John Michael Barnard, D.O.
NPI 1639599608ActiveIndividual· Internal Medicine· Jackson, MS
Internal Medicine (D.O.) in Jackson, Mississippi, trained at William Carey University College of Osteopathic Medicine (class of 2014). 384 Medicare patients in 2024, $94,182 paid; nearly all of their 1,248 Part D prescriptions were generic (90%). Abbvie Inc. was the largest of 5 companies reporting payments in 2025, $203.00 in all, mostly food and beverage.
Overview
| NPI | 1639599608 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 17, 2014 |
| Last updated in NPPES | Sep 22, 2026 |
| Certified by provider | Sep 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25137 | MS |
| Internal Medicine | 207R00000X | BP10048759 | TX |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 384 |
|---|---|
| Services billed | 1,205 across 12 procedure codes |
| Paid by Medicare | $94,182 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,248 · 1,747 30-day fills |
|---|---|
| Patients | 289 |
| Total drug cost | $58,043 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | William Carey University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
Medical group
- Medical Foundation of Central Mississippi IncJackson, MS · 272 clinicians
Hospital affiliation
- Mississippi Baptist Medical CenterJackson, MS
Other facilities
- Mississippi Homecare of JacksonHome health agency · Jackson, MS
- GentivaHospice · Jackson, MS
Industry payments (Open Payments)
- 2025$203.00 · 10 payments from 5 companies
- 2024$603.99 · 28 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $74.49 | 4 |
| Pfizer Inc. | $64.76 | 3 |
| Stryker Corporation | $30.48 | 1 |
| Abiomed | $22.66 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $10.61 | 1 |
What the 2025 payments were for
- Food and Beverage$203.00 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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