Melissa Corson, M.D.
Student in an Organized Health Care Education/Training Program (M.D.) in Los Angeles, California, trained at University of Hawaii John A. Burns School of Medicine (class of 2016). 107 Medicare patients in 2024, $16,959 paid; nearly all of their 153 Part D prescriptions were generic (93%). Janssen Biotech, Inc. was the largest of 12 companies reporting payments in 2025, $2,802 in all, mostly food and beverage.
Overview
| NPI | 1225490428 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 25, 2016 |
| Last updated in NPPES | Apr 9, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Student in an Organized Health Care Education/Training Program Primary | 390200000X | — | 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 - Gastroenterology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 107 |
|---|---|
| Services billed | 190 across 16 procedure codes |
| Paid by Medicare | $16,959 |
Part D prescriptions in 2024
| Prescriptions (claims) | 153 · 232 30-day fills |
|---|---|
| Patients | 103 |
| Total drug cost | $18,404 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Hawaii John A. Burns School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Castle Medical CenterKailua, HI · 77 clinicians
Hospital affiliation
- Adventist Health CastleKailua, HI
Industry payments (Open Payments)
- 2025$2,802 · 82 payments from 12 companies
- 2024$850.37 · 22 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $1,187 | 31 |
| Madrigal Pharmaceuticals | $486.30 | 9 |
| Abbvie Inc. | $458.21 | 17 |
| Takeda Pharmaceuticals U.S.A., Inc. | $287.27 | 10 |
| Pfizer Inc. | $84.11 | 4 |
What the 2025 payments were for
- Food and Beverage$2,751 · 81 payments
- Education$50.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 6,802 Student in an Organized Health Care Education/Training Program providers in Los Angeles · All Student in an Organized Health Care Education/Training Program providers in California