NPPES file of Aug 9, 2026

James R. Duncan, MD

Vascular & Interventional Radiology Physician · Saint Louis, MO

James R. Duncan, MD is a vascular & interventional radiology physician with a practice address in Saint Louis, Missouri, and NPI 1437176997, issued on Jul 17, 2006. Check the license (Missouri 105555, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437176997
Name
James R. Duncan
Credential
MD
Primary taxonomy
Vascular & Interventional Radiology Physician 2085R0204X
License number
105555 MO
Self-reported in NPPES; status is on the state search
Practice location
510 S Kingshighway Blvd, Saint Louis, MO 63110
Phone
(314) 362-7200
Enumerated
Jul 17, 2006
Record last updated
Apr 17, 2025
Fax
(314) 747-4189
Medicaid ID
204998306 MO
Medicare enrollment
Enrolled (PECOS I20100108000286); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 1988
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 510 S Kingshighway Blvd

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

  1. Syed Abidi, MDDiagnostic Radiology Physician1194247387
  2. Ankita Aggarwal, MDDiagnostic Radiology Physician1316837701
  3. Tabassum Ahmad, MDNeuroradiology Physician1134296916
  4. Rashid Al-Sukaiti, MDDiagnostic Radiology Physician1023140928
  5. Sri Alapati, M.D.Diagnostic Radiology Physician1629365010
  6. Mohammad Hesam Alavi, MD, MPHStudent in an Organized Health Care Education/Training Program1346093804

Verify James R. Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 105555
    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 Missouri 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.

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The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score71.5
  2. Costout of 100 · 30%59.5
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $362.80

4 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 3,457 providers of this specialty with any payment received $7,206.73 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. James Duncan$362.80
  2. Specialty average$7,206.73

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

Bills Medicare through one group practice

  1. Washington UniversitySaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

James R. Duncan among 95 vascular & interventional radiology physician records in Missouri

James R. Duncan, MD is one of 95 vascular & interventional radiology physician records with a practice address in Missouri. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 71% newer
  • In a Medicare fileYes · 89% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated1988 · median 2009 among the 75 with a school on file
  • Record last updated2025 · 15% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0204X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Vascular & Interventional Radiology Physician providers in Missouri

There are 95 vascular & interventional radiology physician records in Missouri.

The 8 vascular & interventional radiology physician records with the nearest ZIP codes

  1. Ahmed Abdelbaki, M.D.Saint Louis, MO 631101396152005
  2. Michael Darcy, MDSaint Louis, MO 631101700804341
  3. Jennifer Gould, MDSaint Louis, MO 631101154347383
  4. Jerome Kao, M.D.Saint Louis, MO 631101306131974
  5. John Karageorgiou, MDSaint Louis, MO 631101861789778
  6. Pavan Kavali, MDSaint Louis, MO 631101609192277
  7. Stephanie Kim, MDSaint Louis, MO 631101275914665
  8. Naganathan Mani, MDSaint Louis, MO 631101841463650

Common questions

What is James R. Duncan, MD's NPI number?

James R. Duncan, MD's National Provider Identifier (NPI) is 1437176997, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is James R. Duncan, MD located?

The NPPES record lists a practice address at 510 S Kingshighway Blvd, Saint Louis, MO, 63110. Phone: (314) 362-7200. Providers update this record themselves, so call before visiting.

How can I verify James R. Duncan, MD's license?

NPPES lists Missouri license number 105555, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

What is James R. Duncan, MD's MIPS final score?

The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.