Marissa Rivers
NPI 1841979937ActiveIndividual· Optometrist· Gainesville, FL
Optometrist with Newsom Eye and Laser Center, Inc., practicing in Gainesville, Florida. In 2024 Medicare paid $61,711 for 503 patients, and Part D covered 334 of their prescriptions, 64% of them generic. Biotissue Holdings Inc. was the largest of 2 companies reporting payments in 2025, $142.58 in all, mostly food and beverage.
Overview
| NPI | 1841979937 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jul 14, 2023 |
| Last updated in NPPES | Sep 21, 2026 |
| Certified by provider | Sep 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | 6295 | FL |
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 - Optometry (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 503 |
|---|---|
| Services billed | 928 across 20 procedure codes |
| Paid by Medicare | $61,711 |
Part D prescriptions in 2024
| Prescriptions (claims) | 334 · 401 30-day fills |
|---|---|
| Patients | 137 |
| Total drug cost | $20,966 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Optometry |
Medical group
- Newsom Eye and Laser Center, Inc.Tampa, FL · 14 clinicians
Industry payments (Open Payments)
- 2025$142.58 · 2 payments from 2 companies
- 2024$450.37 · 8 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biotissue Holdings Inc. | $117.42 | 1 |
| Dompe US, Inc. | $25.16 | 1 |
What the 2025 payments were for
- Food and Beverage$142.58 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 optometrists in Gainesville · All optometrists in Florida