Doctor profile · Federal record

Dr. Thomas Knudtson, MD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Diagnostic Radiology Physician · Diagnostic Radiology Physician · Dubuque, IA

  • NPI 1134356322
  • Accepts Medicare
  • 17 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
250 Mercy Dr
Dubuque, IA 520017320
(563) 589-9040

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
July 15, 2015
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State licenses (3)
Wisconsin #56303 · Iowa #42460 · Illinois #036.137540

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1134356322. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,410
Distinct HCPCS
10
Medicare allowed
$45,099
HCPCS Description Services Patients Avg allowed
77063 Screening 3d breast mammography 173 173 $27
77067 Screening mammography 173 173 $34
71045 X-ray of chest, 1 view 163 139 $8
70450 Ct scan head or brain without contrast 111 102 $37
71046 X-ray of chest, 2 views 88 84 $10
71046 X-ray of chest, 2 views 78 78 $10
74177 Ct scan of abdomen and pelvis with contrast 63 60 $82
G0279 Diagnostic digital breast tomosynthesis, unilateral or bilateral (list separately in addition to 77065 or 77066) 36 34 $27
71275 Ct scan of blood vessels of chest with contrast 35 35 $80
77065 Diagnostic mammography of 1 breast 30 29 $36

In context: peer comparison

Among 3 peers in Dubuque Diagnostic Radiology Physician, average services per provider: 59. This provider delivers 24× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$17
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Teleflex LLC 1 $16.69

By nature of payment

Food and Beverage
$17

Frequently asked questions

Auto-generated from federal data
What is Dr. Thomas Knudtson's medical specialty?
Dr. Thomas Knudtson practices Diagnostic Radiology Physician in Dubuque, IA.
Where does Dr. Thomas Knudtson practice?
Dr. Thomas Knudtson practices at 250 Mercy Dr, Dubuque, IA 520017320. Office phone: 5635899040.
What is Dr. Thomas Knudtson's NPI?
Dr. Thomas Knudtson's National Provider Identifier (NPI) is 1134356322, issued by NPPES.
Does Dr. Thomas Knudtson accept Medicare assignment?
Yes. Dr. Thomas Knudtson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Knudtson commonly perform?
Top Medicare-reported procedures in 2023: Screening 3d breast mammography (HCPCS 77063); Screening mammography (HCPCS 77067); X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.