Marianne Halphen Gelter, D.O.
Pain Medicine (Anesthesiology) Physician · Slidell, LA
Marianne Halphen Gelter, D.O. is a pain medicine (anesthesiology) physician with a practice address in Slidell, Louisiana, and NPI 1437681848, issued on Apr 3, 2017. Check the license (Louisiana 330907, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Marianne Halphen Gelter
- Credential
- D.O.
- Primary taxonomy
- Pain Medicine (Anesthesiology) Physician 207LP2900X
- License number
- 330907 LA
Self-reported in NPPES; status is on the state search - Practice location
- 310 Gateway Dr Ste B, Slidell, LA 70461
- Phone
- (985) 288-5088
- Enumerated
- Apr 3, 2017
- Record last updated
- Aug 23, 2022
- Fax
- (985) 259-8803
- Medicare enrollment
- Enrolled (PECOS I20220712001614); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest pain medicine (anesthesiology) physician records → All 57 in Louisiana → Look up another NPI →
Also registered at 310 Gateway Dr Ste B
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Davis, NURSE PRACTITIONERPediatric Nurse Practitioner1083999064
- Hatem Hamed, M.D.,M.B.,CH.B.,M.S.Emergency Medicine Physician1841434404
- Jennifer Maraia, M.D.Pediatrics Physician1558408062
Verify Marianne Halphen Gelter in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 330907Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average pain medicine (anesthesiology) physician in 2024
1,483 Medicare Part D claims for 393 beneficiaries, against an average of 1,750 among the 2,982 providers of this specialty who prescribed in Part D. 560 claims were for opioids.
Most prescribed
- Gabapentin287 claims
- Pregabalin260 claims
- Oxycodone-Acetaminophen229 claims
- Hydrocodone-Acetaminophen186 claims
- Meloxicam112 claims
- Tramadol Hcl109 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: $1,202.00
21 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 2,789 providers of this specialty with any payment received $3,225.41 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.
Bills Medicare through one group practice
- Ochsner Clinic LLCKenner, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marianne Halphen Gelter among 57 pain medicine (anesthesiology) physician records in Louisiana
Marianne Halphen Gelter, D.O. is one of 57 pain medicine (anesthesiology) physician records with a practice address in Louisiana. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 86% of them.
- NPI issued2017 · 86% of these records are older, 7% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2017 · median 2007 among the 44 with a school on file
- Record last updated2022 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207LP2900X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pain Medicine (Anesthesiology) Physician providers in Louisiana
There are 57 pain medicine (anesthesiology) physician records in Louisiana.
All 57 in Louisiana → Every provider in Slidell → Pain Medicine (Anesthesiology) Physician nationwide →
The 8 pain medicine (anesthesiology) physician records with the nearest ZIP codes
- John Vu, MDSlidell, LA 704611841450780
- Artemus Flagg, M.D.Slidell, LA 704581427161157
- Antonio Waring, M.D.Slidell, LA 704581750412946
- Thomas Myers, M.D.Mandeville, LA 704481881973956
- Alexander Fontenot, M.D.Lacombe, LA 704451932589264
- Mark Motejunas, M.D.Lacombe, LA 704451093165789
- Nathan Harrison, M.D.Covington, LA 704331801916523
- Lowell Shih, M.D.Covington, LA 704331972846426
Common questions
What is Marianne Halphen Gelter, D.O.'s NPI number?
Marianne Halphen Gelter, D.O.'s National Provider Identifier (NPI) is 1437681848, issued on Apr 3, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Marianne Halphen Gelter, D.O. located?
The NPPES record lists a practice address at 310 Gateway Dr Ste B, Slidell, LA, 70461. Phone: (985) 288-5088. Providers update this record themselves, so call before visiting.
How can I verify Marianne Halphen Gelter, D.O.'s license?
NPPES lists Louisiana license number 330907, as entered by the provider. Search the Louisiana State Board of Medical Examiners at https://www.lsbme.la.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marianne Halphen Gelter, D.O. prescribe under Medicare Part D?
In 2024, Marianne Halphen Gelter, D.O. had 1,483 Medicare Part D claims for 393 beneficiaries; the average among pain medicine (anesthesiology) physician prescribers was 1,750. 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.