Lynna Bui, D.D.S., M.P.H.
NPI 1902967540ActiveIndividual· Dentist, Periodontics· Palo Alto, CA
Opted out of Medicare from April 2026 to April 2028. Dentist, Periodontics (D.D.S., M.P.H.) in Palo Alto, California, licensed in CA, with an NPI issued in December 2006. Part D covered 15 prescriptions written in 2024, 100% of them generic. Straumann USA LLC was the largest of 2 companies reporting payments in 2025, $4,417 in all, mostly food and beverage.
Overview
| NPI | 1902967540 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S., M.P.H. |
| Sole proprietor | No |
| NPI issued | Dec 13, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Periodontics Primary | 1223P0300X | 46755 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Apr 2, 2026 – Apr 2, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 15 · 15 30-day fills |
|---|---|
| Total drug cost | $88.95 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$4,417 · 33 payments from 2 companies
- 2024$850.08 · 37 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Straumann USA LLC | $3,892 | 15 |
| Dentsply Sirona Inc | $525.22 | 18 |
What the 2025 payments were for
- Food and Beverage$2,260 · 31 payments
- Travel and Lodging$2,058 · 1 payment
- Gift$100.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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