Richard H. Yook, M.D.
NPI 1003838392ActiveIndividual· Ophthalmology· Northridge, CA
Ophthalmology (M.D.) in Northridge, California, trained at University of California, Geffen School of Medicine (class of 1972). Their prescriptions cost Medicare Part D more than their services did: $15,109 for 67 claims, against $7,819 paid for services in 2024.
Overview
| NPI | 1003838392 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 24, 2006 |
| Last updated in NPPES | Apr 14, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | G24712 | 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 | 75 |
|---|---|
| Services billed | 105 across 10 procedure codes |
| Paid by Medicare | $7,819 |
Part D prescriptions in 2024
| Prescriptions (claims) | 67 · 132 30-day fills |
|---|---|
| Patients | 16 |
| Total drug cost | $15,109 |
| Generic share | 34% of claims |
Education and affiliations
| Medical school | University of California, Geffen School of Medicine |
|---|---|
| Graduation year | 1972 |
| Medicare specialty | Ophthalmology |
Medical group
- Richard H. Yook, M.D, Inc.Northridge, CA · 2 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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