What is John Merfeld's specialty?

John Merfeld (NPI 1578550281) is a Medicare-billing provider whose primary specialty is Family Practice in La Crosse, WI.

Where does John Merfeld practice?

John Merfeld practices in La Crosse, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1578550281.

How much does Medicare pay John Merfeld?

John Merfeld (NPI 1578550281) received approximately $30K in total Medicare Part B payments, serving 157 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

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

Healthparse Signals

Monitor this provider for changes — dated NPI change events