Joseph Juyo Chen, M.D.
NPI 1639496953ActiveIndividual· Ophthalmology· Westlake Village, CA
Ophthalmology (M.D.) in Westlake Village, California, trained at Baylor College of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $543,343 for 3,673 claims, against $354,494 paid for services in 2024. Nova Eye, Inc. was the largest of 12 companies reporting payments in 2025, $2,580 in all, mostly food and beverage.
Overview
| NPI | 1639496953 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 26, 2010 |
| Last updated in NPPES | Jul 10, 2023 |
| Certified by provider | Jul 10, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A131213 | CA |
| Ophthalmology | 207W00000X | BP20036802 | TX |
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 | 957 |
|---|---|
| Services billed | 3,671 across 42 procedure codes |
| Paid by Medicare | $354,494 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,673 · 6,954 30-day fills |
|---|---|
| Patients | 679 |
| Total drug cost | $543,343 |
| Generic share | 56% of claims |
Education and affiliations
| Medical school | Baylor College of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Ophthalmology |
Medical groups
- Paul J Dougherty M D IncCamarillo, CA · 16 clinicians
- Santa Barbara Eyecare Inc A Professional Medical CorporationSanta Barbara, CA · 5 clinicians
Hospital affiliation
- Community Memorial Hospital - VenturaVentura, CA
Industry payments (Open Payments)
- 2025$2,580 · 46 payments from 12 companies
- 2024$2,471 · 63 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Nova Eye, Inc. | $691.12 | 8 |
| Abbvie Inc. | $465.07 | 16 |
| Alcon Vision LLC | $379.55 | 7 |
| Amgen Inc. | $220.14 | 1 |
| Biotissue Holdings Inc. | $195.29 | 3 |
What the 2025 payments were for
- Food and Beverage$2,580 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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