Anthony Paul Siu, M.D.
NPI 1629166368ActiveIndividual· Internal Medicine· Honolulu, HI
Internal Medicine (M.D.) in Honolulu, Hawaii, trained at University of Hawaii John A. Burns School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $638,150 for 5,592 claims, against $90,921 paid for services in 2024.
Overview
| NPI | 1629166368 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 10, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD-8168 | HI |
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 (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 1,174 across 16 procedure codes |
| Paid by Medicare | $90,921 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,592 · 14,351 30-day fills |
|---|---|
| Patients | 423 |
| Total drug cost | $638,150 |
| Generic share | 90% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Queens University Medical GroupHonolulu, HI · 614 clinicians
Hospital affiliations
- Kapiolani Medical Center for Women & ChildrenHonolulu, HI
- Kuakini Medical CenterHonolulu, HI
- Straub Clinic and HospitalHonolulu, HI
- The Queens Medical CenterHonolulu, HI
Other facilities
- Bayada Home Health CareHome health agency · Honolulu, HI
- Careresource HawaiiHome health agency · Honolulu, HI
- Home Health HonoluluHome health agency · Honolulu, 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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All 687 internal medicine physicians in Honolulu · All internal medicine physicians in Hawaii