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

Rhiannon Mazenis, PA-C

Individual provider Physician Assistant · NPI 1669563805

Rhiannon Mazenis, PA-C is a Physician Assistant in Oak Forest, Illinois. Qualified in 2005, 21 years ago. Practices with Premier Pain Specialists LLC, a 6-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
21
Licensed in
IL
In the registry since
2006
What do these letters mean?
PA-C — Physician Assistant, Certified
A physician assistant who holds current national certification.

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Practice location Address checks out

5320 159th St Ste 400
Oak Forest, IL 60452-4705
Phone: (708) 798-8112
Fax: (708) 535-6396
Show map & directions

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

Specialties & licences

Physician Assistant (primary) Taxonomy 363A00000X · Licence 385001545 (IL)

Record details

NPI number1669563805
Entity typeIndividual (Type 1)
GenderFemale
Credentials PA-C
Sole proprietorNo
NPI enumeratedSeptember 27, 2006
Last updated in NPPESApril 24, 2019

Medicare enrollment

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

Medicare specialtyPHYSICIAN ASSISTANT
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Premier Pain Specialists Llc — 6 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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