Lois J Ayash, MD - Medicare Hematology/oncology in Detroit, MI

Lois J Ayash, MD is a medicare enrolled "Internal Medicine - Hematology & Oncology" physician in Detroit, Michigan. She went to University Of Massachusetts Medical School and graduated in 1981 and has 43 years of diverse experience with area of expertise as Hematology/oncology. She is a member of the group practice University Physician Group and her current practice location is 4100 John R St, Karmanos Cancer Inst, Detroit, Michigan. You can reach out to her office (for appointments etc.) via phone at (800) 527-6266.

Lois J Ayash is licensed to practice in Michigan (license number 4301069385) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1699713982.

Contact Information

Lois J Ayash, MD
4100 John R St, Karmanos Cancer Inst,
Detroit, MI 48201-2013
(800) 527-6266
(313) 576-8767

Map and Direction




Physician's Profile

Full NameLois J Ayash
GenderFemale
SpecialityHematology/oncology
Experience43 Years
Location4100 John R St, Detroit, Michigan
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Lois J Ayash attended and graduated from University Of Massachusetts Medical School in 1981
  NPI Data:
  • NPI Number: 1699713982
  • Provider Enumeration Date: 06/02/2006
  • Last Update Date: 11/16/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 2961460548
  • Enrollment ID: I20041229000493

Medical Identifiers

Medical identifiers for Lois J Ayash such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699713982NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RH0003XInternal Medicine - Hematology & Oncology 50625 (Massachusetts)Secondary
207RH0003XInternal Medicine - Hematology & Oncology 4301069385 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Karmanos Cancer CenterDetroit, MIHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
University Physician Group8628087681341

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. Lois J Ayash allows following entities to bill medicare on her behalf.
Entity NameUniversity Physician Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1447299797
PECOS PAC ID: 8628087681
Enrollment ID: O20060419000518

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. Lois J Ayash 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
Lois J Ayash, MD
1560 E. Maple Rd, Suite 400-credentialing,
Troy, MI 48083-1189

Ph: (248) 581-5976
Lois J Ayash, MD
4100 John R St, Karmanos Cancer Inst,
Detroit, MI 48201-2013

Ph: (800) 527-6266

Reviews and Comments


Internal Medicine Doctors in Detroit, MI

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Maria Diab,
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Practice Location: 2799 W Grand Blvd, Detroit, MI 48202
Phone: 800-653-6568    Fax: 313-876-1305

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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