John Arthur Horning, MD
NPI 1033148523ActiveIndividual· Emergency Medicine· San Bruno, CA
Emergency Medicine (MD) in San Bruno, California, trained at Northwestern University Feinberg Medical School (class of 1993). In 2024 Medicare paid $311,353 for 1,365 patients, and Part D covered 107 of their prescriptions, 85% of them generic.
Overview
| NPI | 1033148523 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 30, 2006 |
| Last updated in NPPES | Jul 8, 2022 |
| Certified by provider | Jul 8, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | G85580 | CA |
| Emergency Medicine | 207P00000X | 33421 | MT |
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 | 1,365 |
|---|---|
| Services billed | 3,465 across 14 procedure codes |
| Paid by Medicare | $311,353 |
Part D prescriptions in 2024
| Prescriptions (claims) | 107 · 178 30-day fills |
|---|---|
| Total drug cost | $4,035 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Northwestern University Feinberg Medical School |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Emergency Medicine |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other emergency medicine physicians in San Bruno
- 1912134552
- 1245267103
- 1932858628