Howard H. Chen, MD
NPI 1699763748ActiveIndividual· Ophthalmology· Campbell, CA
Ophthalmology (MD) in Campbell, California, trained at New York University Medical College - Nlg (class of 1993). In 2024 Medicare paid $3,617,889 for 1,339 patients, and Part D covered 591 of their prescriptions, 62% of them generic. Regeneron Pharmaceuticals, Inc. was the largest of 2 companies reporting payments in 2025, $302.33 in all, mostly food and beverage.
Overview
| NPI | 1699763748 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 12, 2005 |
| Last updated in NPPES | Nov 20, 2025 |
| Certified by provider | Nov 20, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G83824 | 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 | 1,339 |
|---|---|
| Services billed | 97,012 across 49 procedure codes |
| Paid by Medicare | $3,617,889 |
Part D prescriptions in 2024
| Prescriptions (claims) | 591 · 967 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $27,099 |
| Generic share | 62% of claims |
Education and affiliations
| Medical school | New York University Medical College - Nlg |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Ophthalmology |
Medical group
- Retinal Diagnostic Center A Medical CorporationSan Jose, CA · 6 clinicians
Hospital affiliation
- Good Samaritan HospitalSan Jose, CA
Industry payments (Open Payments)
- 2025$302.33 · 3 payments from 2 companies
- 2024$559.41 · 6 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Pharmaceuticals, Inc. | $280.87 | 2 |
| Astellas Pharma US Inc | $21.46 | 1 |
What the 2025 payments were for
- Food and Beverage$302.33 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Ophthalmology providers in Campbell
- 1518030568
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- 1013905389
- 1730405184