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PROVIDER PROFILE · NPI 1770600462

John GribarM.D., M HSC.

PRACTICEEPI PCSee all providers at this practice →
Interventional CardiologyHolland, MII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
3,938
Beneficiaries
—
Total drug cost
$821K
Distinct drugs
34
Brand share
31.4%
Top prescribed drugs
Rosuvastatin Calcium443 claims
Atorvastatin Calcium359 claims
Carvedilol283 claims
Empagliflozin267 claims
Metoprolol Succinate222 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$280
Payment records
11
By payment type
Food and Beverage$280
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
575
Unique beneficiaries
—
Total services
602
Distinct HCPCS
15
Medicare payment
$32K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 141 Interventional Cardiology providers in MI — below median (cohort median 1,616).
REFERRAL NETWORK

Where John Gribar'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). 33 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
William Frauenheim
Cardiology · Holland, MI
94272
Stephen Mauger
Hospitalist · Midland, MI
88311
SPECTRUM HEALTH PRIMARY CARE PARTNERS85162
Gregory Bernath
Interventional Cardiology · Naples, FL
62161
Bartholomew Sak
Internal Medicine · Muskegon, MI
55178
Gerald Perriguey
Diagnostic Radiology · Holland, MI
55137
ZEELAND COMMUNITY HOSPITAL54134
NPI 11048487125396
Lynn Cronin
Cardiology · Norfolk, VA
50123
Jennifer Bhunpaen
Internal Medicine · Holland, MI
50180
Ellen Jansyn
Internal Medicine · Holland, MI
48116
Edward Maas
Diagnostic Radiology · Holland, MI
44102
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.