What is John Wynsen's specialty?

John Wynsen (NPI 1841231982) is a Medicare-billing provider whose primary specialty is Cardiology in Milwaukee, WI.

Where does John Wynsen practice?

John Wynsen practices in Milwaukee, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1841231982.

How much does Medicare pay John Wynsen?

John Wynsen (NPI 1841231982) received approximately $2K in total Medicare Part B payments, serving 17 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841231982

John WynsenM.D.

PRACTICEMEDICAL COLLEGE OF WISCONSINSee all providers at this practice →

CardiologyMilwaukee, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

Distinct HCPCS

Medicare payment

$1K

Peer benchmark

Total Medicare services vs. 301 Cardiology providers in WI — bottom quintile (cohort median 1,490).

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 · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John Wynsen'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). 58 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ASCENSION SE WISCONSIN HOSPITAL, INC	389	1,069
Benjamin Williams Cardiology · Edina, MN	282	787
David Groden Cardiology · Brookfield, WI	168	552
Ascension Wisconsin Laboratories, Inc Clinical Laboratory · Milwaukee, WI	155	645
ENGLE, DAVID	143	379
FROEDTERT MEMORIAL LUTHERAN HOSPITAL, INC.	60	237
Zakaria Tawadrous Internal Medicine · Chandler, AZ	52	269
Krishna Kumar Interventional Cardiology · Summit, WI	50	102
Timothy Foeller Hospitalist · Bolivia, NC	44	128
Christopher Lieb Internal Medicine · Brookfield, WI	42	151
Hassiba Yahiaoui Family Practice · Milwaukee, WI	41	135
Stephen Handrich Diagnostic Radiology · Greenfield, WI	31	55

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