Nathan Aleger, MD
Internal Medicine Physician · Marrero, LA
Nathan Aleger, MD is an internal medicine physician with a practice address in Marrero, Louisiana, and NPI 1417652546, issued on Mar 30, 2023. Check the license on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nathan Aleger
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- Practice location
- 1101 Medical Center Blvd, Marrero, LA 70072
- Phone
- (504) 349-1656
- Enumerated
- Mar 30, 2023
- Entity
- Type 1 · individual
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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- Latoya Adams, APRNNurse Practitioner1548067085
- Eboni Addison, MSN APRN FNP-CFamily Nurse Practitioner1679192983
- Stephen Agans, MD/MPHEmergency Medicine Physician1730377607
- Michael Alline, M.D.Diagnostic Radiology Physician1740238385
Verify Nathan Aleger 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
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
208 Medicare Part D claims for 26 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Amlodipine Besylate26 claims
- Atorvastatin Calcium21 claims
- Pantoprazole Sodium21 claims
- Tamsulosin Hcl18 claims
- Losartan Potassium16 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.
38 internal medicine physician records list a Marrero practice address
They are 38 of the 1,117 NPPES records with a Marrero practice address, and 1,870 internal medicine physician records in Louisiana.
All 38 in Marrero → All 1,870 in Louisiana → Every provider in Marrero →
Other internal medicine physician records in Louisiana
- Alfred Abaunza, M.D.New Orleans, LA1093994287
- Mokhtar AbdallahBaton Rouge, LA1285050799
- David Abdehou, MDShreveport, LA1568471993
- Mazin Abdelghany, MDCovington, LA1427430669
- Youssef Abdelmalek, M.DAlexandria, LA1639553233
- Mary Abell, M.D.New Orleans, LA1083631089
- Halim Abou-Faycal, MDShreveport, LA1942241708
- Niksad Abraham, MDGonzales, LA1033246970
- Shaun Abraham, M.D.Baton Rouge, LA1174883722
- Shema Abraham, M.DLafayette, LA1285053405
Common questions
What is Nathan Aleger, MD's NPI number?
Nathan Aleger, MD's National Provider Identifier (NPI) is 1417652546, issued on Mar 30, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Nathan Aleger, MD located?
The NPPES record lists a practice address at 1101 Medical Center Blvd, Marrero, LA, 70072. Phone: (504) 349-1656. Providers update this record themselves, so call before visiting.
How can I verify Nathan Aleger, MD'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 Nathan Aleger, MD prescribe under Medicare Part D?
In 2024, Nathan Aleger, MD had 208 Medicare Part D claims for 26 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.