Michael S. Greenberg
Internal Medicine Physician · New Orleans, LA
Michael S. Greenberg is an internal medicine physician with a practice address in New Orleans, Louisiana, and NPI 1164537379, issued on Aug 20, 2006. Check the license (Louisiana 321359, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Michael S. Greenberg
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 321359 LA
Self-reported in NPPES; status is on the state search - Practice location
- 4710 S Carrollton Ave, New Orleans, LA 70119
- Phone
- (504) 454-9020
- Enumerated
- Aug 20, 2006
- Record last updated
- Mar 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicaid ID
- 255729100 FL
- Medicare enrollment
- Enrolled (PECOS I20191204002911); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1978
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 4710 S Carrollton Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Michael S. Greenberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 321359Check 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
39 Medicare Part D claims for 14 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.
Bills Medicare through one group practice
- Ochsner Clinic LLCNew Orleans, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael S. Greenberg among 1,749 internal medicine physician records in Louisiana
Michael S. Greenberg 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1978 · median 2008 among the 1,216 with a school on file
- Record last updated2020 · 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).
392 internal medicine physician records list a practice address in New Orleans
They are 392 of the 13,668 NPPES records with a practice address in New Orleans, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in New Orleans → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Meredith BarrNew Orleans, LA 701191225394927
- Samuel Gore, M.D.New Orleans, LA 701191417125766
- Jordan HarryNew Orleans, LA 701191376906479
- Miljana Mandich, M.D.New Orleans, LA 701191962704445
- John Martino, MDNew Orleans, LA 701191790208056
- Raghav Nehru, MDNew Orleans, LA 701191386987014
- Amy Patel, M.D.New Orleans, LA 701191164765418
- Akshar Patel, M.D.New Orleans, LA 701191659752384
Common questions
What is Michael S. Greenberg's NPI number?
Michael S. Greenberg's National Provider Identifier (NPI) is 1164537379, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael S. Greenberg located?
The NPPES record lists a practice address at 4710 S Carrollton Ave, New Orleans, LA, 70119. Phone: (504) 454-9020. Providers update this record themselves, so call before visiting.
How can I verify Michael S. Greenberg's license?
NPPES lists Louisiana license number 321359, 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 Michael S. Greenberg prescribe under Medicare Part D?
In 2024, Michael S. Greenberg had 39 Medicare Part D claims for 14 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.