John Craig Cornett, MD
Family Medicine Physician · Gretna, LA
John Craig Cornett, MD is a family medicine physician with a practice address in Gretna, Louisiana, and NPI 1821122342, issued on Mar 15, 2007. Check the license (Louisiana 07490R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Craig Cornett
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 07490R LA
Self-reported in NPPES; status is on the state search - Practice location
- 1125 Newton St, Gretna, LA 70053
- Phone
- (504) 361-3041
- Enumerated
- Mar 15, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (504) 361-3005
- Medicaid ID
- 1376329 LA
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,728 in Louisiana → Look up another NPI →
Verify John Craig Cornett in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 07490RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average family medicine physician in 2024
37 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Abacavir-Lamivudine12 claims
- Efavirenz12 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.
John Craig Cornett among 1,728 family medicine physician records in Louisiana
John Craig Cornett, MD is one of 1,728 family 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 44% of them.
- NPI issued2007 · 44% of these records are older, 45% 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 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 family medicine physician records list a practice address in Gretna
They are 23 of the 770 NPPES records with a practice address in Gretna, and 1,728 family medicine physician records in Louisiana.
All 1,728 in Louisiana → Every provider in Gretna → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Lydia Breskin, MDGretna, LA 700531275038168
- Thiem Dang, M.D.Gretna, LA 700531194851493
- Ronald McLendon, M.D.Gretna, LA 700531013151091
- Gerard Romaguera, MDGretna, LA 700531770691826
- Brittany Abadie, NPGramercy, LA 700521437077054
- Cassandra Brandon, MDTerrytown, LA 700561508058017
- Ngoc-Thuy Bui, M.D.Gretna, LA 700561306080361
- Rafael Cortes-Moran, MDGretna, LA 700561518916683
Common questions
What is John Craig Cornett, MD's NPI number?
John Craig Cornett, MD's National Provider Identifier (NPI) is 1821122342, issued on Mar 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is John Craig Cornett, MD located?
The NPPES record lists a practice address at 1125 Newton St, Gretna, LA, 70053. Phone: (504) 361-3041. Providers update this record themselves, so call before visiting.
How can I verify John Craig Cornett, MD's license?
NPPES lists Louisiana license number 07490R, 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 John Craig Cornett, MD prescribe under Medicare Part D?
In 2024, John Craig Cornett, MD had 37 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.