Stephen Christopher Patterson, M.D.
NPI 1932124351ActiveIndividual· Emergency Medicine· Riverside, CA
Emergency Medicine (M.D.) in Riverside, California, trained at University of California, Irvine, California College of Medicine (class of 1999). 204 Medicare patients in 2024, $28,746 paid; nearly all of their 54 Part D prescriptions were generic (98%). Intuitive Surgical, Inc. reported $56.54 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1932124351 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 13, 2006 |
| Last updated in NPPES | Dec 30, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A75189 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 204 |
|---|---|
| Services billed | 291 across 14 procedure codes |
| Paid by Medicare | $28,746 |
Part D prescriptions in 2024
| Prescriptions (claims) | 54 · 54 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $1,065 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of California, Irvine, California College of Medicine |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Emergency Medicine |
Medical group
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
Hospital affiliations
- Riverside Community HospitalRiverside, CA
- Riverside University Health System-Medical CenterMoreno Valley, CA
Industry payments (Open Payments)
- 2025$56.54 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $56.54 | 1 |
What the 2025 payments were for
- Food and Beverage$56.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 108 emergency medicine physicians in Riverside · All emergency medicine physicians in California