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

Megan Marie O'Brien, PA-C

Individual provider Physician Assistant · NPI 1447739255

Megan Marie O'Brien, PA-C is a Physician Assistant in Chicago, Illinois. Qualified in 2018, 8 years ago. Practices with The University of Chicago Medical Center, a 909-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
8
Licensed in
IL
In the registry since
2018
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

See every abbreviation used in this directory →

Practice location Address checks out

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone: (773) 702-1000
Fax: (919) 350-7633
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 085010048 (IL)

Record details

NPI number1447739255
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedAugust 13, 2018
Last updated in NPPESMarch 20, 2024
Certification dateMarch 20, 2024

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice The University Of Chicago Medical Center — 909 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at The University of Chicago Medical Center

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 909 clinicians in the practice; 12 are shown here.

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