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

Aaron Mentzer

Individual provider Physician Assistant · NPI 1437983699

Aaron Mentzer is a Physician Assistant in Chicago, Illinois. Qualified in 2024, 2 years ago. Practices with Rush University Medical Group, a 1,499-clinician group and accepts Medicare assignment.

Years since qualifying
2
In the registry since
2024
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Practice location Address checks out

1620 W Harrison St
Chicago, IL 60612-3801
Phone: (312) 942-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X

Record details

NPI number1437983699
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 29, 2024
Last updated in NPPESAugust 29, 2024
Certification dateAugust 29, 2024
Mailing address1620 W Harrison St, Chicago, IL 60612-3801

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Group practice Rush University Medical Group — 1499 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

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