Abraham S.C. Chyung, M.D.
NPI 1073590725ActiveIndividual· Psychiatry & Neurology, Neurology· Honolulu, HI
Psychiatry & Neurology, Neurology (M.D.) with Queens University Medical Group, practicing in Honolulu, Hawaii. 171 Medicare patients in 2024, $42,680 paid; nearly all of their 154 Part D prescriptions were generic (92%). Alexion Pharmaceuticals, Inc. was the largest of 20 companies reporting payments in 2025, $859.00 in all, mostly food and beverage. Lists North Hawaii Community Hospital, Inc and 1 other hospital as hospital affiliations.
Overview
| NPI | 1073590725 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 23, 2005 |
| Last updated in NPPES | Apr 15, 2024 |
| Certified by provider | Apr 15, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Neurology Primary | 2084N0400X | 24140 | HI |
| Psychiatry & Neurology, Neurology | 2084N0400X | A79187 | CA |
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 - Neurology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 436 across 8 procedure codes |
| Paid by Medicare | $42,680 |
Part D prescriptions in 2024
| Prescriptions (claims) | 154 · 296 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $54,088 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Neurology |
| Telehealth | Offers telehealth |
Medical group
- Queens University Medical GroupHonolulu, HI · 614 clinicians
Hospital affiliations
- North Hawaii Community Hospital, IncKamuela, HI
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$859.00 · 36 payments from 20 companies
- 2024$886.60 · 36 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alexion Pharmaceuticals, Inc. | $118.36 | 4 |
| Pfizer Inc. | $89.59 | 4 |
| Eisai Inc. | $86.73 | 3 |
| Genentech USA, Inc. | $81.03 | 4 |
| Teva Pharmaceuticals USA, Inc. | $65.73 | 4 |
What the 2025 payments were for
- Food and Beverage$830.37 · 35 payments
- Education$28.63 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Psychiatry & Neurology, Neurology providers in Honolulu
- 1245163104
- 1245690817
- 1164307690
- 1003054578
- 1043442908
- 1962672220
- 1053245100
- 1558598615
- 1942208764
- 1205793304
- 1053046904
- 1154502896