Kristian Lundgren-Koszeghy, DMD, MMSC.
NPI 1639187800ActiveIndividual· Dentist, Periodontics· Palo Alto, CA
Opted out of Medicare from January 2018 to January 2028. Dentist, Periodontics (DMD, MMSC.) in Palo Alto, California, licensed in CA, with an NPI issued in August 2006. Part D covered 332 prescriptions written in 2024, 94% of them generic. Biohorizons Implant Systems Inc. was the largest of 2 companies reporting payments in 2025, $181.31 in all, mostly food and beverage.
Overview
| NPI | 1639187800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD, MMSC. |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Nov 21, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Periodontics Primary | 1223P0300X | 51967 | 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 Jan 25, 2018 – Jan 25, 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) | 332 · 350 30-day fills |
|---|---|
| Patients | 192 |
| Total drug cost | $3,234 |
| Generic share | 94% of claims |
Industry payments (Open Payments)
- 2025$181.31 · 4 payments from 2 companies
- 2024$94.16 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biohorizons Implant Systems Inc. | $148.86 | 2 |
| Henry Schein, Inc. | $32.45 | 2 |
What the 2025 payments were for
- Food and Beverage$181.31 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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