Michael Dang Pham, DO
NPI 1922462845ActiveIndividual· Ophthalmology· Rancho Cucamonga, CA
Ophthalmology (DO) in Rancho Cucamonga, California, licensed in CA and DC, with an NPI issued in April 2016. Their prescriptions cost Medicare Part D more than their services did: $51,673 for 775 claims, against $8,000 paid for services in 2024. Acadia Pharmaceuticals Inc was the largest of 4 companies reporting payments in 2025, $112.48 in all, mostly food and beverage.
Overview
| NPI | 1922462845 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 6, 2016 |
| Last updated in NPPES | Aug 18, 2026 |
| Certified by provider | Aug 18, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 20A19100 | CA |
| Ophthalmology | 207W00000X | DO034915 | DC |
| Ophthalmology, Pediatric Ophthalmology and Strabismus Specialist | 207WX0110X | 20A19100 | 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); Practitioner - Ophthalmology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 39 |
|---|---|
| Services billed | 105 across 13 procedure codes |
| Paid by Medicare | $8,000 |
Part D prescriptions in 2024
| Prescriptions (claims) | 775 · 1,442 30-day fills |
|---|---|
| Patients | 167 |
| Total drug cost | $51,673 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 2016 |
|---|---|
| Medicare specialty | Ophthalmology |
Industry payments (Open Payments)
- 2025$112.48 · 4 payments from 4 companies
- 2024$41.76 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Acadia Pharmaceuticals Inc | $56.59 | 1 |
| Astellas Pharma US Inc | $23.26 | 1 |
| Alcon Vision LLC | $16.45 | 1 |
| Optos, Inc. | $16.18 | 1 |
What the 2025 payments were for
- Food and Beverage$96.30 · 3 payments
- Entertainment$16.18 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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