NPPES file of Aug 9, 2026

Clinton J. Duncan, M.D.

Ophthalmology Physician · Cedar City, UT

Clinton J. Duncan, M.D. is an ophthalmology physician with a practice address in Cedar City, Utah, and NPI 1770894776, issued on Jun 24, 2010. Check the license (Utah 90003381205, as entered in NPPES) on the Utah Medical Licensing Board; 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
1770894776
Name
Clinton J. Duncan
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
90003381205 UT
Self-reported in NPPES; status is on the state search
Practice location
1811 W Royal Hunte Dr Ste 1, Cedar City, UT 84720
Phone
(435) 586-1131
Enumerated
Jun 24, 2010
Record last updated
Jul 12, 2018 (not updated in 8 years: call before relying on the address or phone)
Fax
(435) 865-1121
Medicare enrollment
Enrolled (PECOS I20140811002764); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2014
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 1811 W Royal Hunte Dr Ste 1

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

  1. Chad Anderson, M.D.Ophthalmology Physician1144330648
  2. Rory Christian, O.D.Optometrist1326158551
  3. Colin Hunsaker, ODOptometrist1417548009

Verify Clinton J. Duncan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersUtah Medical Licensing Board
    Search for license 90003381205
    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 Utah 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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16% fewer Medicare Part D claims than the average ophthalmology physician in 2024

1,273 Medicare Part D claims for 391 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.

  1. Clinton Duncan1,273
  2. Specialty average1,518

Most prescribed

  1. Latanoprost365 claims
  2. Prednisolone Acetate182 claims
  3. Dorzolamide-Timolol93 claims
  4. Neomycin-Polymyxin-Dexameth90 claims
  5. Restasis85 claims
  6. Erythromycin50 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): 83.9 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 score100.0
  2. Costout of 100 · 30%46.3
  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: $30.88

2 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Clinton Duncan$30.88
  2. Specialty average$4,535.02

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. Cedar Opthalmic Associates PLLCCedar City, UT

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

Clinton J. Duncan among 202 ophthalmology physician records in Utah

Clinton J. Duncan, M.D. is one of 202 ophthalmology physician records with a practice address in Utah. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 62% of them.

  • NPI issued2010 · 62% of these records are older, 34% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2014 · median 2004 among the 145 with a school on file
  • Record last updated2018 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Utah practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in Utah

There are 202 ophthalmology physician records in Utah.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Chad Anderson, M.D.Cedar City, UT 847201144330648
  2. Kevin Kirk, M.D.Richfield, UT 847011750791182
  3. Richard Hess, M.D.St George, UT 847701154433241
  4. Shawno May, MDSt George, UT 847701922098276
  5. Sharon Richens, MDSt George, UT 847701497769368
  6. Ronald Snow, MDSt George, UT 847701447256870
  7. William Wagner, MDSt George, UT 847701861053050
  8. Conley Call, MDSpanish Fork, UT 846601073594818

Common questions

What is Clinton J. Duncan, M.D.'s NPI number?

Clinton J. Duncan, M.D.'s National Provider Identifier (NPI) is 1770894776, issued on Jun 24, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Clinton J. Duncan, M.D. located?

The NPPES record lists a practice address at 1811 W Royal Hunte Dr Ste 1, Cedar City, UT, 84720. Phone: (435) 586-1131. Providers update this record themselves, so call before visiting.

How can I verify Clinton J. Duncan, M.D.'s license?

NPPES lists Utah license number 90003381205, as entered by the provider. Search the Utah Medical Licensing Board at https://secure.utah.gov/llv/search/index.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Clinton J. Duncan, M.D. prescribe under Medicare Part D?

In 2024, Clinton J. Duncan, M.D. had 1,273 Medicare Part D claims for 391 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Clinton J. Duncan, M.D.'s MIPS final score?

The 2023 MIPS final score is 83.9 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.