PROVIDER PROFILE · NPI 1821044587

John HalloranMD

PRACTICEALLEN MEMORIAL HOSPITALSee all providers at this practice →

Diagnostic RadiologyWaterloo, IAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

932

Unique beneficiaries

—

Total services

946

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 239 Diagnostic Radiology providers in IA — bottom quintile (cohort median 4,062).

PRESCRIBING · PART D · 2024

No data available for this provider in 2024.

QUALITY · MIPS · 2024

Final MIPS score

81.6

Quality

83.7

Cost

69.2

Improvement activities

40.0

Promoting interop.

83.0

Payment adjustment

0.28%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$139

Payment records

By payment type

Food and Beverage$139

REFERRAL NETWORK

Where John Halloran'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). 137 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ALLEN MEMORIAL HOSPITAL CORPORATION	1,930	7,450
SURNEDI, MURALI	246	732
Charles Heggen Diagnostic Radiology · Clive, IA	218	690
LIEBSCHER, LAWRENCE	179	505
Pratibha Dua Internal Medicine · Waterloo, IA	174	678
Joud Dib Cardiology · Waterloo, IA	167	478
Ameer Almullahassani Neurology · Fairfield, CA	156	440
Stacey Marlow Fisher Emergency Medicine · Waterloo, IA	149	502
SUNDARAM, KALYANA	146	395
Vara Venkata Padma Ponnada Internal Medicine · Waterloo, IA	142	401
RAECKER, GREG	140	396
Pradeep Ramesh Internal Medicine · Waterloo, IA	137	512

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