Geoffrey William Horn, DO
NPI 1013117977ActiveIndividual· Radiology, Diagnostic Radiology· Saint Helena, CA
Radiology, Diagnostic Radiology (DO) with Ukiah Adventist Hospital and 3 other groups, practicing in Saint Helena, California. Medicare paid $193,431 for services to 3,334 patients in 2024. Lists Adventist Health Clearlake and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1013117977 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 19, 2007 |
| Last updated in NPPES | Apr 25, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 20A11701 | CA |
| Radiology, Diagnostic Radiology | 2085R0202X | 4369 | OK |
| Radiology, Diagnostic Radiology | 2085R0202X | 2063 | TN |
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 - Diagnostic Radiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 3,334 |
|---|---|
| Services billed | 6,947 across 195 procedure codes |
| Paid by Medicare | $193,431 |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Ukiah Adventist HospitalUkiah, CA · 135 clinicians
- Adventist Health Clearlake Hospital Inc.Clearlake, CA · 87 clinicians
- Willits Hospital IncWillits, CA · 67 clinicians
- Adventist Health Mendocino CoastFort Bragg, CA · 56 clinicians
Hospital affiliations
- Adventist Health ClearlakeClearlake, CA
- Adventist Health Howard MemorialWillits, CA
- Adventist Health Mendocino CoastFort Bragg, CA
- Adventist Health Ukiah ValleyUkiah, CA
- Providence Santa Rosa Memorial HospitalSanta Rosa, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other diagnostic radiologists in Saint Helena
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- 1083679781
- 1104881747