Doctor profile · Federal record

Dr. Stephen Thomas, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · San Diego, CA

  • NPI 1922203496
  • Accepts Medicare
  • MIPS 73.6 / 100 · 2023
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
8933 Activity RD
San Diego, CA 92126
(858) 653-6130
fax (858) 653-6125
Additional location
5841 S Maryland Ave, Mc 2026
Chicago, IL 606371447
(773) 702-1601
fax (773) 702-1161

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
July 22, 2019
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Illinois #036.118203

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1922203496. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
58,428
Distinct HCPCS
10
Medicare allowed
$533,762
HCPCS Description Services Patients Avg allowed
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 33,533 291 $0
A9575 Injection, gadoterate meglumine, 0.1 ml 22,540 127 $0
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml 435 42 $0
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 226 42 $1
73630 X-ray of foot, minimum of 3 views 217 157 $39
73030 X-ray of shoulder, minimum of 2 views 190 168 $40
74177 Ct scan of abdomen and pelvis with contrast 176 164 $358
A9552 Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries 137 106 $355
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 130 100 $1,852
71260 Ct scan of chest with contrast 126 117 $132

In context: peer comparison

Among 125 peers in San Diego Diagnostic Radiology Physician, average services per provider: 189. This provider delivers 309× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Stephen Thomas's medical specialty?
Dr. Stephen Thomas practices Diagnostic Radiology Physician in San Diego, CA.
Where does Dr. Stephen Thomas practice?
Dr. Stephen Thomas practices at 8933 Activity RD, San Diego, CA 92126. Office phone: 8586536130.
What is Dr. Stephen Thomas's NPI?
Dr. Stephen Thomas's National Provider Identifier (NPI) is 1922203496, issued by NPPES.
Does Dr. Stephen Thomas accept Medicare assignment?
Yes. Dr. Stephen Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stephen Thomas commonly perform?
Top Medicare-reported procedures in 2023: Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml (HCPCS Q9966). Source: CMS Medicare Physician & Other Practitioners file.