John Richard Jackson, M.D.
NPI 1457350902ActiveIndividual· Family Medicine· San Marcos, TX
Family Medicine (M.D.) in San Marcos, Texas, trained at University of Texas Medical School at Houston (class of 1977). Their prescriptions cost Medicare Part D more than their services did: $720,877 for 9,765 claims, against $10,871 paid for services in 2024. Geron Corporation was the largest of 2 companies reporting payments in 2025, $39.48 in all, mostly food and beverage.
Overview
| NPI | 1457350902 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 18, 2005 |
| Last updated in NPPES | Jan 24, 2022 |
| Certified by provider | Jan 24, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | E8587 | TX |
| Family Medicine | 207Q00000X | 056102 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (GA); Practitioner - Family Practice (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 90 |
|---|---|
| Services billed | 295 across 20 procedure codes |
| Paid by Medicare | $10,871 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,765 · 22,403 30-day fills |
|---|---|
| Patients | 866 |
| Total drug cost | $720,877 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Texas Medical School at Houston |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Family Practice |
Medical group
- Wellmed Medical Group PASan Antonio, TX · 646 clinicians
Industry payments (Open Payments)
- 2025$39.48 · 2 payments from 2 companies
- 2024$36.24 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Geron Corporation | $24.01 | 1 |
| Exact Sciences Corporation | $15.47 | 1 |
What the 2025 payments were for
- Food and Beverage$39.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 family medicine physicians in San Marcos · All family medicine physicians in Texas