John Vernon Barton, MD
Internal Medicine Physician · Slidell, LA
John Vernon Barton, MD is an internal medicine physician with a practice address in Slidell, Louisiana, and NPI 1841233095, issued on Jun 14, 2006. Check the license (Louisiana 09183R, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- John Vernon Barton
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 09183R LA
12086 MS
Self-reported in NPPES; status is on the state search - Practice location
- 3769 Pontchartrain Dr Ste 1, Slidell, LA 70458
- Phone
- (985) 643-5242
- Enumerated
- Jun 14, 2006
- Record last updated
- Jan 19, 2026
- Medicaid IDs
- 1938335 LA
00125261 MS - Medicare enrollment
- Enrolled (PECOS I20070404000188); accepts Medicare assignment
- Medical or professional school
- University Of Mississippi School Of Medicine, 1988
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,749 in Louisiana → Look up another NPI →
Verify John Vernon Barton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
Search for license 09183RCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,268 Medicare Part D claims for 283 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 1,056 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen545 claims
- Oxycodone-Acetaminophen334 claims
- Gabapentin245 claims
- Alprazolam227 claims
- Amlodipine Besylate227 claims
- Pantoprazole Sodium184 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: $389.78
22 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
John Vernon Barton among 1,749 internal medicine physician records in Louisiana
John Vernon Barton, MD is one of 1,749 internal 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 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 58% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1988 · median 2008 among the 1,216 with a school on file
- Record last updated2026 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Louisiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 internal medicine physician records list a practice address in Slidell
They are 39 of the 1,838 NPPES records with a practice address in Slidell, and 1,749 internal medicine physician records in Louisiana.
All 1,749 in Louisiana → Every provider in Slidell → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Stephen Baker, MDSlidel, LA 704581013011303
- Aleta Declouet, M.D.Slidell, LA 704581033163977
- Marie Delvalle-Mahoney, M.D.Slidell, LA 704581972645786
- Peter Galvan, M.D.Slidell, LA 704581609876580
- James Griffee, M.D.Slidell, LA 704581427006055
- Michael Guarisco, M.D.Slidell, LA 704581699830539
- Thomas Hall, M.D.Slidell, LA 704581457349896
- Alvin Haynes, MDSlidell, LA 704581356438170
Common questions
What is John Vernon Barton, MD's NPI number?
John Vernon Barton, MD's National Provider Identifier (NPI) is 1841233095, issued on Jun 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Vernon Barton, MD located?
The NPPES record lists a practice address at 3769 Pontchartrain Dr Ste 1, Slidell, LA, 70458. Phone: (985) 643-5242. Providers update this record themselves, so call before visiting.
How can I verify John Vernon Barton, MD's license?
NPPES lists Louisiana license number 09183R, 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 Vernon Barton, MD prescribe under Medicare Part D?
In 2024, John Vernon Barton, MD had 7,268 Medicare Part D claims for 283 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.