Alanna Marcia Silverstein, M.D.
NPI 1538164181ActiveIndividual· Internal Medicine· Richardson, TX
Internal Medicine (M.D.) in Richardson, Texas, trained at University of Texas Medical Branch at Galveston (class of 1978). Their prescriptions cost Medicare Part D more than their services did: $747,033 for 8,477 claims, against $79,297 paid for services in 2024. Amgen Inc. was the largest of 19 companies reporting payments in 2025, $2,890 in all, mostly food and beverage.
Overview
| NPI | 1538164181 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 19, 2005 |
| Last updated in NPPES | May 18, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | F2007 | 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 Practitioner - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 197 |
|---|---|
| Services billed | 966 across 33 procedure codes |
| Paid by Medicare | $79,297 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,477 · 20,005 30-day fills |
|---|---|
| Patients | 518 |
| Total drug cost | $747,033 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Texas Medical Branch at Galveston |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Internal Medicine |
Medical group
- MedhealthDallas, TX · 450 clinicians
Hospital affiliations
- Baylor Scott & White Medical Center PlanoPlano, TX
- Medical City PlanoPlano, TX
- Methodist Richardson Medical CenterRichardson, TX
Industry payments (Open Payments)
- 2025$2,890 · 58 payments from 19 companies
- 2024$2,625 · 51 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $443.57 | 5 |
| Lilly USA, LLC | $432.20 | 7 |
| Novo Nordisk Inc | $329.26 | 6 |
| Pfizer Inc. | $295.66 | 6 |
| Abbott Laboratories | $230.25 | 6 |
What the 2025 payments were for
- Food and Beverage$2,890 · 58 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 109 internal medicine physicians in Richardson · All internal medicine physicians in Texas