NPPES file of Aug 9, 2026

Curtis Anthony Williams, DO

Internal Medicine Physician · Somerset, KY

Curtis Anthony Williams, DO is an internal medicine physician with a practice address in Somerset, Kentucky, and NPI 1649773219, issued on Mar 9, 2018. Check the license (Kentucky 04791, 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
1649773219
Name
Curtis Anthony Williams
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
04791 KY
R4938 KY
Self-reported in NPPES; status is on the state search
Practice location
305 Langdon St, Somerset, KY 42503
Phone
(606) 451-2601
Enumerated
Mar 9, 2018
Record last updated
Jul 3, 2025
Medicare enrollment
Enrolled (PECOS I20200720003485); accepts Medicare assignment
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 305 Langdon St

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

  1. Grant Allbritten, DOPain Medicine (Physical Medicine & Rehabilitation) Physician1881273472
  2. Muhammad Alvi, M.DCritical Care Medicine (Internal Medicine) Physician1598295529
  3. Gustavo Anton, DONeurological Surgery Physician1841789534
  4. Ermelinda Arriola, M.D.Anesthesiology Physician1871526020
  5. Michael Baker, MDInternal Medicine Physician1912469958
  6. William Baker, MDDiagnostic Radiology Physician1285671255

Verify Curtis Anthony Williams 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 04791
    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

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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42% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,857 Medicare Part D claims for 490 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 127 claims were for opioids.

  1. Curtis Williams1,857
  2. Specialty average3,176

Most prescribed

  1. Prednisone148 claims
  2. Nitroglycerin84 claims
  3. Pantoprazole Sodium79 claims
  4. Cefdinir72 claims
  5. Ondansetron Hcl72 claims
  6. Doxycycline Hyclate64 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 MIPS final score for 2023 (Medicare payment program): 95.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score89.6
  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; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $20.93

2 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Curtis Williams$20.93
  2. Specialty average$1,303.06

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. Baptist Health Medical Group IncCorbin, KY
  2. Concord Medical Group OF Kentucky PLLCManchester, KY
  3. Southeastern Emergency Physicians LLCSomerset, KY

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

Curtis Anthony Williams among 1,526 internal medicine physician records in Kentucky

Curtis Anthony Williams, DO is one of 1,526 internal medicine physician records with a practice address in Kentucky. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 81% of them.

  • NPI issued2018 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 84% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2018 · median 2006 among the 1,025 with a school on file
  • Record last updated2025 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

37 internal medicine physician records list a practice address in Somerset

They are 37 of the 1,474 NPPES records with a practice address in Somerset, and 1,526 internal medicine physician records in Kentucky.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mohammad Afzal, MDSomerset, KY 425031245329069
  2. Allison Cherry, M.D.Somerset, KY 425031871599399
  3. Donald Cherry, M.D.Somerset, KY 425031659377075
  4. Stanton Cole, M.D.Somerset, KY 425031740254358
  5. Dannette Cook, MDSomerset, KY 425031144262056
  6. Debra Eadens, MDSomerset, KY 425031477544872
  7. Edward Grimball, MDSomerset, KY 425031144211541
  8. Anjum Iqbal, MDSomerset, KY 425031982793790

Common questions

What is Curtis Anthony Williams, DO's NPI number?

Curtis Anthony Williams, DO's National Provider Identifier (NPI) is 1649773219, issued on Mar 9, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Curtis Anthony Williams, DO located?

The NPPES record lists a practice address at 305 Langdon St, Somerset, KY, 42503. Phone: (606) 451-2601. Providers update this record themselves, so call before visiting.

How can I verify Curtis Anthony Williams, DO's license?

NPPES lists Kentucky license number 04791, 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 Curtis Anthony Williams, DO prescribe under Medicare Part D?

In 2024, Curtis Anthony Williams, DO had 1,857 Medicare Part D claims for 490 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Curtis Anthony Williams, DO's MIPS final score?

The 2023 MIPS final score is 95.5 of 100. 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.