What is Grazyna Siwy's specialty?

Grazyna Siwy (NPI 1447498910) is a Medicare-billing provider whose primary specialty is General Practice in Chicago, IL.

Where does Grazyna Siwy practice?

Grazyna Siwy practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1447498910.

How much does Medicare pay Grazyna Siwy?

Grazyna Siwy (NPI 1447498910) received approximately $18K in total Medicare Part B payments, serving 103 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1447498910

Grazyna SiwyM.D.

PRACTICECOOK COUNTYSee all providers at this practice →

General PracticeChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

102

Unique beneficiaries

—

Total services

218

Distinct HCPCS

Medicare payment

$17K

Peer benchmark

Total Medicare services vs. 77 General Practice providers in IL — below median (cohort median 259).

PRESCRIBING · PART D · 2024

Total Rx claims

2,171

Beneficiaries

—

Total drug cost

$100K

Distinct drugs

Brand share

18.4%

Top prescribed drugs

Atorvastatin Calcium222 claims

Amlodipine Besylate199 claims

Hydrochlorothiazide145 claims

Albuterol Sulfate90 claims

Enalapril Maleate88 claims

QUALITY · MIPS · 2024

Final MIPS score

95.1

Quality

74.7

Cost

85.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.85%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Grazyna Siwy'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). 1 inbound referrers · 2 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Thomas Patrianakos Ophthalmology · Chicago, IL	13	18

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
COOK COUNTY	260	895
Sejal Shah Internal Medicine · Oak Park, IL	55	66

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