Keolanui G. Chun, MD
NPI 1578507463ActiveIndividual· Orthopaedic Surgery· Riverside, CA
Orthopaedic Surgery (MD) with Riverside Medical Clinic Inc, practicing in Riverside, California. 140 Medicare patients in 2024, $54,539 paid; all of their 432 Part D prescriptions were generic. Stryker Corporation was the largest of 4 companies reporting payments in 2025, $5,734 in all, mostly travel and lodging. Lists Corona Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1578507463 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 15, 2006 |
| Last updated in NPPES | Apr 11, 2025 |
| Certified by provider | Apr 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | G77291 | 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 - Orthopedic Surgery (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 337 across 26 procedure codes |
| Paid by Medicare | $54,539 |
Part D prescriptions in 2024
| Prescriptions (claims) | 432 · 489 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $4,684 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Orthopedic Surgery |
| Telehealth | Offers telehealth |
Medical group
- Riverside Medical Clinic IncRiverside, CA · 173 clinicians
Hospital affiliation
- Corona Regional Medical CenterCorona, CA
Industry payments (Open Payments)
- 2025$5,734 · 33 payments from 4 companies
- 2024$1,405 · 11 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $3,399 | 16 |
| Providence Medical Technology, Inc. | $2,032 | 14 |
| Cerapedics Inc. | $257.37 | 1 |
| Si-Bone, Inc. | $46.05 | 2 |
What the 2025 payments were for
- Travel and Lodging$4,047 · 16 payments
- Food and Beverage$1,687 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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