Diane Mary Sinclair, M.D.
Internal Medicine Physician · New Orleans, LA
Diane Mary Sinclair, M.D. is an internal medicine physician with a practice address in New Orleans, Louisiana, and NPI 1528196771, issued on Mar 1, 2007. Check the license (Louisiana MD.023228, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Diane Mary Sinclair
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD.023228 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2000 Lakeshore Dr, New Orleans, LA 70148
- Phone
- (504) 280-6387
- Enumerated
- Mar 1, 2007
- Record last updated
- Jul 24, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (504) 280-5405
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 2000 Lakeshore Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Anna HarrisonAthletic Trainer1134644768
- Kenneth LachoBlind Rehabilitation Specialist/Technologist1356132237
- Martyron MillerMental Health Counselor1922465178
Verify Diane Mary Sinclair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license MD.023228Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average internal medicine physician in 2024
286 Medicare Part D claims for 42 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium26 claims
- Amlodipine Besylate14 claims
- Omeprazole14 claims
- Levothyroxine Sodium13 claims
- Valacyclovir13 claims
- Fluticasone Propionate12 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.
Diane Mary Sinclair among 1,749 internal medicine physician records in Louisiana
Diane Mary Sinclair, M.D. 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 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 50% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2007 · 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
- James Cole, M.D.New Orleans, LA 701311073584108
- Kiet Le, MDNew Orleans, LA 701311821194135
- Mary Abell, M.D.New Orleans, LA 701301083631089
- Marius Commodore, MDNew Orleans, LA 701301568660652
- Jenny Cunningham, M.D.New Orleans, LA 701301245567312
- Logan DaviesNew Orleans, LA 701301639468721
- Jeremy Dumas, M.D.New Orleans, LA 701301104808757
- Donald Erwin, M.D.New Orleans, LA 701301821012352
Common questions
What is Diane Mary Sinclair, M.D.'s NPI number?
Diane Mary Sinclair, M.D.'s National Provider Identifier (NPI) is 1528196771, issued on Mar 1, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Diane Mary Sinclair, M.D. located?
The NPPES record lists a practice address at 2000 Lakeshore Dr, New Orleans, LA, 70148. Phone: (504) 280-6387. Providers update this record themselves, so call before visiting.
How can I verify Diane Mary Sinclair, M.D.'s license?
NPPES lists Louisiana license number MD.023228, 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 Diane Mary Sinclair, M.D. prescribe under Medicare Part D?
In 2024, Diane Mary Sinclair, M.D. had 286 Medicare Part D claims for 42 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.