Dr Mark Sieminski, MD - Medicare Emergency Medicine in Cheektowaga, NY

Dr Mark Sieminski, MD is a medicare enrolled "Emergency Medicine" physician in Cheektowaga, New York. He went to University Of Virginia School Of Medicine and graduated in 2005 and has 19 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice University Emergency Medical Services Inc. and his current practice location is 305 Cayuga Rd, Suite 190, Cheektowaga, New York. You can reach out to his office (for appointments etc.) via phone at (716) 580-1813.

Dr Mark Sieminski is licensed to practice in Illinois (license number 125051569) 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 1003057779.

Contact Information

Dr Mark Sieminski, MD
305 Cayuga Rd, Suite 190,
Cheektowaga, NY 14225-1980
(716) 580-1813
Not Available

Map and Direction




Physician's Profile

Full NameDr Mark Sieminski
GenderMale
SpecialityEmergency Medicine
Experience19 Years
Location305 Cayuga Rd, 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:
  • Dr Mark Sieminski attended and graduated from University Of Virginia School Of Medicine in 2005
  NPI Data:
  • NPI Number: 1003057779
  • Provider Enumeration Date: 03/10/2009
  • Last Update Date: 10/20/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 5496806523
  • Enrollment ID: I20090630000395

Medical Identifiers

Medical identifiers for Dr Mark Sieminski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003057779NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine 125051569 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Kaleida HealthBuffalo, NYHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Emergency Medical Services Inc.074918266571

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 Mark Sieminski allows following entities to bill medicare on his behalf.
Entity NameUniversity Emergency Medical Services Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1972540482
PECOS PAC ID: 0749182665
Enrollment ID: O20040122000247

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 Mark Sieminski 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 Mark Sieminski, MD
305 Cayuga Rd, Suite 190,
Cheektowaga, NY 14225-1980

Ph: (716) 580-1813
Dr Mark Sieminski, MD
305 Cayuga Rd, Suite 190,
Cheektowaga, NY 14225-1980

Ph: (716) 580-1813

Reviews and Comments


Emergency Medicine Doctors in Cheektowaga, NY

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
Steven Charles Gasiewicz, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2605 Harlem Road, St. Joseph's Hospital, 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.