Joseph Prinsen, D.O., PH.D.
NPI 1790135754ActiveIndividual· Internal Medicine· Lodi, CA
Internal Medicine (D.O., PH.D.) with Galen Inpatient Physicians PC, practicing in Lodi, California. 226 Medicare patients in 2024, $45,392 paid; nearly all of their 224 Part D prescriptions were generic (91%). Lists Emanate Health Foothill Presbyterian Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1790135754 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O., PH.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2016 |
| Last updated in NPPES | Dec 5, 2024 |
| Certified by provider | Dec 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A19528 | CA |
| Internal Medicine | 207R00000X | 5101022490 | MI |
| Internal Medicine | 207R00000X | A-2292-19 | NM |
| Internal Medicine | 207R00000X | DO-05466 | IA |
| Internal Medicine | 207R00000X | 3868 | TN |
| Internal Medicine | 207R00000X | 0102207828 | VA |
| Hospitalist | 208M00000X | H90545 | MD |
| Hospitalist | 208M00000X | 20A19528 | 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 - Hospitalist (CA); Practitioner - Hospitalist (MD); Practitioner - Internal Medicine (MI); Practitioner - Internal Medicine (ND); Practitioner - Internal Medicine (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 226 |
|---|---|
| Services billed | 477 across 9 procedure codes |
| Paid by Medicare | $45,392 |
Part D prescriptions in 2024
| Prescriptions (claims) | 224 · 286 30-day fills |
|---|---|
| Patients | 68 |
| Total drug cost | $11,299 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hospitalist |
Medical group
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
Hospital affiliations
- Emanate Health Foothill Presbyterian HospitalGlendora, CA
- Emanate Health Inter-Community HospitalCovina, 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 33 internal medicine physicians in Lodi · All internal medicine physicians in California