NPPES file of Aug 9, 2026

Masha Chizhik

Physician Assistant · Chicago, IL

Masha Chizhik is a physician assistant with a practice address in Chicago, Illinois, and NPI 1841614666, issued on Feb 13, 2014. Check the license (Illinois 085.004920, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1841614666
Name
Masha Chizhik
Primary taxonomy
Physician Assistant 363A00000X
License number
085.004920 IL
Self-reported in NPPES; status is on the state search
Practice location
1541 W Devon Ave, Chicago, IL 60660
Phone
(773) 250-5222
Enumerated
Feb 13, 2014
Record last updated
Sep 18, 2025
Medicare enrollment
Enrolled (PECOS I20140818002139); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1541 W Devon Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jill DegenPsychiatric/Mental Health Nurse Practitioner1811292717
  2. Emma FloresClinical Social Worker1104686922
  3. Debra Fox, FNPFamily Nurse Practitioner1538316641
  4. Elfega Gomez, FNPFamily Nurse Practitioner1750888541
  5. Andrea Khosropour, MDFamily Medicine Physician1689802340
  6. Gianna Martelli, LCSWClinical Social Worker1013574656

Verify Masha Chizhik in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 085.004920
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Illinois license search

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7.0 times the Medicare Part D claims of the average physician assistant in 2024

5,844 Medicare Part D claims for 480 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 123 claims were for opioids.

  1. Masha Chizhik5,844
  2. Specialty average830

Most prescribed

  1. Atorvastatin Calcium504 claims
  2. Amlodipine Besylate325 claims
  3. Metformin Hcl224 claims
  4. Lisinopril215 claims
  5. Metoprolol Succinate197 claims
  6. Losartan Potassium156 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $22.85

1 payment: food and beverage; the largest payer was Exact Sciences Corporation. The 64,719 providers of this specialty with any payment received $841.65 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Masha Chizhik$22.85
  2. Specialty average$841.65

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Oak Street Health Physicians Group PCChicago, IL

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

1,445 physician assistant records list a practice address in Chicago

They are 1,445 of the 63,379 NPPES records with a practice address in Chicago, and 4,926 physician assistant records in Illinois.

Other physician assistant records in Illinois

  1. Brooke Aarhus, PA-CPark Ridge, IL1760985469
  2. Sana Abbasi, PACarol Stream, IL1831803295
  3. Susan Abbinanti, PA-CElk Grove Village, IL1679647358
  4. Katheryn Abbott, PASchaumburg, IL1356842082
  5. Noor Abdelrahman, PA-CChicago, IL1851012413
  6. Amer Abdulghafoor, MSW, MS, PA-CChicago, IL1619401718
  7. Kazuko Abe, P.A.Chicago, IL1881840783
  8. Greta Abel, PA-CWheaton, IL1174844096
  9. Derrik AbellAnna, IL1821618471
  10. Jeanine Aberbook, PA-CChicago, IL1518664176

Common questions

What is Masha Chizhik's NPI number?

Masha Chizhik's National Provider Identifier (NPI) is 1841614666, issued on Feb 13, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Masha Chizhik located?

The NPPES record lists a practice address at 1541 W Devon Ave, Chicago, IL, 60660. Phone: (773) 250-5222. Providers update this record themselves, so call before visiting.

How can I verify Masha Chizhik's license?

NPPES lists Illinois license number 085.004920, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Masha Chizhik prescribe under Medicare Part D?

In 2024, Masha Chizhik had 5,844 Medicare Part D claims for 480 beneficiaries; the average among physician assistant prescribers was 830. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.