PROVIDER PROFILE · NPI 1578550281

John MerfeldM.D.

Family PracticeLa Crosse, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

261

Unique beneficiaries

—

Total services

403

Distinct HCPCS

Medicare payment

$28K

Peer benchmark

Total Medicare services vs. 2,096 Family Practice providers in WI — below median (cohort median 478).

PRESCRIBING · PART D · 2024

Total Rx claims

1,454

Beneficiaries

—

Total drug cost

$123K

Distinct drugs

Brand share

17.7%

Top prescribed drugs

Atorvastatin Calcium131 claims

Amlodipine Besylate107 claims

Lisinopril100 claims

Omeprazole88 claims

Metoprolol Succinate68 claims

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 Merfeld'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). 31 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jeffry Degenhardt Pathology · La Crosse, WI	86	294
Katrin Tsigonis Family Practice · La Crosse, WI	66	405
COWAN, KAREN	60	424
Edward Malone Family Practice · La Crosse, WI	59	227
OLSON, CHERI	54	245
Jonathan Uy Diagnostic Radiology · La Crosse, WI	54	259
Richard Ellis Diagnostic Radiology · La Crosse, WI	54	186
BARTOS, CRAIG	53	278
Janel Glantz Diagnostic Radiology · La Crosse, WI	42	142
Annette Faller Internal Medicine · Holmen, WI	42	130
Judson Frye Diagnostic Radiology · La Crosse, WI	41	131
NELSON, MARTIN	40	182

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