Doctor profile · Federal record

Dr. William Theodorou, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Student in an Organized Health Care Education/Training Program · Diagnostic Radiology Physician · Chicago, IL

  • NPI 1063686624
  • Accepts Medicare
  • MIPS 80.3 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1653 W Congress Pkwy
Chicago, IL 606123833
(312) 942-5495

Credentials & registration

NPPES · NUCC
NPI registered
April 2008 — 18 yrs on file
Profile last updated
February 4, 2013
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Illinois #036.130614 · Illinois #125.055740

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1063686624. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
921
Distinct HCPCS
10
Medicare allowed
$30,888
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 173 172 $8
77063 Screening 3d breast mammography 150 150 $27
77067 Screening mammography 148 148 $34
77080 Dxa bone density measurement of hip, pelvis, spine 92 92 $9
70450 Ct scan head or brain without contrast 60 60 $38
74177 Ct scan of abdomen and pelvis with contrast 33 33 $82
71275 Ct scan of blood vessels of chest with contrast 31 31 $80
70551 Mri scan of brain without contrast 23 23 $66
76642 Limited ultrasound scan of 1 breast 22 22 $32
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 22 22 $27

In context: peer comparison

Among 155 peers in Chicago Diagnostic Radiology Physician, average services per provider: 102. This provider delivers 9.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. William Theodorou's medical specialty?
Dr. William Theodorou practices Diagnostic Radiology Physician in Chicago, IL.
Where does Dr. William Theodorou practice?
Dr. William Theodorou practices at 1653 W Congress Pkwy, Chicago, IL 606123833. Office phone: 3129425495.
What is Dr. William Theodorou's NPI?
Dr. William Theodorou's National Provider Identifier (NPI) is 1063686624, issued by NPPES.
Does Dr. William Theodorou accept Medicare assignment?
Yes. Dr. William Theodorou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Theodorou commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.