Lalitha Chalasani, M.D.
Internal Medicine Physician · Baton Rouge, LA
Lalitha Chalasani, M.D. is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1447258462, issued on Jul 13, 2005. Check the license (Louisiana 12672R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Lalitha Chalasani
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 12672R LA
Self-reported in NPPES; status is on the state search - Practice location
- 7887 Picardy Ave, Baton Rouge, LA 70809
- Phone
- (225) 405-4076
- Enumerated
- Jul 13, 2005
- Record last updated
- Feb 24, 2026
- Medicaid ID
- 1544507 LA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Also registered at 7887 Picardy Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Casey Courtney, PAPhysician Assistant1659711240
- John Grezaffi, MDDiagnostic Radiology Physician1659575173
Verify Lalitha Chalasani in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 12672RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
351 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate23 claims
- Atorvastatin Calcium19 claims
- Albuterol Sulfate Hfa15 claims
- Alendronate Sodium12 claims
- Hydrochlorothiazide11 claims
- Ozempic11 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.
Lalitha Chalasani among 1,749 internal medicine physician records in Louisiana
Lalitha Chalasani, 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 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 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
- Jeryl Breaux, M.D.Baton Rouge, LA 708091801823679
- Vernon Chee, M.D.Baton Rouge, LA 708091255442125
- Alina Fotino, M.D.Baton Rouge, LA 708091457460420
- Mark Garbutt, M.D.Baton Rouge, LA 708091861488793
- Brian Gremillion, M.D.Baton Rouge, LA 708091326049545
- Susan McNamara, MDBaton Rouge, LA 708091770535056
- Bradley Meek, M.D.Baton Rouge, LA 708091659379477
- Yolanda O'RourkeBaton Rouge, LA 708091003921255
Common questions
What is Lalitha Chalasani, M.D.'s NPI number?
Lalitha Chalasani, M.D.'s National Provider Identifier (NPI) is 1447258462, issued on Jul 13, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Lalitha Chalasani, M.D. located?
The NPPES record lists a practice address at 7887 Picardy Ave, Baton Rouge, LA, 70809. Phone: (225) 405-4076. Providers update this record themselves, so call before visiting.
How can I verify Lalitha Chalasani, M.D.'s license?
NPPES lists Louisiana license number 12672R, 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 Lalitha Chalasani, M.D. prescribe under Medicare Part D?
In 2024, Lalitha Chalasani, M.D. had 351 Medicare Part D claims for 63 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.