Jaroslaw P Maciejewski, MD - Medicare Hematology/oncology in Cleveland, OH

Jaroslaw P Maciejewski, MD is a medicare enrolled "Internal Medicine - Hematology" physician in Cleveland, Ohio. He graduated from medical school in 1990 and has 34 years of diverse experience with area of expertise as Hematology/oncology. He is a member of the group practice Cleveland Clinic Foundation and his current practice location is 9500 Euclid Ave, Cleveland, Ohio. You can reach out to his office (for appointments etc.) via phone at (800) 223-2273.

Jaroslaw P Maciejewski is licensed to practice in Ohio (license number 35080280) 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 1831299908.

Contact Information

Jaroslaw P Maciejewski, MD
9500 Euclid Ave,
Cleveland, OH 44195-0001
(800) 223-2273
Not Available

Map and Direction




Physician's Profile

Full NameJaroslaw P Maciejewski
GenderMale
SpecialityHematology/oncology
Experience34 Years
Location9500 Euclid Ave, Cleveland, Ohio
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:
  • Jaroslaw P Maciejewski graduated from medical school in 1990
  NPI Data:
  • NPI Number: 1831299908
  • Provider Enumeration Date: 09/25/2006
  • Last Update Date: 02/05/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 9133128929
  • Enrollment ID: I20061205000139

Medical Identifiers

Medical identifiers for Jaroslaw P Maciejewski such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831299908NPI-NPPES
2304410MedicaidOH

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0000XInternal Medicine - Hematology 35080280 (Ohio)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Cleveland ClinicCleveland, OHHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cleveland Clinic Foundation18502035555680

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. Jaroslaw P Maciejewski allows following entities to bill medicare on his behalf.
Entity NameThe Cleveland Clinic Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1679525919
PECOS PAC ID: 1850203555
Enrollment ID: O20031103000049

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. Jaroslaw P Maciejewski 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
Jaroslaw P Maciejewski, MD
6000 W Creek Rd, Suite 10,
Independence, OH 44131-2139

Ph: (800) 223-2273
Jaroslaw P Maciejewski, MD
9500 Euclid Ave,
Cleveland, OH 44195-0001

Ph: (800) 223-2273

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).

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.