DR. GEORGE BRIAN GENNAOUI D.O
NPI 1861928681
Internal Medicine - Rheumatology in Dearborn, MI

Q: What is George Gennaoui's NPI number?

The NPI number for George Gennaoui is 1861928681. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Q: What is George Gennaoui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Q: When was this NPI record last updated?

The NPPES record for George Gennaoui was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since May 11, 2017PECOS EnrolledAccepts Medicare Assignment

4700 SCHAEFER RD STE 270, DEARBORN, MI 48126(947) 523-4670(313) 943-2915 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 31, 2026, Oct 7, 2025, Sep 18, 2025 and 3 more (6 updates tracked since 2017).

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About Dr. George Brian Gennaoui D.o NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GEORGE BRIAN GENNAOUI D.O (NPI 1861928681) is an individual rheumatology provider in Dearborn, Michigan, licensed in Michigan (5101027962) and active in the NPI registry since May 2017. He is enrolled in Medicare PECOS, is affiliated with Perry County Memorial Hospital, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1861928681

Entity TypeIndividualMale

Primary Taxonomy207RR0500X

Provider Legal NameDR. GEORGE BRIAN GENNAOUICredential: D.O

Location Address4700 SCHAEFER RD STE 270Dearborn, MI 48126-3743

Mailing Address26901 Beaumont Blvd Ste 3dSouthfield, MI 48033-3849

Phone(947) 523-4670

Fax(313) 943-2915

Sole ProprietorNo

Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 2017

Enumeration DateMay 11, 2017

Last NPPES UpdateJuly 31, 20266 updates tracked since enumeration

NPPES CertifiedJuly 31, 2026

✔ NPI 1861928681 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians

Taxonomy Code207RR0500X

Licenses✔ Licensed in MI · 5101027962✔ Licensed in MN · 79972✔ Licensed in IN · 02008468A✔ Licensed in OH · 34.015633

Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

4700 SCHAEFER RD STE 270, Dearborn, MI 48126

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Secondary Practice Locations 2

Location 1200 Elm ST NOnamia, MN 56359-7901 · Phone (320) 532-3154

Location 24050 Coon Rapids Blvd NWCoon Rapids, MN 55433-2522 · Phone (763) 236-6000

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. George Brian Gennaoui D.o is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8224305099

PECOS Enrollment IDI20250820001561, I20251001001283, I20251217004596, I20260428001287

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show George Gennaoui reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Beaumont Medical Group- Specialty Services

13 mi

Surgery

3601 W 13 MILE RD
Royal Oak, MI 48073

Reassigned Medicare billing, Michigan enrollment
1,030 clinicians in this Medicare group

NPI 1578072906 (248) 898-5000

Perry County Memorial Hospital

354 mi

Ambulance

8885 STATE ROAD 237
Tell City, IN 47586

Reassigned Medicare billing, Indiana enrollment
Also billed through NPI 1629621396 (Indiana)
13 clinicians in this Medicare group

NPI 1356309777 (812) 547-7011

Christiana Care Health Services, Inc

428 mi

Family Medicine

722 YORKLYN RD STE 400
Hockessin, DE 19707

Reassigned Medicare billing, Delaware enrollment
1,531 clinicians in this Medicare group

NPI 1134104565 (302) 235-2351

Allina Health System

515 mi

Internal Medicine

1175 NININGER RD
Hastings, MN 55033

Reassigned Medicare billing, Minnesota enrollment
3,733 clinicians in this Medicare group

NPI 1881118149 (651) 480-4100

Healtheast Medical Research Institute

519 mi

Family Medicine

2900 CURVE CREST BLVD
Stillwater, MN 55082

Reassigned Medicare billing, Minnesota and Michigan enrollments
Also billed through NPI 1508191552 (Michigan)
2,361 clinicians in this Medicare group

NPI 1285929265 (651) 471-5600

Fairview Express Care

520 mi

Pediatric Rehabilitation Medicine

9680 TAMARACK RD, SUITE 130
Woodbury, MN 55125

Reassigned Medicare billing, Minnesota and Michigan enrollments
Also billed through NPI 1831707207 (Michigan)
3,633 clinicians in this Medicare group

NPI 1700235587 (612) 273-1172

Healtheast Woodwinds Hospital

523 mi

General Acute Care Hospital

1925 WOODWINDS DR
Woodbury, MN 55125

Reassigned Medicare billing, Minnesota enrollment
955 clinicians in this Medicare group

NPI 1356309322 (651) 232-0100

Fairview Clinics

527 mi

Primary Care

15075 CIMARRON AVE
Rosemount, MN 55068

Reassigned Medicare billing, Minnesota enrollment
2,302 clinicians in this Medicare group

NPI 1952548109 (651) 322-8800

Healtheast St. John's Hospital

528 mi

General Acute Care Hospital

1575 BEAM AVE
Maplewood, MN 55109

Reassigned Medicare billing, Minnesota enrollment
1,178 clinicians in this Medicare group

NPI 1447218482 (651) 232-7000

Fairview Health Services

533 mi

General Acute Care Hospital

5200 FAIRVIEW BLVD
Wyoming, MN 55092

Reassigned Medicare billing, Minnesota enrollment
4,038 clinicians in this Medicare group

NPI 1083692941 (651) 982-7000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, denosumab, 1 mg J0897

Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.

1,500 services17 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

328 services152 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

163 services108 patients

Injection, betamethasone acetate 3 mg and betamethasone sodium phosphate 3 mg J0702

This injection contains two medications, betamethasone acetate and betamethasone sodium phosphate. It is used to reduce inflammation and pain. It's given by a healthcare professional, often directly into the area causing discomfort.

142 services43 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

79 services79 patients

X-ray of hand, 2 views 73120

An X-ray of the hand, 2 views, is a non-invasive imaging test that uses a small amount of radiation to produce pictures of the bones in your hand. Two different angles are captured to provide a comprehensive view. This helps in diagnosing injuries or conditions affecting your hand.

66 services38 patients

Administration of chemotherapy into vein, 1 hour or less 96413

Chemotherapy is a treatment that uses drugs to destroy cancer cells. When administered into a vein, it's often through an IV. This procedure usually lasts 1 hour or less. You may feel a slight pinch as the needle is inserted, but it's generally painless.

60 services12 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

54 services14 patients

X-ray of shoulder, minimum of 2 views 73030

An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.

51 services32 patients

Aspiration and/or injection of fluid from large joint 20610

This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.

49 services36 patients

X-ray of knee, 3 views 73562

An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.

35 services23 patients

Injection of drug or substance under skin or into muscle 96372

This procedure involves administering medication directly under the skin or into a muscle. A small needle is used to inject the drug, allowing it to be absorbed quickly into the bloodstream. It's a common method for delivering a variety of medications.

35 services18 patients

Dxa bone density measurement of hip, pelvis, spine 77080

A DXA bone density measurement is a simple, quick, and non-invasive procedure that assesses the strength of your bones. This test uses X-rays to measure the amount of minerals, mainly calcium, in the hip, pelvis, and spine. It helps in early detection of osteoporosis or other bone diseases.

18 services18 patients

X-ray of chest, 2 views 71046

A chest X-ray, 2 views, is a quick, painless test that creates pictures of the structures inside your chest, such as your heart, lungs, and blood vessels. Two different angles are used to get a comprehensive view. This helps in diagnosing conditions like pneumonia, heart problems, or lung cancer.

17 services17 patients

X-ray of lower and sacral spine, 2-3 views 72100

An X-ray of the lower and sacral spine involves capturing images of your lower back area, including the tailbone. This procedure helps in identifying problems like fractures, infections, or deformities. 2-3 different angle views provide a comprehensive picture.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Perry County Memorial Hospital

Critical Access Hospitals · Tell City, IN

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number151322

Location8885 Sr 237Tell City, IN 47586 · Perry County

Emergency services

Beaumont Hospital - Dearborn

Acute Care Hospitals · Dearborn, MI

1/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230020

Location18101 Oakwood BlvdDearborn, MI 48124 · Wayne County

Emergency services Birthing friendly

Beaumont Hospital - Taylor

Acute Care Hospitals · Taylor, MI

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230270

Location10000 Telegraph RoadTaylor, MI 48180 · Wayne County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 48126 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$134.28 typical visit price

range $58.04 – $177.36

Typical copayment $33.57 (range $14.51 – $44.34)

Most-billed visit code 99204

Established Patient

$102.35 typical visit price

range $18.32 – $143.49

Typical copayment $25.58 (range $4.58 – $35.87)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Paraffin bath unit, portable (see medical supply code a4265 for paraffin) E0235

DME-Other DME · category DE000N

1 supplier12 claims12 services$9.54 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

ASHBINA POKHAREL MD

Internal Medicine (Rheumatology)

4700 SCHAEFER RD STE 270
DEARBORN, MI 48126

Wayne County (947) 523-4670

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is George Gennaoui's NPI number?

The NPI number for George Gennaoui is 1861928681. It was assigned to this individual provider in the NPPES registry on May 11, 2017.

Where is George Gennaoui located?

George Gennaoui practices at 4700 Schaefer Rd Ste 270, Dearborn, MI 48126. The listed phone number is (947) 523-4670.

What is George Gennaoui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is George Gennaoui enrolled in Medicare?

Yes. George Gennaoui is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for George Gennaoui's services?

According to the CMS Revalidation Reassignment List (October 2026 release), George Gennaoui reassigns Medicare benefits to 13 organizations: Beaumont Medical Group- Specialty Services (Royal Oak, MI), Perry County Memorial Hospital (Tell City, IN), Christiana Care Health Services, Inc (Hockessin, DE), Allina Health System (Hastings, MN), Healtheast Medical Research Institute (Stillwater, MN) and 8 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for George Gennaoui's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does George Gennaoui accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 6 other insurers list George Gennaoui as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is George Gennaoui affiliated with any hospitals?

According to CMS data, George Gennaoui is affiliated with Perry County Memorial Hospital, Beaumont Hospital - Dearborn and Beaumont Hospital - Taylor.

When was this NPI record last updated?

The NPPES record for George Gennaoui was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.