Gregory Yat Cho Lung, D.M.D.
NPI 1689772659ActiveIndividual· Dentist, Oral and Maxillofacial Surgery· Honolulu, HI
Dentist, Oral and Maxillofacial Surgery (D.M.D.) in Honolulu, Hawaii, trained at Tufts University School of Dental Medicine (class of 1990). 28 Medicare patients in 2024, $3,222 paid; all of their 528 Part D prescriptions were generic. Geistlich Pharma, North America, Inc. reported $32.58 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689772659 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.M.D. |
| Sole proprietor | No |
| NPI issued | Sep 21, 2006 |
| Last updated in NPPES | Apr 4, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Oral and Maxillofacial Surgery Primary | 1223S0112X | 1729 | HI |
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 - Oral Surgery (HI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 28 |
|---|---|
| Services billed | 40 across 11 procedure codes |
| Paid by Medicare | $3,222 |
Part D prescriptions in 2024
| Prescriptions (claims) | 528 · 531 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $2,705 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Tufts University School of Dental Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Oral Surgery |
Medical group
- Oral and Maxillofacial Surgery Associates IncHonolulu, HI · 3 clinicians
Industry payments (Open Payments)
- 2025$32.58 · 1 payment from 1 company
- 2024$39.90 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Geistlich Pharma, North America, Inc. | $32.58 | 1 |
What the 2025 payments were for
- Food and Beverage$32.58 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 oral surgeons in Honolulu · All oral surgeons in Hawaii