NPPES file of Aug 9, 2026

Derek Warren, D.M.D , M.S.

Endodontics · Hattiesburg, MS

Derek Warren, D.M.D , M.S. is an endodontics with a practice address in Hattiesburg, Mississippi, and NPI 1396103933, issued on Feb 9, 2016. Check the license (Mississippi 3852-16, 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
1396103933
Name
Derek Warren
Credential
D.M.D , M.S.
Primary taxonomy
Endodontics 1223E0200X
License number
3852-16 MS
Self-reported in NPPES; status is on the state search
Practice location
6668 Highway 98 West, Hattiesburg, MS 39402
Phone
(601) 475-9608
Enumerated
Feb 9, 2016
Record last updated
Jun 22, 2026
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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8 nearest endodontics records → All 26 in Mississippi → Look up another NPI →

Verify Derek Warren 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 3852-16    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

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60% fewer Medicare Part D claims than the average endodontics in 2024

49 Medicare Part D claims for 41 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Derek Warren49
  2. Specialty average121

Most prescribed

  1. Amoxicillin29 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.

Derek Warren among 26 endodontics records in Mississippi

Derek Warren, D.M.D , M.S. is one of 26 endodontics records with a practice address in Mississippi. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 92% of them.

  • NPI issued2016 · 92% of these records are older, 0% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2026 · 81% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Endodontics providers in Mississippi

There are 26 endodontics records in Mississippi.

All 26 in Mississippi → Every provider in Hattiesburg → Endodontics nationwide →

The 8 endodontics records with the nearest ZIP codes

  1. Joel Stanley, D.M.D.Hattiesburg, MS 394021154546117
  2. Mark Moore, D.M.D.Meridian, MS 393011699981183
  3. Ronald Bourgeois, DDSGulfport, MS 395071346335064
  4. Brandon Anderson, DMDBiloxi, MS 395321932211489
  5. Benjamin Schrock, D.M.D.Biloxi, MS 395321003916826
  6. Mark Roberts, D.M.D.Biloxi, MS 395341528024833
  7. Richard Rice, DDSOcean Springs, MS 395641235349143
  8. Charles Ratcliff, D.M.D., M.S.D.Flowood, MS 392321730476060

Common questions

What is Derek Warren, D.M.D , M.S.'s NPI number?

Derek Warren, D.M.D , M.S.'s National Provider Identifier (NPI) is 1396103933, issued on Feb 9, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Derek Warren, D.M.D , M.S. located?

The NPPES record lists a practice address at 6668 Highway 98 West, Hattiesburg, MS, 39402. Phone: (601) 475-9608. Providers update this record themselves, so call before visiting.

How can I verify Derek Warren, D.M.D , M.S.'s license?

NPPES lists Mississippi license number 3852-16, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.

How much does Derek Warren, D.M.D , M.S. prescribe under Medicare Part D?

In 2024, Derek Warren, D.M.D , M.S. had 49 Medicare Part D claims for 41 beneficiaries; the average among endodontics prescribers was 121. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.