NPPES file of Aug 9, 2026

Alan T. Williams, MD

Specialist · Columbus, MS

Alan T. Williams, MD is a specialist with a practice address in Columbus, Mississippi, and NPI 1215951439, issued on Jul 27, 2006. Check the license (Mississippi 12379, as entered in NPPES) with the Mississippi board that licenses this profession; 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
1215951439
Name
Alan T. Williams
Credential
MD
Primary taxonomy
Specialist 174400000X
License number
12379 MS
Self-reported in NPPES; status is on the state search
Practice location
600 Leigh Dr, Columbus, MS 39705
Phone
(662) 327-7525
Enumerated
Jul 27, 2006
Record last updated
Jan 10, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(662) 243-2252
Medicaid ID
00017598 MS
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 600 Leigh Dr

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

  1. Mary Abrams, CFNPNurse Practitioner1376620849
  2. Micah Banks, CFNPFamily Nurse Practitioner1164948105
  3. Amber Brasfield, NPFamily Nurse Practitioner1821584673
  4. Elizabeth Fountain, ANP-CAdult Health Nurse Practitioner1700220969
  5. Mary Garner, M.D.Anatomic Pathology & Clinical Pathology Physician1437346962
  6. Kayla Grey, APRNRegistered Nurse1417767344

Verify Alan T. Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
    Search for license 12379
    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
Find the Mississippi 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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33% fewer Medicare Part D claims than the average specialist in 2024

924 Medicare Part D claims for 260 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.

  1. Alan Williams924
  2. Specialty average1,380

Most prescribed

  1. Omeprazole180 claims
  2. Pantoprazole Sodium164 claims
  3. Famotidine92 claims
  4. Linzess90 claims
  5. Dicyclomine Hcl45 claims
  6. Sod Sulf-Potass Sulf-Mag Sulf33 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): 83.6 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 score87.1
  2. Costout of 100 · 30%60.2
  3. Promoting interoperabilitynot scored (reweighted)
  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: $488.39

26 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alan Williams$488.39
  2. Specialty average$4,760.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Alan T. Williams among 220 specialist records in Mississippi

Alan T. Williams, MD is one of 220 specialist records with a practice address in Mississippi. 36% 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 11% of them.

  • NPI issued2006 · 11% of these records are older, 44% newer
  • In a Medicare fileYes · 36% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2012 · 89% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Mississippi

There are 220 specialist records in Mississippi.

The 8 specialist records with the nearest ZIP codes

  1. John Atkins, CRNAColumbus, MS 397051164520425
  2. Mark Burtman, M.D.Columbus, MS 397051790752681
  3. Samuel Johnson, MDColumbus, MS 397051083638217
  4. Reynolds McCain, M.D.Columbus, MS 397051922111459
  5. James Rawson, MDColumbus, MS 397051659380673
  6. Michael White, MDColumbus, MS 397051730181520
  7. Shailesh Patel, M.D.Ackerman, MS 397351316911837
  8. Lori Taylor, OTWoodville, MS 396691255429924

Common questions

What is Alan T. Williams, MD's NPI number?

Alan T. Williams, MD's National Provider Identifier (NPI) is 1215951439, issued on Jul 27, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alan T. Williams, MD located?

The NPPES record lists a practice address at 600 Leigh Dr, Columbus, MS, 39705. Phone: (662) 327-7525. Providers update this record themselves, so call before visiting.

How can I verify Alan T. Williams, MD's license?

NPPES lists Mississippi license number 12379, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.

How much does Alan T. Williams, MD prescribe under Medicare Part D?

In 2024, Alan T. Williams, MD had 924 Medicare Part D claims for 260 beneficiaries; the average among specialist prescribers was 1,380. Part D covers Medicare prescriptions only.

What is Alan T. Williams, MD's MIPS final score?

The 2023 MIPS final score is 83.6 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.