Dr Tosan A Fregene, MD - Medicare Hematology/oncology in Oak Park, MI

Dr Tosan A Fregene, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Oak Park, Michigan. He graduated from medical school in 1985 and has 39 years of diverse experience with area of expertise as Hematology/oncology. His current practice location is 20770 Greenfield Rd, Ste A, Oak Park, Michigan. You can reach out to his office (for appointments etc.) via phone at (249) 967-8800.

Dr Tosan A Fregene is licensed to practice in Michigan (license number TF053107) 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 1336189513.

Contact Information

Dr Tosan A Fregene, MD
20770 Greenfield Rd, Ste A,
Oak Park, MI 48237-3018
(249) 967-8800
(248) 967-0035

Map and Direction




Physician's Profile

Full NameDr Tosan A Fregene
GenderMale
SpecialityHematology/oncology
Experience39 Years
Location20770 Greenfield Rd, Oak Park, Michigan
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 Tosan A Fregene graduated from medical school in 1985
  NPI Data:
  • NPI Number: 1336189513
  • Provider Enumeration Date: 06/07/2006
  • Last Update Date: 12/19/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6406757863
  • Enrollment ID: I20060925000139

Medical Identifiers

Medical identifiers for Dr Tosan A Fregene such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336189513NPI-NPPES
3173875MedicaidMI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology TF053107 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Harper University HospitalDetroit, MIHospital
Ascension Providence Hospital, Southfield And NoviSouthfield, MIHospital
Sinai-grace HospitalDetroit, MIHospital
Detroit Receiving HospitalDetroit, MIHospital
Ascension St John HospitalDetroit, MIHospital

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 Tosan A Fregene allows following entities to bill medicare on his behalf.
Entity NameOncology Clinics Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811937089
PECOS PAC ID: 0941205058
Enrollment ID: O20060925000130

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 Tosan A Fregene 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 Tosan A Fregene, MD
Po Box 47369,
Oak Park, MI 48237-5069

Ph: (248) 967-8800
Dr Tosan A Fregene, MD
20770 Greenfield Rd, Ste A,
Oak Park, MI 48237-3018

Ph: (249) 967-8800

Reviews and Comments


Internal Medicine Doctors in Oak Park, MI

Paul M Petre, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 24362 Rensselaer St, Oak Park, MI 48237
Phone: 313-673-9145    
Dr. Reem Jurjis Alsabti, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 23350 Greenfield Rd, Suite 200, Oak Park, MI 48237
Phone: 248-808-6225    Fax: 248-291-6987
Anthony Martin, MD
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 24411 Sherman St, Oak Park, MI 48237
Phone: 124-655-0337    Fax: 248-655-0339
Dr. Helen Winkler, M.D.
Hematology & Oncology
Medicare: Not Enrolled in Medicare
Practice Location: 21700 Greenfield Rd, Suite 130, Oak Park, MI 48237
Phone: 248-967-4310    Fax: 248-967-4301
Kathleen Dass, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 24601 Coolidge Hwy, Oak Park, MI 48237
Phone: 248-546-9100    
Dr. Ramsay Francis Dass, M.D.
Hematology & Oncology
Medicare: Accepting Medicare Assignments
Practice Location: 24601 Coolidge Hwy, Oak Park, MI 48237
Phone: 248-546-9100    Fax: 248-546-4848

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.