NPPES file of Aug 9, 2026

John Christian Johnson, MD

Internal Medicine Physician · Baton Rouge, LA

John Christian Johnson, MD is an internal medicine physician with a practice address in Baton Rouge, Louisiana, and NPI 1902556210, issued on Mar 28, 2022. Check the license (Louisiana 346086, 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
1902556210
Name
John Christian Johnson
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
346086 LA
Self-reported in NPPES; status is on the state search
Practice location
5246 Brittany Dr, Baton Rouge, LA 70808
Phone
(225) 757-4142
Enumerated
Mar 28, 2022
Record last updated
Sep 17, 2025
Medicare enrollment
Enrolled (PECOS I20250723004723); accepts Medicare assignment
Medical or professional school
Louisiana State University School Of Medicine In New Orleans, 2022
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 5246 Brittany Dr

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

  1. Jerielle AdamsEmergency Medicine Physician1174813018
  2. Richard Adams, MDStudent in an Organized Health Care Education/Training Program1396548244
  3. Tarini AlapatiStudent in an Organized Health Care Education/Training Program1326625443
  4. Andrew AmmonsStudent in an Organized Health Care Education/Training Program1215677281
  5. Tiffany Ardoin, M.D.Internal Medicine Physician1821484080
  6. Joshua AymondClinical Cardiac Electrophysiology Physician1144630369

Verify John Christian Johnson 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 346086
    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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86% fewer Medicare Part D claims than the average internal medicine physician in 2024

429 Medicare Part D claims for 49 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. John Johnson429
  2. Specialty average3,176

Most prescribed

  1. Amlodipine Besylate36 claims
  2. Atorvastatin Calcium25 claims
  3. Ozempic25 claims
  4. Furosemide18 claims
  5. Eliquis17 claims
  6. Pantoprazole Sodium17 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: $18.88

1 payment: food and beverage; the largest payer was Salix Pharmaceuticals, a division of Bausch Health US, LLC. 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 Johnson$18.88
  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 2 group practices

  1. Lsuhn Billing LLCBaton Rouge, LA
  2. Our Lady OF The Lake Physician Group LLCBaton Rouge, LA

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

John Christian Johnson among 1,749 internal medicine physician records in Louisiana

John Christian Johnson, 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 2022, is newer than 92% of them.

  • NPI issued2022 · 92% of these records are older, 4% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2022 · median 2008 among the 1,216 with a school on file
  • Record last updated2025 · 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).

256 internal medicine physician records list a practice address in Baton Rouge

They are 256 of the 12,526 NPPES records with a practice address in Baton Rouge, and 1,749 internal medicine physician records in Louisiana.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Leo Blaize, M.D.Baton Rouge, LA 708081578563177
  2. Andre Bonnecaze, M.D.Baton Rouge, LA 708081144221060
  3. Curtis Chastain, M.D.Baton Rouge, LA 708081144220906
  4. Rachel Gruner, M.D.Baton Rouge, LA 708081306848197
  5. Charles Halliburton, M.D.Baton Rouge, LA 708081083614721
  6. Jon Jackson, M.D.Baton Rouge, LA 708081013909118
  7. Jeri Johnson, M.D.Baton Rouge, LA 708081689674111
  8. Jeffrey Kahn, MDBaton Rouge, LA 708081134129737

Common questions

What is John Christian Johnson, MD's NPI number?

John Christian Johnson, MD's National Provider Identifier (NPI) is 1902556210, issued on Mar 28, 2022. An NPI identifies a provider in billing; it is not a license.

Where is John Christian Johnson, MD located?

The NPPES record lists a practice address at 5246 Brittany Dr, Baton Rouge, LA, 70808. Phone: (225) 757-4142. Providers update this record themselves, so call before visiting.

How can I verify John Christian Johnson, MD's license?

NPPES lists Louisiana license number 346086, 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 Christian Johnson, MD prescribe under Medicare Part D?

In 2024, John Christian Johnson, MD had 429 Medicare Part D claims for 49 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.