PROVIDER PROFILE · NPI 1780663963

Kareen SimpsonM.D.

NephrologyChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

556

Unique beneficiaries

—

Total services

1,574

Distinct HCPCS

Medicare payment

$218K

Peer benchmark

Total Medicare services vs. 404 Nephrology providers in IL — above median (cohort median 1,672).

PRESCRIBING · PART D · 2024

Total Rx claims

1,170

Beneficiaries

—

Total drug cost

$308K

Distinct drugs

Brand share

20.3%

Top prescribed drugs

Sevelamer Carbonate262 claims

Hydralazine Hcl79 claims

Carvedilol63 claims

Furosemide62 claims

Amlodipine Besylate57 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$377

Payment records

By payment type

Food and Beverage$377

REFERRAL NETWORK

Where Kareen Simpson'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). 89 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
City Of Chicago Ambulance Service Provider · Chicago, IL	194	475
Richard Hong Nephrology · Munster, IN	102	264
RAGHAVAN, VINITHA	100	348
Ari Mintz Diagnostic Radiology · Chicago, IL	94	445
Imran Ali Cardiology · Chicago, IL	94	316
Nimeet Brahmbhatt Nephrology · Chicago, IL	93	297
Richard Bauer Diagnostic Radiology · Highland Park, IL	89	278
Vincent Rowley Diagnostic Radiology · St Petersburg, FL	86	302
FRESENIUS MEDICAL CARE CHICAGOLAND, LLC	66	712
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	64	148
Spectra East, Inc. Clinical Laboratory · Rockleigh, NJ	62	321
CONCERTO DIALYSIS LLC	48	327

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