John M. Langley, M.D.
Emergency Medicine Physician · Gretna, LA
John M. Langley, M.D. is an emergency medicine physician with a practice address in Gretna, Louisiana, and NPI 1255374781, issued on Jun 13, 2006. Check the license (Louisiana MD.07341R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John M. Langley
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD.07341R LA
H4982 LA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Belle Chasse Highway, Gretna, LA 70056
- Phone
- (504) 392-3131
- Enumerated
- Jun 13, 2006
- Record last updated
- Oct 29, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid IDs
- 09509364 MS
1379549 LA - Medicare enrollment
- Enrolled (PECOS I20041117000669); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 1982
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,000 in Louisiana → Look up another NPI →
Also registered at 2500 Belle Chasse Highway
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abdolazim Akhondzadeh, MDHospitalist Physician1932387487
- Jeffrey Borchardt, MDPain Medicine (Anesthesiology) Physician1043224710
- John 'Jay' Brown, MDEmergency Medicine Physician1346283983
- Kayla Clark, CRNACertified Registered Nurse Anesthetist1780296251
- Karen Cockerham, M.D.Emergency Medicine Physician1912941048
- John D'Hemecourt, MDAnesthesiology Physician1164613949
Verify John M. Langley 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.07341RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
5.7 times the Medicare Part D claims of the average emergency medicine physician in 2024
1,285 Medicare Part D claims for 615 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 206 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen153 claims
- Prednisone146 claims
- Albuterol Sulfate Hfa77 claims
- Ondansetron Hcl62 claims
- Pantoprazole Sodium62 claims
- Cephalexin45 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 2 group practices
- Foucher Emergency Group LLCNew Orleans, LA
- Kenner Emergency Group LLCMarrero, LA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John M. Langley among 1,000 emergency medicine physician records in Louisiana
John M. Langley, 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 59% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1982 · median 2010 among the 653 with a school on file
- Record last updated2008 · 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).
19 emergency medicine physician records list a practice address in Gretna
They are 19 of the 770 NPPES records with a practice address in Gretna, and 1,000 emergency medicine physician records in Louisiana.
All 1,000 in Louisiana → Every provider in Gretna → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- John 'Jay' Brown, MDGretna, LA 700561346283983
- Karen Cockerham, M.D.Gretna, LA 700561912941048
- John Krieg, M.D.Gretna, LA 700561972720381
- Jamie Kuo, MDTerrytown, LA 700561255530895
- Edward O'Brien, MDTerrytown, LA 700561972546521
- Charles Ochello, M.D.Gretna, LA 700561467643494
- Nikolaos Psomas, MDGretna, LA 700561881649820
- Phillip Reed, M.D.Gretna, LA 700561235262908
Common questions
What is John M. Langley, M.D.'s NPI number?
John M. Langley, M.D.'s National Provider Identifier (NPI) is 1255374781, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John M. Langley, M.D. located?
The NPPES record lists a practice address at 2500 Belle Chasse Highway, Gretna, LA, 70056. Phone: (504) 392-3131. Providers update this record themselves, so call before visiting.
How can I verify John M. Langley, M.D.'s license?
NPPES lists Louisiana license number MD.07341R, 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 M. Langley, M.D. prescribe under Medicare Part D?
In 2024, John M. Langley, M.D. had 1,285 Medicare Part D claims for 615 beneficiaries; 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.