What is Masha Chizhik's specialty?

Masha Chizhik (NPI 1841614666) is a Medicare-billing provider whose primary specialty is Physician Assistant in Chicago, IL.

Where does Masha Chizhik practice?

Masha Chizhik practices in Chicago, IL, based on the location reported in the CMS Medicare provider datasets for NPI 1841614666.

How much does Medicare pay Masha Chizhik?

Masha Chizhik (NPI 1841614666) received approximately $12K in total Medicare Part B payments, serving 90 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1841614666

Masha Chizhik

PRACTICEOAK STREET HEALTH: EDGEWATERSee all providers at this practice →

Physician AssistantChicago, ILI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

141

Unique beneficiaries

—

Total services

197

Distinct HCPCS

Medicare payment

$8K

Peer benchmark

Total Medicare services vs. 3,282 Physician Assistant providers in IL — above median (cohort median 232).

PRESCRIBING · PART D · 2024

Total Rx claims

5,315

Beneficiaries

—

Total drug cost

$646K

Distinct drugs

Brand share

21.1%

Top prescribed drugs

Atorvastatin Calcium504 claims

Amlodipine Besylate325 claims

Metformin Hcl224 claims

Lisinopril215 claims

Metoprolol Succinate197 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 Masha Chizhik'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). 3 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Eduard Zinger Internal Medicine · Lincolnwood, IL	82	235
Natalya Vladimirskiy Internal Medicine · Chicago, IL	38	98
Simple Laboratories Llc Clinical Laboratory · Harwood Heights, IL	35	117

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