David Daniel Hahn, D.O.
NPI 1255385597ActiveIndividual· Family Medicine· Chico, CA
Family Medicine (D.O.) in Chico, California, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2002). In 2024 Medicare paid $140,388 for 599 patients, and Part D covered 732 of their prescriptions, 88% of them generic.
Overview
| NPI | 1255385597 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | May 20, 2006 |
| Last updated in NPPES | Aug 17, 2023 |
| Certified by provider | Jul 27, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A8638 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 599 |
|---|---|
| Services billed | 1,802 across 11 procedure codes |
| Paid by Medicare | $140,388 |
Part D prescriptions in 2024
| Prescriptions (claims) | 732 · 764 30-day fills |
|---|---|
| Patients | 262 |
| Total drug cost | $43,127 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Family Practice |
| Secondary specialties | Hospitalist |
Medical groups
- Enloe Medical CenterChico, CA · 333 clinicians
- Enloe Health and WellnessChico, CA · 42 clinicians
Hospital affiliations
- Enloe HealthChico, CA
- Orchard HospitalGridley, CA
- Oroville HospitalOroville, CA
- St Elizabeth Community HospitalRed Bluff, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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