PROVIDER PROFILE · NPI 1851359103

Eileen CollinsM.D.

PRACTICEWESTSIDE MEDICAL ASSOCS, LTD.See all providers at this practice →

Internal MedicineLombard, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

4,145

Unique beneficiaries

—

Total services

5,606

Distinct HCPCS

Medicare payment

$205K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

6,956

Beneficiaries

—

Total drug cost

$615K

Distinct drugs

116

Brand share

18.5%

Top prescribed drugs

Levothyroxine Sodium594 claims

Atorvastatin Calcium438 claims

Rosuvastatin Calcium330 claims

Amlodipine Besylate316 claims

Losartan Potassium282 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 Eileen Collins'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mary Barton Nurse Practitioner · Lombard, IL	54	178
SCHULTZ, KURT	53	136
GROTELUESCHEN, CATHERINE	52	203
Aheed Siddiqi Diagnostic Radiology · Downers Grove, IL	49	175
Rajeev Bhorade Diagnostic Radiology · Elmhurst, IL	41	130
Peter Yoon Internal Medicine · Deerfield, IL	37	104
Liza Lopez Diagnostic Radiology · Downers Grove, IL	35	101
Laboratory Corporation Of America Clinical Laboratory · Itasca, IL	30	64
Stephen Rowley Interventional Cardiology · Downers Grove, IL	27	102
Peter Kerwin Interventional Cardiology · Downers Grove, IL	26	86
Geoffrey Chun Diagnostic Radiology · Downers Grove, IL	25	81
Donald Steiner Emergency Medicine · Downers Grove, IL	21	54

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