Heather Chen, MD
NPI 1164881603ActiveIndividual· Ophthalmology· Vista, CA
Ophthalmology (MD) in Vista, California, trained at University of California, San Diego School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $479,725 for 3,231 claims, against $185,762 paid for services in 2024. Alcon Vision LLC was the largest of 9 companies reporting payments in 2025, $937.69 in all, mostly food and beverage.
Overview
| NPI | 1164881603 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 12, 2016 |
| Last updated in NPPES | Jan 12, 2021 |
| Certified by provider | Nov 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | A155386 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 758 |
|---|---|
| Services billed | 1,983 across 31 procedure codes |
| Paid by Medicare | $185,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,231 · 6,603 30-day fills |
|---|---|
| Patients | 835 |
| Total drug cost | $479,725 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Ophthalmology |
Medical group
- Bradley W Greider M D IncVista, CA · 11 clinicians
Industry payments (Open Payments)
- 2025$937.69 · 43 payments from 9 companies
- 2024$1,082 · 52 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $281.40 | 13 |
| Tarsus Pharmaceuticals, Inc. | $180.76 | 8 |
| Harrow Eye, LLC | $167.47 | 7 |
| Abbvie Inc. | $145.76 | 8 |
| Sight Sciences, Inc. | $55.50 | 2 |
What the 2025 payments were for
- Food and Beverage$937.69 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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