Clifton Dale Williams, M.D.
Emergency Medicine Physician · McComb, MS
Clifton Dale Williams, M.D. is an emergency medicine physician with a practice address in McComb, Mississippi, and NPI 1538257654, issued on Oct 11, 2006. Check the license (Mississippi 13945, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Clifton Dale Williams
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 13945 MS
Self-reported in NPPES; status is on the state search - Practice location
- 215 Marion Ave, McComb, MS 39648
- Phone
- (601) 249-1382
- Enumerated
- Oct 11, 2006
- Record last updated
- Mar 18, 2025
- Fax
- (601) 249-1751
- Medicare enrollment
- Enrolled (PECOS I20090824000352); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1993
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 515 in Mississippi → Look up another NPI →
Also registered at 215 Marion Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aja Abai, M.D.Hospitalist Physician1760492037
- Gerald Adcock, CRNACertified Registered Nurse Anesthetist1821046145
- Paul Anderson, CRNACertified Registered Nurse Anesthetist1417909003
- Sarah Andrews, CRNACertified Registered Nurse Anesthetist1215969431
- Kathryn Arnold, NP-CAdult Health Nurse Practitioner1730587767
- William Bass, N.P.Family Nurse Practitioner1073920716
Verify Clifton Dale Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 13945Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
32% fewer Medicare Part D claims than the average emergency medicine physician in 2024
153 Medicare Part D claims for 115 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen14 claims
- Ondansetron Hcl14 claims
- Nitrofurantoin Mono-Macro13 claims
- Doxycycline Hyclate12 claims
- Ibuprofen11 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.
Industry payments in 2024: $14.50
1 payment: food and beverage; the largest payer was Abbvie Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- Southwest Mississippi Regional Medical CenterMcComb, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Clifton Dale Williams among 515 emergency medicine physician records in Mississippi
Clifton Dale Williams, M.D. is one of 515 emergency medicine physician records with a practice address in Mississippi. 83% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 66% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1993 · median 2011 among the 339 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
9 emergency medicine physician records list a practice address in McComb
They are 9 of the 644 NPPES records with a practice address in McComb, and 515 emergency medicine physician records in Mississippi.
All 515 in Mississippi → Every provider in McComb → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Thomas Evans, MDMcComb, MS 396481013013960
- Brett Ferman, MDMcComb, MS 396481578639449
- Richard Johnson, MDMcComb, MS 396481619081346
- Keith Schwager, MDMcComb, MS 396481447282165
- Scott Smith, M.D.McComb, MS 396481629057427
- Darryl Temple, FNPMcComb, MS 396481730168618
- Brett Tisdale, M.D.McComb, MS 396481699754572
- John Watson, D.O.McComb, MS 396481851370795
Common questions
What is Clifton Dale Williams, M.D.'s NPI number?
Clifton Dale Williams, M.D.'s National Provider Identifier (NPI) is 1538257654, issued on Oct 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Clifton Dale Williams, M.D. located?
The NPPES record lists a practice address at 215 Marion Ave, McComb, MS, 39648. Phone: (601) 249-1382. Providers update this record themselves, so call before visiting.
How can I verify Clifton Dale Williams, M.D.'s license?
NPPES lists Mississippi license number 13945, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Clifton Dale Williams, M.D. prescribe under Medicare Part D?
In 2024, Clifton Dale Williams, M.D. had 153 Medicare Part D claims for 115 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
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.