Dr Steven John Ambrusko, MD - Medicare Pediatrics in Buffalo, NY

Dr Steven John Ambrusko, MD is a medicare enrolled "Pediatrics - Pediatric Hematology-oncology" physician in Buffalo, New York. His current practice location is Elm At Carlton Streets, Buffalo, New York. You can reach out to his office (for appointments etc.) via phone at (716) 845-4447.

Dr Steven John Ambrusko is licensed to practice in New York (license number 230423) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1205047461.

Contact Information

Dr Steven John Ambrusko, MD
Elm At Carlton Streets,
Buffalo, NY 14263-2006
(716) 845-4447
(716) 845-3588

Map and Direction




Physician's Profile

Full NameDr Steven John Ambrusko
GenderMale
SpecialityPediatrics - Pediatric Hematology-oncology
LocationElm At Carlton Streets, Buffalo, New York
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1205047461
  • Provider Enumeration Date: 05/26/2007
  • Last Update Date: 01/06/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 9830287960
  • Enrollment ID: I20071126000585

Medical Identifiers

Medical identifiers for Dr Steven John Ambrusko such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1205047461NPI-NPPES
00028091301OtherUNIVERA
000529373001OtherBC/BS
070905000009OtherFIDELIS
02903271MedicaidNY
1214321OtherIHA
000529373002OtherBC/BS

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2080P0207XPediatrics - Pediatric Hematology-oncology 230423 (New York)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Steven John Ambrusko allows following entities to bill medicare on his behalf.
Entity NameRoswell Park Cancer Institute
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1720036593
PECOS PAC ID: 3577475110
Enrollment ID: O20031103000466
Entity NameUniversity At Buffalo Pediatric Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1912928599
PECOS PAC ID: 1355235540
Enrollment ID: O20040210000076
Entity NameWestern New York Bloodcare Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952433757
PECOS PAC ID: 0547306847
Enrollment ID: O20090929000596

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Steven John Ambrusko is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Steven John Ambrusko, MD
1001 Main St Fl 5,
Buffalo, NY 14203-1009

Ph: (716) 323-0000
Dr Steven John Ambrusko, MD
Elm At Carlton Streets,
Buffalo, NY 14263-2006

Ph: (716) 845-4447

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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