What is John Nash's specialty?

John Nash (NPI 1225117245) is a Medicare-billing provider whose primary specialty is Otolaryngology in Fond Du Lac, WI.

Where does John Nash practice?

John Nash practices in Fond Du Lac, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1225117245.

How much does Medicare pay John Nash?

John Nash (NPI 1225117245) received approximately $41K in total Medicare Part B payments, serving 176 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1225117245

John NashM.D.

PRACTICEAGNESIAN HEALTHCARE INCSee all providers at this practice →

OtolaryngologyFond Du Lac, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

340

Unique beneficiaries

—

Total services

378

Distinct HCPCS

Medicare payment

$31K

Peer benchmark

Total Medicare services vs. 166 Otolaryngology providers in WI — above median (cohort median 424).

PRESCRIBING · PART D · 2024

Total Rx claims

387

Beneficiaries

—

Total drug cost

$15K

Distinct drugs

Brand share

9.0%

Top prescribed drugs

Azelastine Hcl80 claims

Ipratropium Bromide54 claims

Fluticasone Propionate44 claims

Prednisolone Acetate35 claims

Omeprazole35 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.

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 520088

Hospital

CCN 521327

Hospital

REFERRAL NETWORK

Where John Nash'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). 4 inbound referrers · 5 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
AGNESIAN HEALTHCARE, INC	90	626
GORMAN, ELIZABETH	17	21
CHANTELOIS, ALLEN	16	19
RIPON MEDICAL CENTER INC	13	31

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
AGNESIAN HEALTHCARE, INC	98	725
Consultants Laboratory Of Wisconsin, Llc Clinical Laboratory · Fond Du Lac, WI	83	240
CAMACHO, DANIEL	13	26
CHANTELOIS, ALLEN	11	17
BOWMAN, DAVID	11	58

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