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PROVIDER PROFILE · NPI 1487693610

Gary GruberM.D.

PRACTICENORTHWESTERN INTERNISTS, LTDSee all providers at this practice →
Internal MedicineChicago, ILI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
95.2
Quality
83.0
Cost
0.0
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.85%
APM Entity
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,559
Unique beneficiaries
—
Total services
1,889
Distinct HCPCS
14
Medicare payment
$154K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
4,898
Beneficiaries
—
Total drug cost
$265K
Distinct drugs
74
Brand share
10.5%
Top prescribed drugs
Atorvastatin Calcium721 claims
Amlodipine Besylate402 claims
Levothyroxine Sodium368 claims
Rosuvastatin Calcium273 claims
Losartan Potassium231 claims
REFERRAL NETWORK

Where Gary Gruber'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). 5 inbound referrers · 7 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
NORTHWESTERN MEMORIAL HEALTHCARE153724
REHABILITATION INSTITUTE OF CHICAGO15102
WIGGINS, CAROLYN1239
DAVISON, RICHARDO1245
Ronald Hendrix
Diagnostic Radiology · Chicago, IL
1128
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
NORTHWESTERN MEMORIAL HEALTHCARE2231,675
MILLER, JOHN1746
REHABILITATION INSTITUTE OF CHICAGO1594
STRIMLING, ARNOLD1544
DAVISON, RICHARDO1355
Robert Nadler
Urology · Springfield, IL
1384
Kari Chase
Podiatry · Evanston, IL
1121
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.