Thomas T. Deleon, M.D.
NPI 1245526623ActiveIndividual· Internal Medicine, Hematology & Oncology· Wailuku, HI
Internal Medicine, Hematology & Oncology (M.D.) in Wailuku, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $2,548,509 for 869 claims, against $135,179 paid for services in 2024.
Overview
| NPI | 1245526623 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 23, 2011 |
| Last updated in NPPES | May 26, 2021 |
| Certified by provider | May 26, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | MD-17723 | HI |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Student in an Organized Health Care Education/Training Program | 390200000X | 50361 | AZ |
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 - Hematology/Oncology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 20 |
|---|---|
| Services billed | 6,139 across 34 procedure codes |
| Paid by Medicare | $135,179 |
Part D prescriptions in 2024
| Prescriptions (claims) | 869 · 1,251 30-day fills |
|---|---|
| Patients | 141 |
| Total drug cost | $2,548,509 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Hawaii Permanente Medical Group IncHonolulu, HI · 704 clinicians
Hospital affiliation
- Kaiser Foundation HospitalHonolulu, HI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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