What is John Croghan's specialty?

John Croghan (NPI 1790724060) is a Medicare-billing provider whose primary specialty is Internal Medicine in Winnetka, IL.

Where does John Croghan practice?

John Croghan practices in Winnetka, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1790724060.

How much does Medicare pay John Croghan?

John Croghan (NPI 1790724060) received approximately $192K in total Medicare Part B payments, serving 193 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1790724060

John CroghanM.D.

PRACTICEDEDICATION HEALTH LLCSee all providers at this practice →

Internal MedicineWinnetka, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,097

Unique beneficiaries

—

Total services

4,566

Distinct HCPCS

Medicare payment

$177K

Peer benchmark

Total Medicare services vs. 3,790 Internal Medicine providers in IL — top quintile (cohort median 760).

PRESCRIBING · PART D · 2024

Total Rx claims

3,264

Beneficiaries

—

Total drug cost

$348K

Distinct drugs

Brand share

13.8%

Top prescribed drugs

Atorvastatin Calcium241 claims

Levothyroxine Sodium225 claims

Amlodipine Besylate210 claims

Pantoprazole Sodium159 claims

Rosuvastatin Calcium150 claims

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 Croghan'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ENDEAVOR HEALTH CLINICAL OPERATIONS	276	1,388
Glynn Elliott Internal Medicine · Wilmette, IL	80	480
Rajesh Jindal Internal Medicine · Wilmette, IL	76	409
Steven Mershon Psychiatry & Neurology · Glenview, IL	35	93
Village Of Glenview Ambulance Service Provider · Glenview, IL	32	88
Christopher Kay Diagnostic Radiology · Evanston, IL	30	71
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	25	72
PRESENCE CHICAGO HOSPITALS NETWORK	23	83
PANELLA, JOSEPH	21	57
Gary Turkel Diagnostic Radiology · Maywood, IL	20	50
David Ecanow Diagnostic Radiology · Highland Park, IL	15	24
Matthew Walker Diagnostic Radiology · Evanston, IL	13	31

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