Registry data as of Aug 27, 2026

Thomas Knudtson, MD

Diagnostic Radiology Physician · Dubuque, IA

Thomas Knudtson, MD is a diagnostic radiology physician with a practice address in Dubuque, Iowa, and NPI 1134356322, issued on Jun 16, 2009. Check the license (Iowa 42460, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1134356322
Name
Thomas Knudtson
Credential
MD
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
42460 IA
56303 WI
036.137540 IL
Self-reported in NPPES; status is on the state search
Practice location
250 Mercy Dr, Dubuque, IA 52001
Phone
(563) 589-9040
Enumerated
Jun 16, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 250 Mercy Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Chelsie Arlen, RNCritical Care Medicine Registered Nurse1245164698
  2. Erin BaileyPharmacist1205465473
  3. Jill Ballantine, AGACNPGerontology Nurse Practitioner1073979555
  4. Brett Becker, PHARMDPharmacist1972118578
  5. Virginia Burdine, MDHematology (Pathology) Physician1124094941
  6. Christine Burds, A.R.N.P.Nurse Practitioner1326097791

Verify Thomas Knudtson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIowa Board of Medicine
    Search for license 42460    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Iowa license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Industry payments in 2024: $16.69

1 payment, mostly food and beverage; the largest payer was Teleflex LLC. The 8,130 providers of this specialty with any payment received $3,224.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Thomas Knudtson$16.69
  2. Specialty average$3,224.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospital and facility affiliations

  1. Mercy Radiologists OF Dubuque PCDubuque, IA
  2. Midwest Medical CenterGalena, IL · Critical Access Hospitals
  3. Upland Hills Health IncDodgeville, WI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Diagnostic Radiology Physician providers in Iowa

There are 341 diagnostic radiology physician records in Iowa.

All 341 in Iowa → Every provider in Dubuque →

Other diagnostic radiology physician records in Iowa

  1. Mostafa Abdelraheem, MDIowa City, IA1922787274
  2. Muhammad Abdul-Wahab, MDDes Moines, IA1649690686
  3. Farris Abou-Hanna, MDIowa City, IA1801425285
  4. Islam Abu Ishgair, MBBSIowa City, IA1669394821
  5. Govinda AdhikariIowa City, IA1861275877
  6. Hernane Ajuz Holzmann, MDIowa City, IA1801776786
  7. John Alcini, MDCedar Rapids, IA1679616429
  8. Saleh AlkathiriIowa City, IA1962056192
  9. Randy Anderson, MDAmes, IA1912115288
  10. Jaclyn Andrick, M.D.West Des Moines, IA1740662857

Common questions

What is Thomas Knudtson, MD's NPI number?

Thomas Knudtson, MD's National Provider Identifier (NPI) is 1134356322, issued on Jun 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Knudtson, MD located?

The NPPES record lists a practice address at 250 Mercy Dr, Dubuque, IA, 52001. Phone: (563) 589-9040. Providers update this record themselves, so call before visiting.

How can I verify Thomas Knudtson, MD's license?

NPPES lists Iowa license number 42460, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Compiled from official public sources by the editorial process.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.