NPPES file of Aug 9, 2026

William H. Duncan, MD

Orthopaedic Surgery Physician · Springfield, MO

William H. Duncan, MD is an orthopaedic surgery physician with a practice address in Springfield, Missouri, and NPI 1679516231, issued on Jun 13, 2006. Check the license (Missouri 2005005176, 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
1679516231
Name
William H. Duncan
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
2005005176 MO
Self-reported in NPPES; status is on the state search
Practice location
3555 S National Ave, Springfield, MO 65807
Phone
(417) 875-3800
Enumerated
Jun 13, 2006
Record last updated
Jul 3, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(417) 875-3176
Medicaid ID
207365206 MO
Medicare enrollment
Enrolled (PECOS I20050524000105); accepts Medicare assignment
Medical or professional school
University Of Kansas School Of Med (Kc/Wich/Sal), 2000
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.
Download card Updates feed

Also registered at 3555 S National Ave

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

  1. Kristen Angle, FNPFamily Nurse Practitioner1881218477
  2. Connor Barnes, M.D.Plastic and Reconstructive Surgery Physician1568881407
  3. Reagan Bedell, PA-CPhysician Assistant1588476428
  4. Robert Bennett, M.D.Orthopaedic Surgery Physician1841275559
  5. Russell Bond, D.O.Physical Medicine & Rehabilitation Physician1871608406
  6. Graeme Boyter, DOPain Medicine (Physical Medicine & Rehabilitation) Physician1649830126

Verify William H. 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 2005005176
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.0 times the Medicare Part D claims of the average orthopaedic surgery physician in 2024

701 Medicare Part D claims for 320 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims. 313 claims were for opioids.

  1. William Duncan701
  2. Specialty average346

Most prescribed

  1. Ondansetron Hcl223 claims
  2. Oxycodone Hcl181 claims
  3. Hydrocodone-Acetaminophen118 claims
  4. Amoxicillin51 claims
  5. Methylprednisolone34 claims
  6. Promethazine Hcl16 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.

No measured MIPS final score for 2023

CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.

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

Industry payments in 2024: $270.14

7 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Duncan$270
  2. Specialty average$23,023

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. Lester E Cox Medical CentersSpringfield, MO

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

William H. Duncan among 514 orthopaedic surgery physician records in Missouri

William H. Duncan, MD is one of 514 orthopaedic surgery physician records with a practice address in Missouri. 77% 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 17% of them.

  • NPI issued2006 · 17% of these records are older, 53% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2000 · median 2006 among the 302 with a school on file
  • Record last updated2012 · 54% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Missouri

There are 514 orthopaedic surgery physician records in Missouri.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. Robert Bennett, M.D.Springfield, MO 658071841275559
  2. Ken Carpenter, M.D.Springfield, MO 658071073726964
  3. Douglas Duncan, MDSpringfield, MO 658071942243506
  4. Roy Holand, MDSpringfield, MO 658071073548228
  5. Heath Melugin, MDSpringfield, MO 658071447614821
  6. Clyde Parsons, MDSpringfield, MO 658071114907136
  7. James Shaeffer, M.D.Springfield, MO 658071326187188
  8. David Volgas, MDSpringfield, MO 658071265484901

Common questions

What is William H. Duncan, MD's NPI number?

William H. Duncan, MD's National Provider Identifier (NPI) is 1679516231, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William H. Duncan, MD located?

The NPPES record lists a practice address at 3555 S National Ave, Springfield, MO, 65807. Phone: (417) 875-3800. Providers update this record themselves, so call before visiting.

How can I verify William H. Duncan, MD's license?

NPPES lists Missouri license number 2005005176, 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.

How much does William H. Duncan, MD prescribe under Medicare Part D?

In 2024, William H. Duncan, MD had 701 Medicare Part D claims for 320 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.

What is William H. Duncan, MD's MIPS final score?

CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.

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.