NPPES file of Aug 9, 2026

Stephen Arnold Williams, M.D.

Diagnostic Radiology Physician · Morehead, KY

Stephen Arnold Williams, M.D. is a diagnostic radiology physician with a practice address in Morehead, Kentucky, and NPI 1598816878, issued on Jan 15, 2007. Check the license (Kentucky 41968, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598816878
Name
Stephen Arnold Williams
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
41968 KY
Self-reported in NPPES; status is on the state search
Practice location
222 Medical Cir, Morehead, KY 40351
Phone
(859) 608-9093
Enumerated
Jan 15, 2007
Record last updated
Apr 4, 2012 (not updated in 14 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20071126000509); accepts Medicare assignment
Medical or professional school
University Of Louisville School Of Medicine, 2003
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 222 Medical Cir

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

  1. Heidi Adams, PA-CPhysician Assistant1346972189
  2. Rebecca Alemu, MDInternal Medicine Physician1043890700
  3. Hani Alkhankan, MBBSInternal Medicine Physician1346553518
  4. Bara Alzghoul, MDHematology & Oncology Physician1205231925
  5. Jayleigh AmstutzPhysician Assistant1124869003
  6. Mohammad Aslam, MDAnesthesiology Physician1366547127

Verify Stephen Arnold 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 41968
    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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The MIPS final score for 2023 (Medicare payment program): 84.4 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 score96.5
  2. Costout of 100 · 30%82.6
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities0 of 40 points · 15%0.0

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

Bills Medicare through one group practice

  1. St. Claire Medical Center IncMorehead, KY

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

Stephen Arnold Williams among 477 diagnostic radiology physician records in Kentucky

Stephen Arnold Williams, M.D. is one of 477 diagnostic radiology physician records with a practice address in Kentucky. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 61% of them.

  • NPI issued2007 · 61% of these records are older, 29% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2003 · median 2000 among the 323 with a school on file
  • Record last updated2012 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Kentucky

There are 477 diagnostic radiology physician records in Kentucky.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Craig Butler, MDMorehead, KY 403511033119839
  2. William Lewis, MDMorehead, KY 403511679573471
  3. Mircea Lipovan, MDMorehead, KY 403511942293501
  4. Ellen Roberts, MDMt Sterling, KY 403531346224342
  5. Ian Haycocks, MDWinchester, KY 403911841220746
  6. Dusik Shin, M.D.Winchester, KY 403911457442154
  7. William Witt, M.D.Winchester, KY 403911508079195
  8. David Hopper, MDDanville, KY 404221831152990

Common questions

What is Stephen Arnold Williams, M.D.'s NPI number?

Stephen Arnold Williams, M.D.'s National Provider Identifier (NPI) is 1598816878, issued on Jan 15, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Arnold Williams, M.D. located?

The NPPES record lists a practice address at 222 Medical Cir, Morehead, KY, 40351. Phone: (859) 608-9093. Providers update this record themselves, so call before visiting.

How can I verify Stephen Arnold Williams, M.D.'s license?

NPPES lists Kentucky license number 41968, 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.

What is Stephen Arnold Williams, M.D.'s MIPS final score?

The 2023 MIPS final score is 84.4 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.