Michael C. Yang, MD
NPI 1699336974ActiveIndividual· Ophthalmology· Orange, CA
Ophthalmology (MD) with Central Valley Eye Medical Group Inc, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $634,960 for 4,811 claims, against $88,361 paid for services in 2024. Nova Eye, Inc. was the largest of 8 companies reporting payments in 2025, $532.73 in all, mostly food and beverage. Lists Doctors Hospital of Manteca as a hospital affiliation.
Overview
| NPI | 1699336974 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 26, 2019 |
| Last updated in NPPES | Sep 3, 2026 |
| Certified by provider | Sep 3, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A180708 | 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 - Ophthalmology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 461 |
|---|---|
| Services billed | 1,096 across 27 procedure codes |
| Paid by Medicare | $88,361 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,811 · 9,446 30-day fills |
|---|---|
| Patients | 1,296 |
| Total drug cost | $634,960 |
| Generic share | 52% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Central Valley Eye Medical Group IncModesto, CA · 11 clinicians
Hospital affiliation
- Doctors Hospital of MantecaManteca, CA
Industry payments (Open Payments)
- 2025$532.73 · 11 payments from 8 companies
- 2024$557.87 · 13 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nova Eye, Inc. | $222.75 | 1 |
| Alcon Vision LLC | $166.12 | 4 |
| Abbvie Inc. | $33.23 | 1 |
| Mallinckrodt Hospital Products Inc. | $24.44 | 1 |
| Rxsight Inc | $24.36 | 1 |
What the 2025 payments were for
- Food and Beverage$309.98 · 10 payments
- Entertainment$222.75 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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