David J. Danzeisen, MD
NPI 1306924295ActiveIndividual· Family Medicine· Fairfield, CA
Family Medicine (MD) in Fairfield, California, trained at Ohio State University College of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $308,613 for 7,758 claims, against $1,556 paid for services in 2024.
Overview
| NPI | 1306924295 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Dec 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G85148 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 32 across 9 procedure codes |
| Paid by Medicare | $1,556 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,758 · 17,577 30-day fills |
|---|---|
| Patients | 598 |
| Total drug cost | $308,613 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Family Practice |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - VacavilleVacaville, 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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All 78 family medicine physicians in Fairfield · All family medicine physicians in California