Marc J. Gross, D.D.S.
NPI 1689615130ActiveIndividual· Dentist, Periodontics· Encino, CA
Opted out of Medicare from February 2016 to February 2028. Dentist, Periodontics (D.D.S.) in Encino, California, licensed in CA, with an NPI issued in June 2006. Part D covered 96 prescriptions written in 2024, 88% of them generic. Straumann USA LLC reported $69.13 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689615130 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | No |
| NPI issued | Jun 8, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Periodontics Primary | 1223P0300X | DX35724 | 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 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Feb 28, 2016 – Feb 29, 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) | 96 · 96 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $390.28 |
| Generic share | 88% of claims |
Industry payments (Open Payments)
- 2025$69.13 · 1 payment from 1 company
- 2024$2,800 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Straumann USA LLC | $69.13 | 1 |
What the 2025 payments were for
- Food and Beverage$69.13 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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