Benjamin Stuart Thomas, MD, MSCI
NPI 1164658019ActiveIndividual· Internal Medicine, Infectious Disease· Honolulu, HI
Internal Medicine, Infectious Disease (MD, MSCI) in Honolulu, Hawaii, trained at Mercer University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $778,803 for 1,144 claims, against $149,539 paid for services in 2024. Insmed, Inc. was the largest of 3 companies reporting payments in 2025, $430.52 in all, mostly food and beverage.
Overview
| NPI | 1164658019 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, MSCI |
| Sole proprietor | Yes |
| NPI issued | Jun 5, 2009 |
| Last updated in NPPES | Mar 19, 2026 |
| Certified by provider | Mar 19, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | MD-18023 | HI |
| Internal Medicine, Infectious Disease | 207RI0200X | 2013015515 | MO |
| Internal Medicine | 207R00000X | 073163 | 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 - Infectious Disease (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 387 |
|---|---|
| Services billed | 1,512 across 17 procedure codes |
| Paid by Medicare | $149,539 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,144 · 1,437 30-day fills |
|---|---|
| Patients | 201 |
| Total drug cost | $778,803 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | Mercer University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Adventist Health CastleKailua, HI
- Hilo Benioff Medical CenterHilo, HI
- Pali Momi Medical CenterAiea, HI
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$430.52 · 22 payments from 3 companies
- 2024$357.34 · 25 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Insmed, Inc. | $344.63 | 19 |
| Viiv Healthcare Company | $61.71 | 2 |
| Gilead Sciences, Inc. | $24.18 | 1 |
What the 2025 payments were for
- Food and Beverage$430.52 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 39 infectious disease specialists in Honolulu · All infectious disease specialists in Hawaii