What is Kareen Simpson's specialty?

Kareen Simpson (NPI 1780663963) is a Medicare-billing provider whose primary specialty is Nephrology in Chicago, IL.

Where does Kareen Simpson practice?

Kareen Simpson practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1780663963.

How much does Medicare pay Kareen Simpson?

Kareen Simpson (NPI 1780663963) received approximately $222K in total Medicare Part B payments, serving 272 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Top paying entities

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events