Shannon Nissen, DDS, MS
NPI 1134423965ActiveIndividual· Dentist, Orthodontics and Dentofacial Orthopedics· Mission Viejo, CA
Dentist, Orthodontics and Dentofacial Orthopedics (DDS, MS) in Mission Viejo, California, licensed in CA, with an NPI issued in January 2011. Purelife, LLC was the largest of 3 companies reporting payments in 2025, $1,340 in all, mostly gifts.
Overview
| NPI | 1134423965 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS, MS |
| Sole proprietor | No |
| NPI issued | Jan 10, 2011 |
| Last updated in NPPES | Sep 30, 2025 |
| Certified by provider | Sep 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, Orthodontics and Dentofacial Orthopedics Primary | 1223X0400X | 56349 | 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 |
|---|
Industry payments (Open Payments)
- 2025$1,340 · 7 payments from 3 companies
- 2024$125.83 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Purelife, LLC | $1,000 | 1 |
| World Class Technology Corporation | $183.17 | 3 |
| Envista Holdings Corporation | $156.55 | 3 |
What the 2025 payments were for
- Gift$1,000 · 1 payment
- Food and Beverage$183.17 · 3 payments
- Education$156.55 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Dentist, Orthodontics and Dentofacial Orthopedics providers in California →