Casey Lynn Duvall, MD
General Practice Physician · Gretna, LA
Casey Lynn Duvall, MD is a general practice physician with a practice address in Gretna, Louisiana, and NPI 1023695368, issued on Mar 24, 2021. Check the license (Louisiana 339214, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Casey Lynn Duvall
- Credential
- MD
- Primary taxonomy
- General Practice Physician 208D00000X
- License numbers
- 339214 LA
125081036 IL
Self-reported in NPPES; status is on the state search - Practice location
- 308 Sugarpine Dr, Gretna, LA 70056
- Phone
- (504) 494-1044
- Enumerated
- Mar 24, 2021
- Record last updated
- Nov 19, 2023
- Medicare enrollment
- Enrolled (PECOS I20231204003604); accepts Medicare assignment
- Medical or professional school
- Louisiana State University School Of Medicine In New Orleans, 2021
- Entity
- Type 1 · individual
8 nearest general practice physician records → All 145 in Louisiana → Look up another NPI →
Verify Casey Lynn Duvall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 339214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average general practice physician in 2024
296 Medicare Part D claims for 201 beneficiaries, against an average of 3,030 among the 8,395 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone38 claims
- Amoxicillin-Clavulanate Potass29 claims
- Nitrofurantoin Mono-Macro27 claims
- Amoxicillin19 claims
- Fluticasone Propionate19 claims
- Albuterol Sulfate Hfa16 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.
Bills Medicare through one group practice
- Rapid Urgent Care IncMandeville, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Casey Lynn Duvall among 145 general practice physician records in Louisiana
Casey Lynn Duvall, MD is one of 145 general practice physician records with a practice address in Louisiana. 61% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 88% of them.
- NPI issued2021 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileYes · 37% of these records are
- Graduated2021 · median 2005 among the 53 with a school on file
- Record last updated2023 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
General Practice Physician providers in Louisiana
There are 145 general practice physician records in Louisiana.
All 145 in Louisiana → Every provider in Gretna → General Practice Physician nationwide →
The 8 general practice physician records with the nearest ZIP codes
- James Okun, MDGretna, LA 700531144496704
- Earle Sudderth,jr., M.D.Gretna, LA 700531689812463
- Carmen Linares, MDKenner, LA 700651477425973
- Vinicio Madrigal, MDKenner, LA 700651831372945
- Scott Conklin, M.D.Chalmette, LA 700431043385693
- Monica Benson, MDLuling, LA 700701205960341
- Richard Sabatier, M.D.Marrero, LA 700721740424084
- Jarelle Scott, M.D.Marrero, LA 700721700079084
Common questions
What is Casey Lynn Duvall, MD's NPI number?
Casey Lynn Duvall, MD's National Provider Identifier (NPI) is 1023695368, issued on Mar 24, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Casey Lynn Duvall, MD located?
The NPPES record lists a practice address at 308 Sugarpine Dr, Gretna, LA, 70056. Phone: (504) 494-1044. Providers update this record themselves, so call before visiting.
How can I verify Casey Lynn Duvall, MD's license?
NPPES lists Louisiana license number 339214, 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 Casey Lynn Duvall, MD prescribe under Medicare Part D?
In 2024, Casey Lynn Duvall, MD had 296 Medicare Part D claims for 201 beneficiaries; the average among general practice physician prescribers was 3,030. 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.