NPPES file of Aug 9, 2026

William Brock Martin, DMD

Dentist · Meridian, MS

William Brock Martin, DMD is a dentist with a practice address in Meridian, Mississippi, and NPI 1447452636, issued on Jun 1, 2007. Check the license (Mississippi 3396-06, 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 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1447452636
Name
William Brock Martin
Credential
DMD
Primary taxonomy
Dentist 122300000X
License number
3396-06 MS
Self-reported in NPPES; status is on the state search
Practice location
1411 23RD Ave, Meridian, MS 39301
Phone
(601) 482-5701
Enumerated
Jun 1, 2007
Record last updated
Oct 18, 2010 (not updated in 16 years: call before relying on the address or phone)
Fax
(601) 482-8401
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 1411 23RD Ave

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

  1. Robert Justus, DDSPeriodontics1932171576

Verify William Brock Martin 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 3396-06
    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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2.5 times the Medicare Part D claims of the average dentist in 2024

214 Medicare Part D claims for 116 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. 44 claims were for opioids.

  1. William Martin214
  2. Specialty average86

Most prescribed

  1. Amoxicillin93 claims
  2. Clindamycin Hcl51 claims
  3. Hydrocodone-Acetaminophen40 claims
  4. Chlorhexidine Gluconate11 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.

William Brock Martin among 536 dentist records in Mississippi

William Brock Martin, DMD is one of 536 dentist records with a practice address in Mississippi. 69% 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 25% of them.

  • NPI issued2007 · 25% of these records are older, 51% newer
  • In a Medicare fileYes · 69% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2010 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 dentist records list a practice address in Meridian

They are 15 of the 1,291 NPPES records with a practice address in Meridian, and 536 dentist records in Mississippi.

The 8 dentist records with the nearest ZIP codes

  1. David Gilmore, DMDMeridian, MS 393011386705259
  2. James Griffith, D.D.S.Meridian, MS 393011942410881
  3. James Hover, DDSMeridian, MS 393011922113265
  4. Denise Ruffin, DDSMeridian, MS 393011063594588
  5. Harvey Shirley, DMDMeridian, MS 393011487877221
  6. Frank Achorn, DMDMeridian, MS 393051538213814
  7. Benjamin Davis, DDSMeridian, MS 393051912491754
  8. Taylor Farland, D.D.S.Meridian, MS 393051497192876

Common questions

What is William Brock Martin, DMD's NPI number?

William Brock Martin, DMD's National Provider Identifier (NPI) is 1447452636, issued on Jun 1, 2007. An NPI identifies a provider in billing; it is not a license.

Where is William Brock Martin, DMD located?

The NPPES record lists a practice address at 1411 23RD Ave, Meridian, MS, 39301. Phone: (601) 482-5701. Providers update this record themselves, so call before visiting.

How can I verify William Brock Martin, DMD's license?

NPPES lists Mississippi license number 3396-06, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.

How much does William Brock Martin, DMD prescribe under Medicare Part D?

In 2024, William Brock Martin, DMD had 214 Medicare Part D claims for 116 beneficiaries; the average among dentist prescribers was 86. 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.