PROVIDER PROFILE · NPI 1477558450

George GrunbergerMD

Internal MedicineBloomfield Hills, MII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,099

Unique beneficiaries

—

Total services

2,510

Distinct HCPCS

Medicare payment

$99K

Peer benchmark

Total Medicare services vs. 3,459 Internal Medicine providers in MI — top quintile (cohort median 549).

PRESCRIBING · PART D · 2024

Total Rx claims

1,518

Beneficiaries

—

Total drug cost

$1.2M

Distinct drugs

Brand share

69.3%

Top prescribed drugs

Tirzepatide200 claims

Metformin Hcl200 claims

Semaglutide82 claims

Dapagliflozin Propanediol79 claims

Empagliflozin76 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$93K

Payment records

193

By payment type

Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$77K

Travel and Lodging$9K

Food and Beverage$4K

Consulting Fee$3K

Compensation for serving as faculty or as a speaker for a medical education program$250

REFERRAL NETWORK

Where George Grunberger's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 12 inbound referrers · 19 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ST JOSEPH MERCY HOSPITAL-SMHC	67	201
Anjana Myneni Endocrinology · Bloomfield Hills, MI	56	160
AMAN, LINDA	45	128
Biotech Clinical Laboratories Inc Clinical Laboratory · Novi, MI	27	94
MCLAREN OAKLAND	20	74
WILLIAM BEAUMONT HOSPITAL	17	39
Kiritkumar Patel Cardiology · Bloomfield Hills, MI	16	71
ASCENSION ST JOHN HOSPITAL	15	48
William Wilkinson Ophthalmology · Pontiac, MI	13	25
HENRY FORD HEALTH SYSTEM	11	34
HENRY FORD HEALTH SYSTEM	11	31
ASCENSION PROVIDENCE ROCHESTER HOSPITAL	11	24

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
ST JOSEPH MERCY HOSPITAL-SMHC	65	172
AMAN, LINDA	64	217
Anjana Myneni Endocrinology · Bloomfield Hills, MI	61	163
WILLIAM BEAUMONT HOSPITAL	59	200
Quest Diagnostics Llc Il Clinical Laboratory · Wood Dale, IL	39	89
REGENTS OF THE UNIVERSITY OF MICHIGAN	29	120
Biotech Clinical Laboratories Inc Clinical Laboratory · Novi, MI	21	48
MCLAREN OAKLAND	20	67
Triad Diagnostic Technologies, Llc. Independent Diagnostic Testing Facility (IDTF) · Farmington Hills, MI	17	71
Michele Degregorio Interventional Cardiology · Bloomfield Hills, MI	16	39
WILLIAM BEAUMONT HOSPITAL	15	39
Kiritkumar Patel Cardiology · Bloomfield Hills, MI	13	45

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history