What is James Groskreutz's specialty?

James Groskreutz (NPI 1548265127) is a Medicare-billing provider whose primary specialty is Gastroenterology in La Crosse, WI.

Where does James Groskreutz practice?

James Groskreutz practices in La Crosse, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1548265127.

How much does Medicare pay James Groskreutz?

James Groskreutz (NPI 1548265127) received approximately $40K in total Medicare Part B payments, serving 243 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1548265127

James GroskreutzMD

PRACTICEGUNDERSEN CLINIC LTDSee all providers at this practice →

GastroenterologyLa Crosse, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

512

Unique beneficiaries

—

Total services

549

Distinct HCPCS

Medicare payment

$31K

Peer benchmark

Total Medicare services vs. 249 Gastroenterology providers in WI — above median (cohort median 484).

PRESCRIBING · PART D · 2024

Total Rx claims

680

Beneficiaries

—

Total drug cost

$391K

Distinct drugs

Brand share

53.2%

Top prescribed drugs

Peg3350/Sod Sulf,bicarb,cl/Kcl148 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl86 claims

Omeprazole83 claims

Ursodiol58 claims

Mesalamine57 claims

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 James Groskreutz'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). 22 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GUNDERSEN LUTHERAN MEDICAL CENTER INC	532	2,992
EKOBENA, SHERRI	71	117
Daniel Schraith Pathology · La Crosse, WI	54	95
VERNON MEMORIAL HEALTHCARE, INC.	28	71
Richard Wittchow Pathology · La Crosse, WI	23	35
Michael Henry Gastroenterology · La Crosse, WI	21	47
Todd Ebbert Diagnostic Radiology · La Crosse, WI	19	33
WINONA HEALTH SERVICES	19	61
MANSKE, BRIAN	18	35
HAGAN, BRIAN	16	38
Heather Wichman Diagnostic Radiology · La Crosse, WI	16	34
Carl Decker Diagnostic Radiology · Savannah, GA	14	25

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