What is Janis Wiener's specialty?

Janis Wiener (NPI 1750315586) is a Medicare-billing provider whose primary specialty is Internal Medicine in Oak Park, IL.

Where does Janis Wiener practice?

Janis Wiener practices in Oak Park, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1750315586.

How much does Medicare pay Janis Wiener?

Janis Wiener (NPI 1750315586) received approximately $85K in total Medicare Part B payments, serving 344 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1750315586

Janis WienerMD

PRACTICEFAMILY MEDICAL CARE, LTDSee all providers at this practice →

Internal MedicineOak Park, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

801

Unique beneficiaries

—

Total services

1,240

Distinct HCPCS

Medicare payment

$82K

Peer benchmark

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

PRESCRIBING · PART D · 2024

Total Rx claims

9,243

Beneficiaries

—

Total drug cost

$671K

Distinct drugs

141

Brand share

19.4%

Top prescribed drugs

Atorvastatin Calcium870 claims

Amlodipine Besylate565 claims

Lisinopril361 claims

Losartan Potassium357 claims

Levothyroxine Sodium349 claims

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 Janis Wiener'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
GOTTLIEB COMMUNITY HEALTH SERVICES CORPORATION	147	588
CML-CHICAGO MARKET LABS, INC.	118	327
David Cusick Cardiology · Berwyn, IL	39	145
Christopher Bane Interventional Cardiology · Berwyn, IL	30	109
Reeni Karavattuveetil Diagnostic Radiology · Berwyn, IL	30	77
NAGAMINE, WAYDE	26	66
CENTRAL DUPAGE HOSPITAL ASSOCIATION	25	53
Mark Hroncich Internal Medicine · Berwyn, IL	23	94
Charles Kinder Clinical Cardiac Electrophysiology · Berwyn, IL	20	61
City Of Chicago Ambulance Service Provider · Chicago, IL	15	49
LOYOLA UNIVERSITY MEDICAL CENTER	12	80
Steve Michel Internal Medicine · Oak Park, IL	12	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