HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / IL

RHIANNON M MAZENIS, PA

PHYSICIAN ASSISTANT

Graduated: 2005

NPI: 1669563805

Practice Locations (3)

PREMIER PAIN SPECIALISTS LLC

6920 OGDEN AVE, UNIT C

BERWYN, IL 604023685

8475194701

PREMIER PAIN SPECIALISTS LLC

3800 HIGHLAND AVE, SUITE 101

DOWNERS GROVE, IL 605151559

8475194701

PREMIER PAIN SPECIALISTS LLC

1365 WILEY RD, SUITE 153

SCHAUMBURG, IL 601734357

8475194701

Source: CMS National Downloadable File, September 2026.