SearchIllinoisRadiation Oncology Physician

Claire Niewiara, MD

NPI 1487458113 · on the registry since 2025

Practice

Address
2160 S 1st Ave
Maywood, IL 60153
Phone
(708) 216-2729
Organisation at this address
Walgreen Co
Walgreen Co
Rosin Optical Co., Inc.
Proviso Partners For Health
Loyola University Health System
Inferred from a shared address, not stated in the registry.
Clinicians at this address
2,201

Registry record

Primary taxonomy
Radiation Oncology Physician
2085R0001X
Also registered as
Student in an Organized Health Care Education/Training Program
Internal Medicine Physician
Licence states on file
IL
From the registry's licence fields, which are often incomplete.
Sex
Female
Record last updated
2026-05-20

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in Illinois