Doctor profile · Federal record

Dr. Stephen Defriez, D.O.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Flint, MI

  • NPI 1639111966
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
501 S Ballenger Hwy, Suite B
Flint, MI 485323641
(810) 342-4800
Additional location
2239 Lost Oak CT
Grand Blanc, MI 484392523
(810) 348-7604

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
August 8, 2023
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (2)
Michigan #5101014531 · Virginia #0102207752
Medicaid
MI #4767650

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1639111966. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,616
Distinct HCPCS
10
Medicare allowed
$117,823
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 982 678 $9
70450 Ct scan head or brain without contrast 375 354 $39
77067 Screening mammography 159 159 $36
77063 Screening 3d breast mammography 155 155 $29
74177 Ct scan of abdomen and pelvis with contrast 150 147 $86
71046 X-ray of chest, 2 views 146 139 $10
74176 Ct scan of abdomen and pelvis without contrast 141 134 $82
72125 Ct scan of upper spine without contrast 108 106 $46
71275 Ct scan of blood vessels of chest with contrast 87 86 $85
74018 X-ray of abdomen, 1 view 80 78 $9

In context: peer comparison

Among 12 peers in this city , average services per provider: 135. This provider delivers 27× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Defriez's medical specialty?
Dr. Stephen Defriez practices Diagnostic Radiology Physician in Flint, MI.
Where does Dr. Stephen Defriez practice?
Dr. Stephen Defriez practices at 501 S Ballenger Hwy, Flint, MI 485323641. Office phone: 8103424800.
What is Dr. Stephen Defriez's NPI?
Dr. Stephen Defriez's National Provider Identifier (NPI) is 1639111966, issued by NPPES.
Does Dr. Stephen Defriez accept Medicare assignment?
Yes. Dr. Stephen Defriez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Defriez commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Screening mammography (HCPCS 77067). Source: CMS Medicare Physician & Other Practitioners file.