What is Jeffrey Tomaszewski's specialty?

Jeffrey Tomaszewski (NPI 1831150036) is a Medicare-billing provider whose primary specialty is Internal Medicine in Glen Ellyn, IL.

Where does Jeffrey Tomaszewski practice?

Jeffrey Tomaszewski practices in Glen Ellyn, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1831150036.

How much does Medicare pay Jeffrey Tomaszewski?

Jeffrey Tomaszewski (NPI 1831150036) received approximately $54K in total Medicare Part B payments, serving 253 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1831150036

Jeffrey TomaszewskiMD

Internal MedicineGlen Ellyn, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,168

Unique beneficiaries

—

Total services

1,374

Distinct HCPCS

Medicare payment

$48K

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

6,482

Beneficiaries

—

Total drug cost

$298K

Distinct drugs

Brand share

10.4%

Top prescribed drugs

Atorvastatin Calcium602 claims

Rosuvastatin Calcium529 claims

Amlodipine Besylate509 claims

Lisinopril367 claims

Losartan Potassium360 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$32

Payment records

By payment type

Food and Beverage$32

Top paying entities

Food and Beverage$32

REFERRAL NETWORK

Where Jeffrey Tomaszewski'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Laboratory Corporation Of America Clinical Laboratory · Itasca, IL	113	254
CENTRAL DUPAGE HOSPITAL ASSOCIATION	112	297
George Nijmeh Cardiology · Winfield, IL	35	83
Jaime Villanueva Pulmonary Disease · Winfield, IL	27	98
EDWARD HOSPITAL	24	61
Joseph Henske Endocrinology · Little Rock, AR	22	65
Leena Patel Internal Medicine · Glen Ellyn, IL	22	52
Nazia Ayub Hospitalist · Winfield, IL	20	64
Ehsan Safari Diagnostic Radiology · Glen Ellyn, IL	19	35
Yazan Kaakaji Diagnostic Radiology · Naperville, IL	16	28
Sabira Khalil Diagnostic Radiology · Glen Ellyn, IL	14	32
Magdalena Hope Internal Medicine · Glen Ellyn, IL	14	26

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