Margaret Elder
Internal Medicine Physician · Baton Rouge, LA
Margaret Elder is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1659075448, issued on Mar 28, 2023. Check the license on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Margaret Elder
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- H0107466 MD
Self-reported in NPPES; status is on the state search - Practice location
- 5246 Brittany Dr, Baton Rouge, LA 70808
- Phone
- (225) 757-4142
- Enumerated
- Mar 28, 2023
- Record last updated
- Jul 15, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 5246 Brittany Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Margaret Elder in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical ExaminersCheck 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
37 Medicare Part D claims for 27 beneficiaries, 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.
Margaret Elder among 1,749 internal medicine physician records in Louisiana
Margaret Elder 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 2023, is newer than 96% of them.
- NPI issued2023 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2026 · 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).
256 internal medicine physician records list a practice address in Baton Rouge
They are 256 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Baton Rouge → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Leo Blaize, M.D.Baton Rouge, LA 708081578563177
- Andre Bonnecaze, M.D.Baton Rouge, LA 708081144221060
- Curtis Chastain, M.D.Baton Rouge, LA 708081144220906
- Rachel Gruner, M.D.Baton Rouge, LA 708081306848197
- Charles Halliburton, M.D.Baton Rouge, LA 708081083614721
- Jon Jackson, M.D.Baton Rouge, LA 708081013909118
- Jeri Johnson, M.D.Baton Rouge, LA 708081689674111
- Jeffrey Kahn, MDBaton Rouge, LA 708081134129737
Common questions
What is Margaret Elder's NPI number?
Margaret Elder's National Provider Identifier (NPI) is 1659075448, issued on Mar 28, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Elder located?
The NPPES record lists a practice address at 5246 Brittany Dr, Baton Rouge, LA, 70808. Phone: (225) 757-4142. Providers update this record themselves, so call before visiting.
How can I verify Margaret Elder's license?
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 Margaret Elder prescribe under Medicare Part D?
In 2024, Margaret Elder had 37 Medicare Part D claims for 27 beneficiaries; 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.