Thomas Knudtson, MD
NPI 1134356322 · Diagnostic Radiology Physician · Dubuque, IA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Knudtson, MD is a Diagnostic Radiology Physician provider in Dubuque, IA (NPI 1134356322).
Provider details
- NPI number
- 1134356322
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 56303 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
17 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,646 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Screening 3d Breast Mammography77063 | 190 | $26 |
| Screening Mammography77067 | 190 | $33 |
| X-Ray of Chest, 1 View71045 | 188 | $8 |
| Ct Scan Head Or Brain Without Contrast70450 | 126 | $36 |
| X-Ray of Chest, 2 Views71046 | 97 | $10 |
| X-Ray of Chest, 2 Views71046 | 85 | $10 |
| Ct Scan of Abdomen and Pelvis With Contrast |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$17 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2009-06-16
- Last updated
- 2015-07-15
Frequently asked questions
- What is Thomas Knudtson's NPI number?
- Thomas Knudtson's National Provider Identifier (NPI) is 1134356322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Knudtson's specialty?
- Thomas Knudtson is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Knudtson located?
- Thomas Knudtson's practice location on file with NPPES is 250 Mercy Dr, Dubuque, IA 52001-7320.
- What is Thomas Knudtson's phone number?
- The practice phone number listed in the NPPES registry for Thomas Knudtson is (563) 589-9040.
- Does Thomas Knudtson accept Medicare?
- Thomas Knudtson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Knudtson's NPI active?
- Yes — Thomas Knudtson's NPI (1134356322) is active in the NPPES registry as of the last update on 2015-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.