Joanna Chow Ngit Agena, FNP-BC, APRN-RX
NPI 1750656641ActiveIndividual· Nurse Practitioner· Seattle, WA
Nurse Practitioner (FNP-BC, APRN-RX) with Kapiolani Medical Specialists and 2 other groups, practicing in Seattle, Washington. Their prescriptions cost Medicare Part D more than their services did: $565,024 for 229 claims, against $14,326 paid for services in 2024. Seagen Inc. reported $99.99 in payments in 2025, mostly education. Lists Kapiolani Medical Center for Women & Children and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1750656641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-BC, APRN-RX |
| Sole proprietor | No |
| NPI issued | Mar 12, 2012 |
| Last updated in NPPES | Aug 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | AP60865167 | WA |
| Nurse Practitioner, Family | 363LF0000X | 1422 | HI |
| Registered Nurse | 163W00000X | RN60863760 | WA |
| Nurse Practitioner, Family | 363LF0000X | 384 | HI |
| Nurse Practitioner, Family | 363LF0000X | 95003785 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 246 across 10 procedure codes |
| Paid by Medicare | $14,326 |
Part D prescriptions in 2024
| Prescriptions (claims) | 229 · 300 30-day fills |
|---|---|
| Patients | 81 |
| Total drug cost | $565,024 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Kapiolani Medical SpecialistsHonolulu, HI · 97 clinicians
- Pali Momi Medical CenterAiea, HI · 90 clinicians
- Kapiolani Medical Center for Women and ChildrenHonolulu, HI · 17 clinicians
Hospital affiliations
- Kapiolani Medical Center for Women & ChildrenHonolulu, HI
- Pali Momi Medical CenterAiea, HI
- Straub Clinic and HospitalHonolulu, HI
Industry payments (Open Payments)
- 2025$99.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Seagen Inc. | $99.99 | 1 |
What the 2025 payments were for
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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