What is Colm Mcmahon's specialty?

Colm Mcmahon (NPI 1437391588) is a Medicare-billing provider whose primary specialty is Diagnostic Radiology in Boston, MA.

Where does Colm Mcmahon practice?

Colm Mcmahon practices in Boston, MA, based on the location reported in the CMS Medicare provider datasets for NPI 1437391588.

How much does Medicare pay Colm Mcmahon?

Colm Mcmahon (NPI 1437391588) received approximately $131K in total Medicare Part B payments, serving 2,165 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1437391588

Colm McmahonMB BAO BCH

Diagnostic RadiologyBoston, MAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,416

Unique beneficiaries

—

Total services

3,702

Distinct HCPCS

Medicare payment

$123K

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 · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Colm 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). 111 inbound referrers · 220 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.	205	352
Ronald Eisenberg Diagnostic Radiology · Boston, MA	184	276
NI MHUIRCHEARTAIGH, JENNIFER	131	160
Quest Diagnostics Massachusetts Llc Clinical Laboratory · Marlborough, MA	113	166
Robert Glen Davis Orthopedic Surgery · Boston, MA	109	247
Jim Wu Diagnostic Radiology · Boston, MA	102	144
Tamara Rozental Hand Surgery · Boston, MA	96	259
Sejal Shah Diagnostic Radiology · Dallas, TX	93	148
Alexander Bankier Diagnostic Radiology · Worcester, MA	93	146
Paul Spirn Diagnostic Radiology · Boston, MA	89	146
Elisa Flower Diagnostic Radiology · Boston, MA	81	113
Edward Rodriguez Orthopedic Surgery · Boston, MA	81	209

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
BETH ISRAEL DEACONESS MEDICAL CENTER, INC.	1,701	4,213
Ronald Eisenberg Diagnostic Radiology · Boston, MA	158	275
Jim Wu Diagnostic Radiology · Boston, MA	143	195
Cataldo Ambulance Service Inc Ambulance Service Provider · Somerville, MA	140	184
AYRES, DOUGLAS	136	331
BETH ISRAEL DEACONESS HOSPITAL-NEEDHAM, INC.	127	198
Paul Appleton Orthopedic Surgery · Boston, MA	121	254
UMASS MEMORIAL HEALTH-HARRINGTON HOSPITAL INC	114	246
LIFELINE AMBULANCE SERVICE, LLC	108	154
Mary Hochman Diagnostic Radiology · Boston, MA	106	125
NI MHUIRCHEARTAIGH, JENNIFER	102	118
FALLON SERVICE, INC.	96	149

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