Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Masha Chizhik

Individual provider Physician Assistant · NPI 1841614666

Masha Chizhik is a Physician Assistant in Chicago, Illinois. Qualified in 2013, 13 years ago. Practices with Oak Street Health Physicians Group PC, a 234-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
13
Licensed in
IL
In the registry since
2014
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Practice location Address checks out

1541 W Devon Ave
Chicago, IL 60660-1313
Phone: (773) 250-5222
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085.004920 (IL)

Record details

NPI number1841614666
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedFebruary 13, 2014
Last updated in NPPESSeptember 18, 2025
Certification dateSeptember 18, 2025
Mailing addressPo Box 746715, Atlanta, GA 30374-6715

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Oak Street Health Physicians Group Pc — 234 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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