Dr George Brian Gennaoui, DO - Medicare Rheumatology in Dearborn, MI

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Dr George Brian Gennaoui, DO is a medicare enrolled "Internal Medicine - Rheumatology" physician in Dearborn, Michigan. He went to Michigan State University College Of Osteopathic Medicine and graduated in 2017 and has 9 years of diverse experience with area of expertise as Rheumatology. He is a member of the group practice Beaumont Medical Group- Specialty Services, Allina Health System, Christiana Care Health Services Inc, Perry County Memorial Hospital and his current practice location is 4700 Schaefer Rd Ste 270, Dearborn, Michigan. You can reach out to his office (for appointments etc.) via phone at (947) 523-4670.

Dr George Brian Gennaoui is licensed to practice in Michigan (license number 5101027962) 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 1861928681.

Contact Information

Dr George Brian Gennaoui, DO
4700 Schaefer Rd Ste 270,
Dearborn, MI 48126-3743
(947) 523-4670
(313) 943-2915

Map and Direction




Physician's Profile

Full NameDr George Brian Gennaoui
GenderMale
SpecialityRheumatology
Experience9 Years
Location4700 Schaefer Rd Ste 270, Dearborn, 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 George Brian Gennaoui attended and graduated from Michigan State University College Of Osteopathic Medicine in 2017
  NPI Data:
  • NPI Number: 1861928681
  • Provider Enumeration Date: 05/11/2017
  • Last Update Date: 07/31/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 8224305099
  • Enrollment ID: I20251001001283

Medical Identifiers

Medical identifiers for Dr George Brian Gennaoui such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1861928681NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 79972 (Minnesota)Secondary
207RR0500XInternal Medicine - Rheumatology 02008468A (Indiana)Secondary
207RR0500XInternal Medicine - Rheumatology 5101027962 (Michigan)Primary
207RR0500XInternal Medicine - Rheumatology 34.015633 (Ohio)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Corewell Health Dearborn HospitalDearborn, MIHospital
Mercy Health St Vincent Medical CenterToledo, OHHospital
Corewell Health Taylor HospitalTaylor, MIHospital
Perry County Memorial HospitalTell city, INHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Beaumont Medical Group- Specialty Services7214299866868
Allina Health System45875736133844
Christiana Care Health Services Inc97390975691480
Perry County Memorial Hospital690187127628

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 George Brian Gennaoui allows following entities to bill medicare on his behalf.
Entity NameBeaumont Medical Group- Specialty Services
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578072906
PECOS PAC ID: 7214299866
Enrollment ID: O20180320002549
Entity NameHealtheast Medical Research Institute
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508191552
PECOS PAC ID: 3971407636
Enrollment ID: O20260122003804
Entity NameFairview Express Care
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1831707207
PECOS PAC ID: 3375645179
Enrollment ID: O20260123000353

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 George Brian Gennaoui 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 George Brian Gennaoui, DO
26901 Beaumont Blvd Ste 3d,
Southfield, MI 48033-3849

Ph: Not Available		Dr George Brian Gennaoui, DO
4700 Schaefer Rd Ste 270,
Dearborn, MI 48126-3743

Ph: (947) 523-4670

Reviews and Comments


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Dr. Denise Kirsch, M.D.
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Practice Location: 18101 Oakwood Blvd Ste 101, Dearborn, MI 48124
Phone: 313-436-2426    Fax: 313-436-2440

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.