NPPES file of Aug 9, 2026

Gregg A. May, D.D.S.

Dentist · Mandeville, LA

Gregg A. May, D.D.S. is a dentist with a practice address in Mandeville, Louisiana, and NPI 1972679389, issued on Nov 28, 2006. Check the license (Louisiana 5258, as entered in NPPES) with the Louisiana 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
1972679389
Name
Gregg A. May
Credential
D.D.S.
Primary taxonomy
Dentist 122300000X
License number
5258 LA
Self-reported in NPPES; status is on the state search
Practice location
4040 Lonesome RD, Mandeville, LA 70448
Phone
(985) 626-5030
Enumerated
Nov 28, 2006
Record last updated
May 14, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(985) 626-5018
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 4040 Lonesome RD

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

  1. Patrick Henderson, D.D.S.General Practice Dentistry1457651192
  2. Evan Riley, DDSDentist1316475080

Verify Gregg A. May in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
    Search for license 5258
    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 Louisiana 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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1% fewer Medicare Part D claims than the average dentist in 2024

85 Medicare Part D claims for 45 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Gregg May85
  2. Specialty average86

Most prescribed

  1. Clindamycin Hcl26 claims
  2. Amoxicillin-Clavulanate Potass20 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: $66.78

2 payments; by number, the most common kind was food and beverage; the largest payer was Zest Holdings, LLC. The 31,974 providers of this specialty with any payment received $540.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gregg May$66.78
  2. Specialty average$540.36

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

Gregg A. May among 898 dentist records in Louisiana

Gregg A. May, D.D.S. is one of 898 dentist records with a practice address in Louisiana. 70% 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, 79% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileNo · 1% of these records are
  • Record last updated2014 · 67% 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 Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 dentist records list a practice address in Mandeville

They are 16 of the 1,117 NPPES records with a practice address in Mandeville, and 898 dentist records in Louisiana.

The 8 dentist records with the nearest ZIP codes

  1. Michelle Leblanc, DDSMandeville, LA 704481528274966
  2. Evan Riley, DDSMandeville, LA 704481316475080
  3. Olivia Stassen, DDSMandeville, LA 704481871168336
  4. Truit Acosta, DDSMadisonville, LA 704471598913717
  5. Thomas Drake, DDSMadisonville, LA 704471891858759
  6. Daniela Eversgerd, D.M.D.Madisonville, LA 704471477765428
  7. Leigh Flattmann, D.D.S.Madisonville, LA 704471942343611
  8. Emily Lacour, DDSMadisonville, LA 704471427496199

Common questions

What is Gregg A. May, D.D.S.'s NPI number?

Gregg A. May, D.D.S.'s National Provider Identifier (NPI) is 1972679389, issued on Nov 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gregg A. May, D.D.S. located?

The NPPES record lists a practice address at 4040 Lonesome RD, Mandeville, LA, 70448. Phone: (985) 626-5030. Providers update this record themselves, so call before visiting.

How can I verify Gregg A. May, D.D.S.'s license?

NPPES lists Louisiana license number 5258, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.

How much does Gregg A. May, D.D.S. prescribe under Medicare Part D?

In 2024, Gregg A. May, D.D.S. had 85 Medicare Part D claims for 45 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.