Anne Z. Mazer, MD
NPI 1518940436ActiveIndividual· Ophthalmology· Riverside, CA
Ophthalmology (MD) in Riverside, California, licensed in CA, with an NPI issued in November 2005. Their prescriptions cost Medicare Part D more than their services did: $89,393 for 1,917 claims, against $22,033 paid for services in 2024. New World Medical,inc. reported $18.01 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1518940436 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 23, 2005 |
| Last updated in NPPES | Dec 29, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G57241 | 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) | Enrolled Practitioner - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 168 |
|---|---|
| Services billed | 288 across 19 procedure codes |
| Paid by Medicare | $22,033 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,917 · 3,330 30-day fills |
|---|---|
| Patients | 453 |
| Total drug cost | $89,393 |
| Generic share | 59% of claims |
Industry payments (Open Payments)
- 2025$18.01 · 1 payment from 1 company
- 2024$53.47 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| New World Medical,inc. | $18.01 | 1 |
What the 2025 payments were for
- Food and Beverage$18.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 ophthalmologists in Riverside · All ophthalmologists in California