PROVIDER PROFILE · NPI 1851358972

Catherine KoopM.D.

Internal MedicineOak Park, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

949

Unique beneficiaries

—

Total services

1,157

Distinct HCPCS

Medicare payment

$90K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — above median (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

2,960

Beneficiaries

—

Total drug cost

$100K

Distinct drugs

Brand share

18.4%

Top prescribed drugs

Atorvastatin Calcium217 claims

Amlodipine Besylate209 claims

Levothyroxine Sodium175 claims

Simvastatin128 claims

Escitalopram Oxalate104 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Catherine Koop'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). 20 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Paula Grabler Diagnostic Radiology · Chicago, IL	63	173
Lisa Ravindra Internal Medicine · Oak Park, IL	40	207
Jagadeesh Singh Diagnostic Radiology · Chicago, IL	38	114
NPI 1194783076	33	66
John Meyer Diagnostic Radiology · Chicago, IL	25	61
Naziha Malik Pulmonary Disease · Tulsa, OK	20	89
Ewa Dembowski Cardiology · Mount Prospect, IL	19	47
COURTNEY, JOHN	17	46
Robert Liebman Diagnostic Radiology · Naperville, IL	16	49
Peter Kurko Emergency Medicine · Libertyville, IL	15	40
Nancy Eiseman Emergency Medicine · Lisle, IL	14	45
LOYOLA UNIVERSITY MEDICAL CENTER	13	39

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history