Samira Reyes Dassum, MD
NPI 1457703720ActiveIndividual· Internal Medicine, Infectious Disease· Providence, RI
Internal Medicine, Infectious Disease (MD) with Prospect Chartercare Physicians LLC, practicing in Providence, Rhode Island. Their prescriptions cost Medicare Part D more than their services did: $15,437 for 81 claims, against $9,523 paid for services in 2024. Gilead Sciences, Inc. was the largest of 3 companies reporting payments in 2025, $289.57 in all, mostly food and beverage. Lists Roger Williams Medical Center as a hospital affiliation.
Overview
| NPI | 1457703720 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2016 |
| Last updated in NPPES | Jul 21, 2022 |
| Certified by provider | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | MD18356 | RI |
| Internal Medicine | 207R00000X | 267248 | MA |
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 (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 100 across 9 procedure codes |
| Paid by Medicare | $9,523 |
Part D prescriptions in 2024
| Prescriptions (claims) | 81 · 90 30-day fills |
|---|---|
| Patients | 22 |
| Total drug cost | $15,437 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
| Telehealth | Offers telehealth |
Medical group
- Prospect Chartercare Physicians LLCCranston, RI · 67 clinicians
Hospital affiliation
- Roger Williams Medical CenterProvidence, RI
Industry payments (Open Payments)
- 2025$289.57 · 6 payments from 3 companies
- 2024$167.38 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $152.82 | 4 |
| Phathom Pharmaceuticals, Inc. | $121.60 | 1 |
| Insmed, Inc. | $15.15 | 1 |
What the 2025 payments were for
- Food and Beverage$289.57 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 55 infectious disease specialists in Providence · All infectious disease specialists in Rhode Island