Loi M. Chang-Stroman, MD
NPI 1780770529ActiveIndividual· Internal Medicine· Kailua Kona, HI
Internal Medicine (MD) in Kailua Kona, Hawaii, trained at Howard University College of Medicine (class of 1987). In 2024 Medicare paid $99,854 for 744 patients, and Part D covered 1,183 of their prescriptions, 87% of them generic. Amgen Inc. was the largest of 2 companies reporting payments in 2025, $56.96 in all, mostly food and beverage.
Overview
| NPI | 1780770529 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 5, 2006 |
| Last updated in NPPES | Apr 11, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 8269 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 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 | 744 |
|---|---|
| Services billed | 2,434 across 37 procedure codes |
| Paid by Medicare | $99,854 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,183 · 1,403 30-day fills |
|---|---|
| Patients | 698 |
| Total drug cost | $40,365 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Howard University College of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Internal Medicine |
Medical group
- Joy A McElroy M D IncKailua Kona, HI · 3 clinicians
Hospital affiliation
- Kona Community HospitalKealakekua, HI
Industry payments (Open Payments)
- 2025$56.96 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $33.21 | 1 |
| Sun Pharmaceutical Industries Inc. | $23.75 | 1 |
What the 2025 payments were for
- Food and Beverage$56.96 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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