John Michael Barnard, D.O.
Internal Medicine Physician · Jackson, MS
John Michael Barnard, D.O. is an internal medicine physician with a practice address in Jackson, Mississippi, and NPI 1639599608, issued on Apr 17, 2014. Check the license (Mississippi 25137, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- John Michael Barnard
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 25137 MS
BP10048759 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1225 N State St, Jackson, MS 39202
- Phone
- (601) 988-5281
- Enumerated
- Apr 17, 2014
- Record last updated
- Jun 11, 2024
- Fax
- (601) 974-6241
- Medicare enrollment
- Enrolled (PECOS I20170818000197); accepts Medicare assignment
- Medical or professional school
- William Carey University College Of Osteopathic Medicine, 2014
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 1225 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Abdu Mohamed Abdallah Ahmed, MDFamily Medicine Physician1851824171
- Cantrell AndersonPsychiatric/Mental Health Nurse Practitioner1780356212
- Anamaria Andrei, M.DAnatomic Pathology & Clinical Pathology Physician1285829200
- Jadeline Anyumba-Mitema, MDInternal Medicine Physician1457873812
- Brianna Arrington, MDHospitalist Physician1194353391
- Anthony Ashmore, MDInternal Medicine Physician1447830237
Verify John Michael Barnard in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 25137Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,248 Medicare Part D claims for 289 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 46 claims were for opioids.
Most prescribed
- Clopidogrel147 claims
- Atorvastatin Calcium105 claims
- Carvedilol67 claims
- Pantoprazole Sodium55 claims
- Amlodipine Besylate51 claims
- Eliquis44 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 87.1 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $603.99
28 payments; by number, the most common kind was food and beverage; the largest payer was Janssen Pharmaceuticals, 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.
Bills Medicare through one group practice
- Medical Foundation OF Central Mississippi IncJackson, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Michael Barnard among 972 internal medicine physician records in Mississippi
John Michael Barnard, D.O. is one of 972 internal medicine physician records with a practice address in Mississippi. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 55% of them.
- NPI issued2014 · 55% of these records are older, 43% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2014 · median 2008 among the 585 with a school on file
- Record last updated2024 · 52% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
328 internal medicine physician records list a practice address in Jackson
They are 328 of the 6,997 NPPES records with a practice address in Jackson, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Jackson → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Christina Barlow, M.D.Jackson, MS 392021043244510
- Jon Beall, M.D.Jackson, MS 392021922179548
- Freeman Bennett, M.D.Jackson, MS 392021750326724
- Nancy Campbell, M.D.Jackson, MS 392021558432005
- Katheryn Del Castillo-Arceo, M.D.Jackson, MS 392021609945716
- Gordon Delashmet, M.D.Jackson, MS 392021538104757
- Matthew George, M.D.Jackson, MS 392021659383297
- Jessie George, M.D.Jackson, MS 392021881606440
Common questions
What is John Michael Barnard, D.O.'s NPI number?
John Michael Barnard, D.O.'s National Provider Identifier (NPI) is 1639599608, issued on Apr 17, 2014. An NPI identifies a provider in billing; it is not a license.
Where is John Michael Barnard, D.O. located?
The NPPES record lists a practice address at 1225 N State St, Jackson, MS, 39202. Phone: (601) 988-5281. Providers update this record themselves, so call before visiting.
How can I verify John Michael Barnard, D.O.'s license?
NPPES lists Mississippi license number 25137, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John Michael Barnard, D.O. prescribe under Medicare Part D?
In 2024, John Michael Barnard, D.O. had 1,248 Medicare Part D claims for 289 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is John Michael Barnard, D.O.'s MIPS final score?
The 2023 MIPS final score is 87.1 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.