NPPES file of Aug 9, 2026

Stephen Thomas Duncan, MD

Adult Reconstructive Orthopaedic Surgery Physician · Lexington, KY

Stephen Thomas Duncan, MD is an adult reconstructive orthopaedic surgery physician with a practice address in Lexington, Kentucky, and NPI 1578726873, issued on Jul 7, 2008. Check the license (Kentucky 46402, as entered in NPPES) on the Kentucky Board of Medical Licensure; 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
1578726873
Name
Stephen Thomas Duncan
Credential
MD
Primary taxonomy
Adult Reconstructive Orthopaedic Surgery Physician 207XS0114X
License numbers
46402 KY
2012003242 MO
Self-reported in NPPES; status is on the state search
Practice location
740 S Limestone, Lexington, KY 40536
Phone
(859) 323-5533
Enumerated
Jul 7, 2008
Record last updated
Oct 11, 2013 (not updated in 13 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20131226000723); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 2007
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 740 S Limestone

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

  1. Fayha Ahmad, DMDGeneral Practice Dentistry1982109211
  2. Kenneth Ain, MDEndocrinology, Diabetes & Metabolism Physician1396857173
  3. Timothy Ainger, M.S., M.A., PHDClinical Neuropsychologist1457764680
  4. Tarek Ali, MBBSNeurology Physician1952857682
  5. Reem Alkilany, MDRheumatology Physician1730633173
  6. Alexandra Amador, DMDStudent in an Organized Health Care Education/Training Program1386586550

Verify Stephen Thomas Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersKentucky Board of Medical Licensure
    Search for license 46402
    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 Kentucky license search

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30% more Medicare Part D claims than the average adult reconstructive orthopaedic surgery physician in 2024

752 Medicare Part D claims for 206 beneficiaries, against an average of 579 among the 1,112 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 197 claims were for opioids.

  1. Stephen Duncan752
  2. Specialty average579

Most prescribed

  1. Meloxicam164 claims
  2. Tramadol Hcl105 claims
  3. Gabapentin88 claims
  4. Oxycodone Hcl77 claims
  5. Diclofenac Sodium53 claims
  6. Methylprednisolone25 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 100 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. Qualitynot scored (reweighted)
  2. Costnot scored (reweighted)
  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: $172,827.57

80 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 1,060 providers of this specialty with any payment received $68,015.27 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Stephen Duncan$172,828
  2. Specialty average$68,015

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

Bills Medicare through 3 group practices

  1. Kentucky Medical Services Foundation, IncLexington, KY
  2. Premier Therapy And Health Centers IncGrayson, KY
  3. Proactive Therapy, IncFrankfort, KY

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

Adult Reconstructive Orthopaedic Surgery Physician providers in Kentucky

There are 8 adult reconstructive orthopaedic surgery physician records in Kentucky.

Other adult reconstructive orthopaedic surgery physician records in Kentucky

  1. James BakerLouisville, KY1346603321
  2. Samrath Bhimani, M.D.Louisville, KY1174056238
  3. Saul Fredrickson, MDEdgewood, KY1235794967
  4. Jeffrey Parr, M.D.Lexington, KY1790974061
  5. Scott Scutchfield, MDLexington, KY1669572145
  6. Prodromos Ververeli, M.D.Taylorsville, KY1508862806
  7. David Waespe, MDGeorgetown, KY1790915239

Common questions

What is Stephen Thomas Duncan, MD's NPI number?

Stephen Thomas Duncan, MD's National Provider Identifier (NPI) is 1578726873, issued on Jul 7, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Thomas Duncan, MD located?

The NPPES record lists a practice address at 740 S Limestone, Lexington, KY, 40536. Phone: (859) 323-5533. Providers update this record themselves, so call before visiting.

How can I verify Stephen Thomas Duncan, MD's license?

NPPES lists Kentucky license number 46402, as entered by the provider. Search the Kentucky Board of Medical Licensure at https://web1.ky.gov/GenSearch/LicenseSearch.aspx?AGY=5. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Stephen Thomas Duncan, MD prescribe under Medicare Part D?

In 2024, Stephen Thomas Duncan, MD had 752 Medicare Part D claims for 206 beneficiaries; the average among adult reconstructive orthopaedic surgery physician prescribers was 579. Part D covers Medicare prescriptions only.

What is Stephen Thomas Duncan, MD's MIPS final score?

The 2023 MIPS final score is 100 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.