Nicholas J. Leonards, M.D.
Emergency Medicine Physician · Baton Rouge, LA
Nicholas J. Leonards, M.D. is an emergency medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1275859852, issued on Apr 8, 2010. Check the license (Louisiana MD.206223, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Nicholas J. Leonards
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- MD.206223 LA
Self-reported in NPPES; status is on the state search - Practice location
- 5825 Airline Hwy, Baton Rouge, LA 70805
- Phone
- (225) 358-1000
- Enumerated
- Apr 8, 2010
- Record last updated
- Mar 24, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20130710000154); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,000 in Louisiana → Look up another NPI →
Also registered at 5825 Airline Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Brian Aydell, CRNACertified Registered Nurse Anesthetist1144462060
- Bradley Blasiar, M.D.Emergency Medicine Physician1477812675
- Vincent Blum, M.D.Emergency Medicine Physician1649441486
- Sally BrewsterAnatomic Pathology Physician1306978432
- Elizabeth Britton, NPFamily Nurse Practitioner1437153327
- Joni Claville, M.D.Emergency Medicine Physician1811189087
Verify Nicholas J. Leonards 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.206223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2% fewer Medicare Part D claims than the average emergency medicine physician in 2024
222 Medicare Part D claims for 149 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 18 claims were for opioids.
Most prescribed
- Ondansetron Odt24 claims
- Cefdinir22 claims
- Meloxicam20 claims
- Nitrofurantoin Mono-Macro12 claims
- Hydrocodone-Acetaminophen11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Coolidge Emergency Group LLCLafayette, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas J. Leonards among 1,000 emergency medicine physician records in Louisiana
Nicholas J. Leonards, M.D. is one of 1,000 emergency medicine physician records with a practice address in Louisiana. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 58% of them.
- NPI issued2010 · 58% of these records are older, 39% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2010 · median 2010 among the 653 with a school on file
- Record last updated2020 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
175 emergency medicine physician records list a practice address in Baton Rouge
They are 175 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,000 emergency medicine physician records in Louisiana.
All 1,000 in Louisiana → Every provider in Baton Rouge → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Vincent Blum, M.D.Baton Rouge, LA 708051649441486
- Joni Claville, M.D.Baton Rouge, LA 708051811189087
- Brian Falkner, D.O.Baton Rouge, LA 708051417149238
- Daniel Jones, M.D.Baton Rouge, LA 708051538351093
- Lawrence Koenig, MDBaton Rouge, LA 708051841393444
- Jason MookBaton Rouge, LA 708051104018332
- Angela Moreau, M.D.Baton Rouge, LA 708051235329681
- Daina Parker, M.D.Baton Rouge, LA 708051689866535
Common questions
What is Nicholas J. Leonards, M.D.'s NPI number?
Nicholas J. Leonards, M.D.'s National Provider Identifier (NPI) is 1275859852, issued on Apr 8, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas J. Leonards, M.D. located?
The NPPES record lists a practice address at 5825 Airline Hwy, Baton Rouge, LA, 70805. Phone: (225) 358-1000. Providers update this record themselves, so call before visiting.
How can I verify Nicholas J. Leonards, M.D.'s license?
NPPES lists Louisiana license number MD.206223, 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 Nicholas J. Leonards, M.D. prescribe under Medicare Part D?
In 2024, Nicholas J. Leonards, M.D. had 222 Medicare Part D claims for 149 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Nicholas J. Leonards, M.D.'s MIPS final score?
The 2023 MIPS final score is 87.4 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.