What is John O'toole's specialty?

John O'toole (NPI 1700968617) is a Medicare-billing provider whose primary specialty is Nephrology in Cleveland, OH.

Where does John O'toole practice?

John O'toole practices in Cleveland, OH, based on the location reported in the CMS Medicare provider datasets for NPI 1700968617.

How much does Medicare pay John O'toole?

John O'toole (NPI 1700968617) received approximately $13K in total Medicare Part B payments, serving 87 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1700968617

John O'tooleMD

NephrologyCleveland, OHI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

Unique beneficiaries

—

Total services

153

Distinct HCPCS

Medicare payment

$11K

Peer benchmark

Total Medicare services vs. 348 Nephrology providers in OH — bottom quintile (cohort median 981).

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 John O'toole'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). 14 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Georges Saab Nephrology · Cleveland, OH	25	99
Ashish Aneja Cardiology · Cleveland, OH	19	74
James Kennen Diagnostic Radiology · Cleveland, OH	19	128
Aleksandr Rovner Cardiology · Cleveland, OH	19	121
Benjamin Kotinsley Diagnostic Radiology · Westlake, OH	17	81
Jill Schieda Diagnostic Radiology · Cleveland, OH	15	52
Mark Dunlap Cardiology · Cleveland, OH	15	86
KONDOW, ALEXANDER	14	43
Edward Horwitz Nephrology · Cleveland, OH	13	76
Elizabeth Kaufman Clinical Cardiac Electrophysiology · Cleveland, OH	12	33
ECKHAUSER, CHRISTINE	12	47
Robert Finkelhor Cardiology · Cleveland, OH	12	40

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