Madeleine Porter Groth, DDS
General Practice Dentistry · New Iberia, LA
Madeleine Porter Groth, DDS is a general practice dentistry with a practice address in New Iberia, Louisiana, and NPI 1932558798, issued on Jun 11, 2016. Check the license (Louisiana 6667, as entered in NPPES) with the Louisiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Madeleine Porter Groth
- Credential
- DDS
- Primary taxonomy
- General Practice Dentistry 1223G0001X
- License number
- 6667 LA
Self-reported in NPPES; status is on the state search - Practice location
- 600 Rue DE Onetta, New Iberia, LA 70563
- Phone
- (337) 369-6587
- Enumerated
- Jun 11, 2016
- Record last updated
- Jun 11, 2016 (not updated in 10 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest general practice dentistry records → All 1,468 in Louisiana → Look up another NPI →
Also registered at 600 Rue DE Onetta
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Charpentier, DDSGeneral Practice Dentistry1528143955
- Chelsea Guilliot, D.M.D.Dentist1164941266
Verify Madeleine Porter Groth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Louisiana board licenses this profession
Search for license 6667Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average general practice dentistry in 2024
44 Medicare Part D claims for 27 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin21 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: $19.13
1 payment: food and beverage; the largest payer was Envista Holdings Corporation. The 41,669 providers of this specialty with any payment received $597.01 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.
Madeleine Porter Groth among 1,468 general practice dentistry records in Louisiana
Madeleine Porter Groth, DDS is one of 1,468 general practice dentistry 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 2016, is newer than 77% of them.
- NPI issued2016 · 77% of these records are older, 21% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2016 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
17 general practice dentistry records list a practice address in New Iberia
They are 17 of the 710 NPPES records with a practice address in New Iberia, and 1,468 general practice dentistry records in Louisiana.
All 1,468 in Louisiana → Every provider in New Iberia → General Practice Dentistry nationwide →
The 8 general practice dentistry records with the nearest ZIP codes
- John Beyt, D.D.S.New Iberia, LA 705631588778203
- Michael Cason, D.D.S.New Iberia, LA 705631639581663
- Rebecca Charpentier, DDSNew Iberia, LA 705631528143955
- Mark Derouen, D.D.S.New Iberia, LA 705631134253768
- Randy Dugas, DDSNew Iberia, LA 705631033187687
- Wayne Gary, D.D.S.New Iberia, LA 705631275684532
- Donald Henagan, D.D.S.New Iberia, LA 705631679661995
- Luke JordanNew Iberia, LA 705631174937312
Common questions
What is Madeleine Porter Groth, DDS's NPI number?
Madeleine Porter Groth, DDS's National Provider Identifier (NPI) is 1932558798, issued on Jun 11, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Madeleine Porter Groth, DDS located?
The NPPES record lists a practice address at 600 Rue DE Onetta, New Iberia, LA, 70563. Phone: (337) 369-6587. Providers update this record themselves, so call before visiting.
How can I verify Madeleine Porter Groth, DDS's license?
NPPES lists Louisiana license number 6667, as entered by the provider. Search the Louisiana board that licenses this profession; the NPPES record confirms identity only.
How much does Madeleine Porter Groth, DDS prescribe under Medicare Part D?
In 2024, Madeleine Porter Groth, DDS had 44 Medicare Part D claims for 27 beneficiaries; the average among general practice dentistry prescribers was 83. 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.