Steven Charles Gasiewicz, MD - Medicare Emergency Medicine in Cheektowaga, NY

Steven Charles Gasiewicz, MD is a medicare enrolled "Emergency Medicine" physician in Cheektowaga, New York. He went to University Of Texas Medical School At San Antonio and graduated in 1998 and has 26 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Bassett Healthcare and his current practice location is 2605 Harlem Road, St. Joseph's Hospital, Cheektowaga, New York. You can reach out to his office (for appointments etc.) via phone at (716) 204-4500.

Steven Charles Gasiewicz is licensed to practice in New York (license number 211527) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1457303521.

Contact Information

Steven Charles Gasiewicz, MD
2605 Harlem Road, St. Joseph's Hospital,
Cheektowaga, NY 14225
(716) 204-4500
(716) 204-4501

Map and Direction




Physician's Profile

Full NameSteven Charles Gasiewicz
GenderMale
SpecialityEmergency Medicine
Experience26 Years
Location2605 Harlem Road, Cheektowaga, New York
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Steven Charles Gasiewicz attended and graduated from University Of Texas Medical School At San Antonio in 1998
  NPI Data:
  • NPI Number: 1457303521
  • Provider Enumeration Date: 05/17/2006
  • Last Update Date: 08/16/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 9234029562
  • Enrollment ID: I20040318001331

Medical Identifiers

Medical identifiers for Steven Charles Gasiewicz such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1457303521NPI-NPPES
01908841MedicaidNY
RA0570MedicaidNY

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 211527 (New York)Primary
207PE0004XEmergency Medicine - Emergency Medical Services 211527-1 (New York)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Aurelia Osborn Fox Memorial HospitalOneonta, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Bassett Healthcare3779488325641

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. Steven Charles Gasiewicz allows following entities to bill medicare on his behalf.
Entity NameMary Imogene Bassett Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083664221
PECOS PAC ID: 3779488325
Enrollment ID: O20031205000553
Entity NameBuffalo Emergency Associates Llp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508816521
PECOS PAC ID: 4981502515
Enrollment ID: O20031222000057
Entity NameMary Imogene Bassett Hospital
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083664221
PECOS PAC ID: 3779488325
Enrollment ID: O20040120000834

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. Steven Charles Gasiewicz 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
Steven Charles Gasiewicz, MD
6653 Main St,
Williamsville, NY 14221-5906

Ph: (716) 204-4500
Steven Charles Gasiewicz, MD
2605 Harlem Road, St. Joseph's Hospital,
Cheektowaga, NY 14225

Ph: (716) 204-4500

Reviews and Comments


Emergency Medicine Doctors in Cheektowaga, NY

Dr. Mark Sieminski, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 305 Cayuga Rd, Suite 190, Cheektowaga, NY 14225
Phone: 716-580-1813    
Shehla Haque, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2605 Harlem Road, St. Joseph's Hospital, Cheektowaga, NY 14225
Phone: 716-204-4500    Fax: 716-204-4501
Mark D Wilkowski, PA
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2605 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-204-4500    Fax: 716-204-4501
Dr. Jessica Lauren Ede, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2605 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-891-2400    
Jennifer L Geiger, MD
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 2605 Harlem Rd, Cheektowaga, NY 14225
Phone: 716-891-2445    
Dr. Stephen Lopez, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 305 Cayuga Rd Ste 190, Cheektowaga, NY 14225
Phone: 716-580-1813    

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).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.