What is David Mcmahon's specialty?

David Mcmahon (NPI 1457662249) is a Medicare-billing provider whose primary specialty is Psychiatry in Green Bay, WI.

Where does David Mcmahon practice?

David Mcmahon practices in Green Bay, WI, based on the location reported in the CMS Medicare provider datasets for NPI 1457662249.

How much does Medicare pay David Mcmahon?

David Mcmahon (NPI 1457662249) received approximately $31K in total Medicare Part B payments, serving 73 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1457662249

David McmahonDO

PRACTICEBELLIN PSYCHIATRIC CENTERSee all providers at this practice →

PsychiatryGreen Bay, WII

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

132

Unique beneficiaries

—

Total services

421

Distinct HCPCS

Medicare payment

$27K

Peer benchmark

Total Medicare services vs. 375 Psychiatry providers in WI — top quintile (cohort median 210).

PRESCRIBING · PART D · 2024

Total Rx claims

1,912

Beneficiaries

—

Total drug cost

$313K

Distinct drugs

Brand share

22.6%

Top prescribed drugs

Aripiprazole118 claims

Buspirone Hcl114 claims

Quetiapine Fumarate107 claims

Duloxetine Hcl89 claims

Trazodone Hcl89 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$2K

Payment records

100

By payment type

Food and Beverage$2K

Education$227

Top paying entities

Food and Beverage$2K

Education$227

REFERRAL NETWORK

Where David Mcmahon'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). 2 inbound referrers · 4 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
CHARLES, JOHN	12	27
BAYCARE AURORA, LLC	11	31

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
BELLIN PSYCHIATRIC CENTER INC	29	70
BELLIN MEMORIAL HOSPITAL INC.	28	98
Daniel Lemkuil Family Practice · Green Bay, WI	19	37
Tamara Baldwin Nurse Practitioner · Green Bay, WI	16	30

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