, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Steven John Ambrusko
- Credential
- MD
- Primary taxonomy
- Pediatric Hematology & Oncology Physician 2080P0207X
- License number
- 230423 NY
Self-reported in NPPES; status is on the state search - Practice location
- Elm AT Carlton Streets, Buffalo, NY 14263
- Phone
- (716) 845-4447
- Enumerated
- May 26, 2007
- Record last updated
- Jan 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (716) 845-3588
- Medicaid ID
- 02903271 NY
- Medicare enrollment
- Enrolled (PECOS I20071126000585); accepts Medicare assignment
- Medical or professional school
- State University Of New York At Buffalo School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest pediatric hematology & oncology physician records → All 289 in New York → Look up another NPI →
Verify Steven John Ambrusko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 230423Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $413.71
5 payments; by number, the most common kind was food and beverage; the largest payer was Chiesi USA, Inc. The 1,215 providers of this specialty with any payment received $7,404.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Roswell Park Cancer InstituteBuffalo, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Steven John Ambrusko among 289 pediatric hematology & oncology physician records in New York
Steven John Ambrusko, MD is one of 289 pediatric hematology & oncology physician records with a practice address in New York. 54% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.
- NPI issued2007 · 44% of these records are older, 49% newer
- In a Medicare fileYes · 54% of these records are
- In the CMS Doctors and Clinicians fileYes · 29% of these records are
- Graduated2000 · median 2006 among the 85 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0207X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Hematology & Oncology Physician providers in New York
There are 289 pediatric hematology & oncology physician records in New York.
All 289 in New York → Every provider in Buffalo → Pediatric Hematology & Oncology Physician nationwide →
The 8 pediatric hematology & oncology physician records with the nearest ZIP codes
- Barbara Bambach, MDBuffalo, NY 142631710982418
- Martin Brecher, MDBuffalo, NY 142631669478095
- Lauren Bruckner, MDBuffalo, NY 142631053346841
- Nataliya Buxbaum, MDBuffalo, NY 142631144493982
- Katie Carlberg, M.D.Buffalo, NY 142631699063933
- Katia Crisler, MDBuffalo, NY 142631205463197
- Ajay Gupta, M.D.Buffalo, NY 142631710321914
- Kara Kelly, MDBuffalo, NY 142631619950607
Common questions
What is Steven John Ambrusko, MD's NPI number?
Steven John Ambrusko, MD's National Provider Identifier (NPI) is 1205047461, issued on May 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Steven John Ambrusko, MD located?
The NPPES record lists a practice address at Elm AT Carlton Streets, Buffalo, NY, 14263. Phone: (716) 845-4447. Providers update this record themselves, so call before visiting.
How can I verify Steven John Ambrusko, MD's license?
NPPES lists New York license number 230423, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.