What is Karen Fitzsimmons's specialty?

Karen Fitzsimmons (NPI 1821099490) is a Medicare-billing provider whose primary specialty is Pathology in Davenport, IA.

Where does Karen Fitzsimmons practice?

Karen Fitzsimmons practices in Davenport, IA, based on the location reported in the CMS Medicare provider datasets for NPI 1821099490.

How much does Medicare pay Karen Fitzsimmons?

Karen Fitzsimmons (NPI 1821099490) received approximately $36K in total Medicare Part B payments, serving 535 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821099490

Karen FitzsimmonsMD

PRACTICEGENVENTURES, INCSee all providers at this practice →

PathologyDavenport, IAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

639

Unique beneficiaries

—

Total services

1,218

Distinct HCPCS

Medicare payment

$33K

Peer benchmark

Total Medicare services vs. 124 Pathology providers in IA — below median (cohort median 1,781).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Karen Fitzsimmons'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). 45 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GENESIS HEALTH SYSTEM	118	201
METROPOLITAN MEDICAL LABORATORY, PLC	107	270
Gengastro Llc Ambulatory Surgical Center · Bettendorf, IA	107	200
William Davidson Internal Medicine · Bettendorf, IA	61	220
ROGERS, JOHN	59	88
Christine Walsh Diagnostic Radiology · Iowa City, IA	58	97
Mouhamed Al Sheikha Nephrology · Davenport, IA	54	85
Dietrich Gerhardt Diagnostic Radiology · Davenport, IA	53	93
Jeffrey Goree Diagnostic Radiology · Davenport, IA	49	69
PERRY, SUSAN	45	106
KETELAAR, MATTHEW	45	63
Edmund Coyne Cardiology · Davenport, IA	38	66

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