Constance M. Gistand, MD
Internal Medicine Physician · Marrero, LA
Constance M. Gistand, MD is an internal medicine physician with a practice address in Marrero, Louisiana, and NPI 1225014327, issued on Dec 20, 2005. Check the license (Louisiana 023979, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Constance M. Gistand
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 023979 LA
Self-reported in NPPES; status is on the state search - Practice location
- 1101 Medical Center Blvd, Marrero, LA 70072
- Phone
- (504) 349-1119
- Enumerated
- Dec 20, 2005
- Record last updated
- Aug 16, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (504) 349-1146
- Medicare enrollment
- Enrolled (PECOS I20040304000745); accepts Medicare assignment
- Medical or professional school
- University Of Iowa, Rj & L Carver College Of Medicine, 1996
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 1101 Medical Center Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Constance M. Gistand in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 023979Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
23 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Bills Medicare through 2 group practices
- Administrators OF The Tulane Educational FundNew Orleans, LA
- St Tammany Parish Hospital Service District NO 1Covington, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Constance M. Gistand among 1,749 internal medicine physician records in Louisiana
Constance M. Gistand, MD is one of 1,749 internal medicine physician records with a practice address in Louisiana. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1996 · median 2008 among the 1,216 with a school on file
- Record last updated2010 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
46 internal medicine physician records list a practice address in Marrero
They are 46 of the 1,117 NPPES records with a practice address in Marrero, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Marrero → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Scott Acosta, MDMarrero, LA 700721023018199
- Lauren Barial, M.D.Marrero, LA 700721699758821
- Walter Bortz, M.D.Marrero, LA 700721225012016
- Alan Bowers, MDMarrero, LA 700721306832886
- Craig Ehrensing, MDMarrero, LA 700721538127618
- Shaunda Jones, M.D.Marrero, LA 700721891734190
- Yvens Laborde, MDMarrero, LA 700721891744264
- Thomas Melancon, M.D.Marrero, LA 700721811989197
Common questions
What is Constance M. Gistand, MD's NPI number?
Constance M. Gistand, MD's National Provider Identifier (NPI) is 1225014327, issued on Dec 20, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Constance M. Gistand, MD located?
The NPPES record lists a practice address at 1101 Medical Center Blvd, Marrero, LA, 70072. Phone: (504) 349-1119. Providers update this record themselves, so call before visiting.
How can I verify Constance M. Gistand, MD's license?
NPPES lists Louisiana license number 023979, 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 Constance M. Gistand, MD prescribe under Medicare Part D?
In 2024, Constance M. Gistand, MD had 23 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.