Lennis Joseph Derouen, M.D.
Emergency Medicine Physician · Biloxi, MS
Lennis Joseph Derouen, M.D. is an emergency medicine physician with a practice address in Biloxi, Mississippi, and NPI 1295714160, issued on Jan 10, 2006. Check the license (Mississippi 13520, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Lennis Joseph Derouen
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 13520 MS
Self-reported in NPPES; status is on the state search - Practice location
- 979 Tommy Munro Dr, Biloxi, MS 39532
- Phone
- (228) 388-0091
- Enumerated
- Jan 10, 2006
- Record last updated
- Oct 4, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (228) 388-0094
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 515 in Mississippi → Look up another NPI →
Verify Lennis Joseph Derouen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 13520Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average emergency medicine physician in 2024
19 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
Industry payments in 2024: $70.36
3 payments; by number, the most common kind was food and beverage; the largest payer was Revance Therapeutics, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Lennis Joseph Derouen among 515 emergency medicine physician records in Mississippi
Lennis Joseph Derouen, M.D. is one of 515 emergency medicine physician records with a practice address in Mississippi. 83% 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 under 1% of them.
- NPI issued2006 · under 1% of these records are older, 66% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileNo · 66% of these records are
- Record last updated2011 · 57% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
22 emergency medicine physician records list a practice address in Biloxi
They are 22 of the 1,402 NPPES records with a practice address in Biloxi, and 515 emergency medicine physician records in Mississippi.
All 515 in Mississippi → Every provider in Biloxi → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Gregory BaquetBiloxi, MS 395311528090651
- Martin Docherty, MDBiloxi, MS 395311104848241
- Christopher Smelley, D.O.Biloxi, MS 395311134368939
- Ryan Anderson, DOBiloxi, MS 395341093192726
- Michael Arocho, M.D.Biloxi, MS 395341972665156
- Daniel Barker, M.D.Biloxi, MS 395341588013858
- Kelly Dewey, D.O.Biloxi, MS 395341952656183
- Brian Ferguson, D.O.;M.P.H.Biloxi, MS 395341770977035
Common questions
What is Lennis Joseph Derouen, M.D.'s NPI number?
Lennis Joseph Derouen, M.D.'s National Provider Identifier (NPI) is 1295714160, issued on Jan 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lennis Joseph Derouen, M.D. located?
The NPPES record lists a practice address at 979 Tommy Munro Dr, Biloxi, MS, 39532. Phone: (228) 388-0091. Providers update this record themselves, so call before visiting.
How can I verify Lennis Joseph Derouen, M.D.'s license?
NPPES lists Mississippi license number 13520, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Lennis Joseph Derouen, M.D. prescribe under Medicare Part D?
In 2024, Lennis Joseph Derouen, M.D. had 19 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.