Mary Minah Cheng, O.D.
NPI 1477582849ActiveIndividual· Optometrist· Rosemead, CA
Optometrist (O.D.) in Rosemead, California, trained at Southern California College of Optometry (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $813,139 for 2,353 claims, against $67,797 paid for services in 2024. Sun Pharmaceutical Industries Inc. was the largest of 5 companies reporting payments in 2025, $937.98 in all, mostly food and beverage.
Overview
| NPI | 1477582849 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | O.D. |
| Sole proprietor | No |
| NPI issued | Jun 30, 2006 |
| Last updated in NPPES | Nov 22, 2025 |
| Certified by provider | Nov 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Optometrist Primary | 152W00000X | OPT 127820 TPA | 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) | Enrolled Practitioner - Optometry (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 286 |
|---|---|
| Services billed | 1,195 across 11 procedure codes |
| Paid by Medicare | $67,797 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,353 · 2,728 30-day fills |
|---|---|
| Patients | 430 |
| Total drug cost | $813,139 |
| Generic share | 17% of claims |
Education and affiliations
| Medical school | Southern California College of Optometry |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Optometry |
Industry payments (Open Payments)
- 2025$937.98 · 46 payments from 5 companies
- 2024$852.72 · 34 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sun Pharmaceutical Industries Inc. | $427.23 | 21 |
| Alcon Vision LLC | $313.01 | 15 |
| Bausch & Lomb Americas Inc. | $105.81 | 6 |
| Harrow Eye, LLC | $73.10 | 3 |
| Tarsus Pharmaceuticals, Inc. | $18.83 | 1 |
What the 2025 payments were for
- Food and Beverage$937.98 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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