Rafael Alfonso Chaparro Jr., MD.
NPI 1396486007ActiveIndividual· Student in an Organized Health Care Education/Training Program· Memphis, TN
Student in an Organized Health Care Education/Training Program (MD.) in Memphis, Tennessee, licensed in TX, with an NPI issued in April 2022. Part D covered 57 prescriptions written in 2024, 81% of them generic. Merck Sharp & Dohme LLC was the largest of 5 companies reporting payments in 2025, $127.58 in all, mostly food and beverage.
Overview
| NPI | 1396486007 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD. |
| Sole proprietor | No |
| NPI issued | Apr 5, 2022 |
| Last updated in NPPES | Apr 6, 2025 |
| Certified by provider | Apr 6, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Student in an Organized Health Care Education/Training Program Primary | 390200000X | — | — |
| Internal Medicine | 207R00000X | V3837 | TX |
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 Order and Referring Only - Internal Medicine (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 57 · 64 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $18,698 |
| Generic share | 81% of claims |
Industry payments (Open Payments)
- 2025$127.58 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $33.85 | 1 |
| Eisai Inc. | $25.70 | 1 |
| Paratek Pharmaceuticals, Inc. | $24.92 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $22.65 | 1 |
| Ambu Inc. | $20.46 | 1 |
What the 2025 payments were for
- Food and Beverage$127.58 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 1,187 Student in an Organized Health Care Education/Training Program providers in Memphis · All Student in an Organized Health Care Education/Training Program providers in Tennessee