Christopher H. Mai, MD
NPI 1083728844ActiveIndividual· Ophthalmology· Aiea, HI
Ophthalmology (MD) in Aiea, Hawaii, trained at Harvard Medical School (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $204,207 for 687 claims, against $41,671 paid for services in 2024. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $149.11 in all, mostly food and beverage.
Overview
| NPI | 1083728844 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 18, 2006 |
| Last updated in NPPES | May 30, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | MD7152 | 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 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 - Ophthalmology (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 161 |
|---|---|
| Services billed | 809 across 7 procedure codes |
| Paid by Medicare | $41,671 |
Part D prescriptions in 2024
| Prescriptions (claims) | 687 · 1,700 30-day fills |
|---|---|
| Patients | 199 |
| Total drug cost | $204,207 |
| Generic share | 48% of claims |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Ophthalmology |
Medical group
- Island Eye Center IncAiea, HI · 2 clinicians
Industry payments (Open Payments)
- 2025$149.11 · 7 payments from 4 companies
- 2024$168.38 · 8 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $65.52 | 3 |
| Alcon Vision LLC | $44.68 | 2 |
| Amgen Inc. | $20.40 | 1 |
| Tarsus Pharmaceuticals, Inc. | $18.51 | 1 |
What the 2025 payments were for
- Food and Beverage$149.11 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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