What is Gerald Simon's specialty?

Gerald Simon (NPI 1861450330) is a Medicare-billing provider whose primary specialty is Internal Medicine in Countryside, IL.

Where does Gerald Simon practice?

Gerald Simon practices in Countryside, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1861450330.

How much does Medicare pay Gerald Simon?

Gerald Simon (NPI 1861450330) received approximately $349K in total Medicare Part B payments, serving 619 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1861450330

Gerald SimonMD

PRACTICENANI INTERNAL MED LLCSee all providers at this practice →

Internal MedicineCountryside, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,958

Unique beneficiaries

—

Total services

5,242

Distinct HCPCS

Medicare payment

$336K

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

13,506

Beneficiaries

—

Total drug cost

$1.3M

Distinct drugs

173

Brand share

22.2%

Top prescribed drugs

Atorvastatin Calcium798 claims

Levothyroxine Sodium548 claims

Apixaban539 claims

Amlodipine Besylate457 claims

Metoprolol Tartrate395 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$1K

Payment records

By payment type

Food and Beverage$1K

Education$97

Top paying entities

Food and Beverage$1K

Education$97

REFERRAL NETWORK

Where Gerald Simon'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). 88 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
ADVENTIST MIDWEST HEALTH	439	2,763
ADVENTIST MIDWEST HEALTH	310	1,759
Carolyn Rea Internal Medicine · Woodridge, IL	106	530
Karen Botsoe Internal Medicine · Chicago, IL	98	556
Iffat Ahmed Internal Medicine · Naperville, IL	96	442
Barbara Kopchak Nurse Practitioner · Carol Stream, IL	93	391
Dana Bussing Physical Medicine and Rehabilitation · Westmont, IL	85	1,890
Paul Freier Internal Medicine · Hinsdale, IL	70	291
Superior Air-Ground Ambulance Service, Inc Ambulance Service Provider · Elmhurst, IL	68	286
Vladislav Gorengaut Diagnostic Radiology · La Grange, IL	63	250
SCHULTZ, KURT	61	308
OPERCHAL, JUDITH	60	262

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