Kuo S. Ooi, M.D.
NPI 1598775421ActiveIndividual· Internal Medicine· Rocklin, CA
Internal Medicine (M.D.) with Rocklin Family Practice and Sports Medicine, practicing in Rocklin, California. Their prescriptions cost Medicare Part D more than their services did: $482,446 for 4,109 claims, against $100,998 paid for services in 2024. Novo Nordisk Inc was the largest of 21 companies reporting payments in 2025, $2,138 in all, mostly food and beverage. Lists Sutter Auburn Faith Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1598775421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 9, 2006 |
| Last updated in NPPES | Mar 7, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A96680 | CA |
| Internal Medicine, Sports Medicine | 207RS0010X | A96680 | CA |
| Pediatrics | 208000000X | A96680 | CA |
| Acupuncturist | 171100000X | A96680 | CA |
| Pediatrics, Sports Medicine | 2080S0010X | A96680 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 186 |
|---|---|
| Services billed | 2,705 across 62 procedure codes |
| Paid by Medicare | $100,998 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,109 · 9,650 30-day fills |
|---|---|
| Patients | 310 |
| Total drug cost | $482,446 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine, Sports Medicine |
| Telehealth | Offers telehealth |
Medical group
- Rocklin Family Practice and Sports MedicineRocklin, CA · 15 clinicians
Hospital affiliations
- Sutter Auburn Faith HospitalAuburn, CA
- Sutter Medical Center, SacramentoSacramento, CA
- Sutter Roseville Medical CenterRoseville, CA
Other facilities
- Sutter Care at HomeHome health agency · Roseville, CA
Industry payments (Open Payments)
- 2025$2,138 · 118 payments from 21 companies
- 2024$2,336 · 139 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $308.95 | 18 |
| Pfizer Inc. | $281.44 | 15 |
| Glaxosmithkline, LLC. | $198.89 | 9 |
| Amgen Inc. | $190.70 | 11 |
| Abbvie Inc. | $161.52 | 9 |
What the 2025 payments were for
- Food and Beverage$2,138 · 118 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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