What is John Mahoney's specialty?

John Mahoney (NPI 1821076845) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in South Weymouth, MA.

Where does John Mahoney practice?

John Mahoney practices in South Weymouth, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1821076845.

How much does Medicare pay John Mahoney?

John Mahoney (NPI 1821076845) received approximately $113K in total Medicare Part B payments, serving 3,034 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1821076845

John MahoneyMD

PRACTICESOUTH SHORE HOSPITALSee all providers at this practice →

Diagnostic RadiologySouth Weymouth, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,856

Unique beneficiaries

—

Total services

3,965

Distinct HCPCS

Medicare payment

$109K

Peer benchmark

Total Medicare services vs. 1,146 Diagnostic Radiology providers in MA — above median (cohort median 2,596).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

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 Mahoney'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). 202 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
SOUTH SHORE HOSPITAL INC.	2,062	5,037
Robert Gore Diagnostic Radiology · South Weymouth, MA	449	1,060
Harbor Medical Associates, Inc. Clinical Laboratory · South Weymouth, MA	338	1,425
Stephen Bliss Diagnostic Radiology · Los Angeles, CA	318	735
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	303	623
FALLON EMERGENCY MEDICAL SERVICES, INC.	257	422
James Strain Diagnostic Radiology · Weymouth, MA	246	563
KELLEY, RUSSELL	246	476
Ori Preis Diagnostic Radiology · Boston, MA	210	463
BEZREH, JAMES	209	406
Rafael Altieri Diagnostic Radiology · South Weymouth, MA	206	425
James Suojanen Diagnostic Radiology · South Weymouth, MA	195	394

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