Michael Wayne Chan, M.D.
NPI 1003841834ActiveIndividual· Internal Medicine, Cardiovascular Disease· Aiea, HI
Internal Medicine, Cardiovascular Disease (M.D.) in Aiea, Hawaii, trained at University of California, Irvine, California College of Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $1,518,705 for 3,965 claims, against $392,765 paid for services in 2024. Abbott Laboratories was the largest of 9 companies reporting payments in 2025, $547.46 in all, mostly food and beverage.
Overview
| NPI | 1003841834 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 11, 2006 |
| Last updated in NPPES | Dec 26, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 8690 | HI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | G71314 | 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 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 - Cardiovascular Disease (Cardiology) (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,054 |
|---|---|
| Services billed | 4,182 across 35 procedure codes |
| Paid by Medicare | $392,765 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,965 · 10,987 30-day fills |
|---|---|
| Patients | 625 |
| Total drug cost | $1,518,705 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Telehealth | Offers telehealth |
Hospital affiliations
- Pali Momi Medical CenterAiea, HI
- Straub Clinic and HospitalHonolulu, HI
- The Queens Medical CenterHonolulu, HI
Industry payments (Open Payments)
- 2025$547.46 · 18 payments from 9 companies
- 2024$898.98 · 25 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $172.46 | 1 |
| Pfizer Inc. | $70.89 | 2 |
| Amgen Inc. | $67.20 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $59.50 | 3 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $48.89 | 3 |
What the 2025 payments were for
- Food and Beverage$547.46 · 18 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Aiea
- 1083719140
- 1821350174
- 1407341464
- 1801186200
- 1467494732
- 1063916252
All Internal Medicine, Cardiovascular Disease providers in Hawaii →