George Brian Gennaoui, D.O

Primary specialty

Rheumatology PhysicianTaxonomy code 207RR0500X

License

5101027962 Issued in MI

Practice address

4700 Schaefer Rd Ste 270
Dearborn, MI 48126-3743

Phone

(947) 523-4670

Fax

(313) 943-2915

NPI assigned

May 11, 2017

Last updated

Jul 31, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 4

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in OH, MN, MI, IN, LA, DE6 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 6

Specialty

Rheumatology

Education

Michigan State University College of Osteopathic Medicine, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Beaumont Medical Group- Specialty ServicesGroup PAC ID 7214299866, 868 clinicians

Allina Health SystemGroup PAC ID 4587573613, 3,844 clinicians

Christiana Care Health Services IncGroup PAC ID 9739097569, 1,480 clinicians

Perry County Memorial HospitalGroup PAC ID 6901871276, 28 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Beaumont Hospital - Dearborn Hospital, Dearborn, MI, CCN 230020
• Mercy St Vincent Medical Center Hospital, Toledo, OH, CCN 360112
• Beaumont Hospital - Taylor Hospital, Taylor, MI, CCN 230270
• Perry County Memorial Hospital Hospital, Tell City, IN, CCN 151322

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Osteopathy, Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: george.gennaoui.1@21400.direct.athenahealth.com
• Direct secure messaging: ggennaoui3387183@epic00.corewelldirect.org
• Direct secure messaging: ggennaoui754787@direct.hfhs.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Beaumont Medical Group- Specialty Services

  • Surgery Physician
  • Royal Oak, MI
  • NPI 1578072906
  Medicare reassignment Care Compare group NPD
• Allina Health System

  dba Allina Health Buffalo Specialty Clinic

  • Obstetrics & Gynecology Physician
  • Buffalo, MN
  • NPI 1295272342
  Medicare reassignment Care Compare group NPD
• Perry County Memorial Hospital

  dba PCMH Provider Clinics

  • General Practice Physician
  • Tell City, IN
  • NPI 1629621396

  Internal Medicine

  Medicare reassignment Care Compare group NPD
• Christiana Care Health Services, Inc

  dba CCHS Pmri

  • Endocrinology, Diabetes & Metabolism Physician
  • Wilmington, DE
  • NPI 1770568107
  Medicare reassignment Care Compare group
• Fairview Express Care

  dba M Health Fairview Recovery Clinic

  • Multi-Specialty Clinic/Center
  • Minneapolis, MN
  • NPI 1053952606
  Medicare reassignment NPD
• Fairview Express Care

  • General Practice Physician
  • Edina, MN
  • NPI 1831707207

  MI

  Medicare reassignment NPD
• Healtheast Medical Research Institute

  dba HealthEast Professional Services

  • Internal Medicine Physician
  • Saint Paul, MN
  • NPI 1508191552

  MI

  Medicare reassignment NPD
• Healtheast Medical Research Institute

  dba HealthEast Vadnais Heights Clinic

  • Clinic/Center
  • Vadnais Heights, MN
  • NPI 1639125503
  Medicare reassignment NPD
• Mille Lacs Health System

  dba Critical Access Hospital

  • Critical Access Hospital
  • Onamia, MN
  • NPI 1548212699
  Medicare reassignment NPD
• The Hospital Service District of West Feliciana Parish Louisiana

  • Critical Access Hospital
  • Saint Francisville, LA
  • NPI 1164497533
  Medicare reassignment NPD
• West Ascension Parish Hospital Service District

  dba Prevost Memorial Hospital

  • Critical Access Hospital
  • Donaldsonville, LA
  • NPI 1306849617
  Medicare reassignment NPD
• West Ascension Parish Hospital Service District

  • Multi-Specialty Clinic/Center
  • Donaldsonville, LA
  • NPI 1730028978
  Medicare reassignment

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Oakwood Healthcare Inc

  dba Beaumont Outpatient Diabetes Education

  • Community Health Clinic/Center
  • Dearborn, MI
  • NPI 1790414670

  Hospital

  Care Compare affiliation
• Oakwood Healthcare, Inc.

  dba Beaumont Hospital - Taylor

  • General Acute Care Hospital
  • Taylor, MI
  • NPI 1487605168
  Care Compare affiliation
• Oakwood Healthcare, Inc.

  dba Beaumont Hospital - Dearborn

  • General Acute Care Hospital
  • Dearborn, MI
  • NPI 1740230119
  Care Compare affiliation
• Mercy Health - St Vincent Medical Center LLC

  dba Mercy Health St Vincent Medical Center

  • General Acute Care Hospital
  • Toledo, OH
  • NPI 1467493551
  Care Compare affiliation
• Perry County Memorial Hospital

  • Ambulance
  • Tell City, IN
  • NPI 1356309777

  Hospital

  Care Compare affiliation
• Perry County Memorial Hospital

  • Critical Access Hospital
  • Tell City, IN
  • NPI 1699779017
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1494460800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785456000000",
    "number": "1861928681",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "26901 BEAUMONT BLVD STE 3D",
            "city": "SOUTHFIELD",
            "state": "MI",
            "postal_code": "480333849"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4700 SCHAEFER RD STE 270",
            "city": "DEARBORN",
            "state": "MI",
            "postal_code": "481263743",
            "telephone_number": "947-523-4670",
            "fax_number": "313-943-2915"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 Elm ST N",
            "address_purpose": "LOCATION",
            "city": "Onamia",
            "state": "MN",
            "postal_code": "563597901",
            "country_code": "US",
            "telephone_number": "320-532-3154",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4050 Coon Rapids Blvd NW",
            "address_purpose": "LOCATION",
            "city": "Coon Rapids",
            "state": "MN",
            "postal_code": "554332522",
            "country_code": "US",
            "telephone_number": "763-236-6000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GENNAOUI",
        "first_name": "GEORGE",
        "middle_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "D.O",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2017-05-11",
        "last_updated": "2026-07-31",
        "certification_date": "2026-07-31",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MN",
            "license": "79972",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "IN",
            "license": "02008468A",
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "MI",
            "license": "5101027962",
            "primary": true
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "OH",
            "license": "34.015633",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "ggennaoui3387183@epic00.corewelldirect.org",
            "affiliation": "N",
            "address_1": "4700 Schaefer Rd Ste 270",
            "city": "Dearborn",
            "state": "MI",
            "country_code": "US",
            "postal_code": "481263743",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Nadia Yousef Gellani
• Siham Gellani, CNM
• Michael Chaouki Gemayel
• Mario Geneau
• Genex Physical Therapy
• Rebecca Gensler, RN, CNS
• Gentle Growth ABA LLC
• Gentle Hands Direct Care Services, Inc.
• Gentle Hearts LLC
• Michael Edward Geoghegan, DO

• Rheumatology Physician in Dearborn, MI
• Providers in Dearborn, MI by specialty
• Rheumatology Physician in Michigan

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 31, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.