NPPES file of Aug 9, 2026

John Michael Brown, MD

Internal Medicine Physician · Jefferson, LA

John Michael Brown, MD is an internal medicine physician with a practice address in Jefferson, Louisiana, and NPI 1730760729, issued on Apr 20, 2021. Check the license (Louisiana 342564, as entered in NPPES) on the Louisiana State Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1730760729
Name
John Michael Brown
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
342564 LA
Self-reported in NPPES; status is on the state search
Practice location
1514 Jefferson Hwy, Jefferson, LA 70121
Phone
(504) 842-3910
Enumerated
Apr 20, 2021
Record last updated
Oct 31, 2024
Medicare enrollment
Enrolled (PECOS I20241111002208); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1514 Jefferson Hwy

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Malik AbdeljaberStudent in an Organized Health Care Education/Training Program1568163335
  2. Nabil AhmedStudent in an Organized Health Care Education/Training Program1760310395
  3. Kali Albright, NPGerontology Nurse Practitioner1134924640
  4. Heather Alexander, PA-CPhysician Assistant1013422765
  5. Bader AlkharisiStudent in an Organized Health Care Education/Training Program1659859296
  6. Ashlyn Alongi, MDSurgery Physician1790245728

Verify John Michael Brown in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersLouisiana State Board of Medical Examiners
    Search for license 342564
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Louisiana license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

39 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. John Brown39
  2. Specialty average3,176

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: $31.62

1 payment: food and beverage; the largest payer was Csl Behring. 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.

  1. John Brown$31.62
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ochsner Clinic LLCNew Orleans, LA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Michael Brown among 1,749 internal medicine physician records in Louisiana

John Michael Brown, 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 2021, is newer than 89% of them.

  • NPI issued2021 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2021 · median 2008 among the 1,216 with a school on file
  • Record last updated2024 · 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).

27 internal medicine physician records list a practice address in Jefferson

They are 27 of the 661 NPPES records with a practice address in Jefferson, and 1,749 internal medicine physician records in Louisiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Leslie Blake, MDNew Orleans, LA 701211639137698
  2. William Blalock, MDNew Orleans, LA 701211073570479
  3. James Bragg, MDNew Orleans, LA 701211679530562
  4. Todd Burstain, MDNew Orleans, LA 701211104814763
  5. Kevin Conrad, MDNew Orleans, LA 701211801854203
  6. Rhonda Deen, M.D.Jefferson, LA 701211881685659
  7. Richard Deichmann, MDNew Orleans, LA 701211912901315
  8. Steven Deitelzweig, MDNew Orleans, LA 701211811954910

Common questions

What is John Michael Brown, MD's NPI number?

John Michael Brown, MD's National Provider Identifier (NPI) is 1730760729, issued on Apr 20, 2021. An NPI identifies a provider in billing; it is not a license.

Where is John Michael Brown, MD located?

The NPPES record lists a practice address at 1514 Jefferson Hwy, Jefferson, LA, 70121. Phone: (504) 842-3910. Providers update this record themselves, so call before visiting.

How can I verify John Michael Brown, MD's license?

NPPES lists Louisiana license number 342564, 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 Michael Brown, MD prescribe under Medicare Part D?

In 2024, John Michael Brown, MD had 39 Medicare Part D claims for 14 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.