Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Hospitalist

Joseph Prinsen, DO

Works at hospitals in Glendora, CA · Covina, CA · California

Summary

Joseph Prinsen, DO (Hospitalist) is listed by Medicare at 2 hospitals in Glendora, CA and Covina, CA. NPI 1790135754. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Joseph Prinsen, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

HospitalistPrimary specialty
YesAccepts Medicare assignment
11Years since medical school (graduated 2015)
MaleGender (as listed)
Galen Inpatient Physicians PCGroup practice

Quick answers

Which hospitals does Joseph Prinsen work at?
Medicare's official clinician data lists Joseph Prinsen at 2 hospitals: Emanate Health Foothill Presbyterian Hospital and Emanate Health Inter-Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Joseph Prinsen see patients?
Medicare's clinician data lists 1 practice location in Lodi, CA. Call before your visit to confirm the address.
What is Joseph Prinsen's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Joseph Prinsen accept Medicare assignment?
Yes. Medicare's clinician data says Joseph Prinsen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Joseph Prinsen?
(209) 334-3411, as listed in official Medicare / NPI Registry data.
What is Joseph Prinsen's NPI number?
1790135754. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Joseph Prinsen works

Medicare's Facility Affiliation Data lists Joseph Prinsen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Joseph Prinsen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Joseph Prinsen as a member of this group (CMS data updated 2026-10-02).

  • Galen Inpatient Physicians PC1,077 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Lodi

Clinicians with the same Medicare primary specialty in Lodi, CA — not a recommendation.

All hospitalists in Lodi →

Clinician information

CredentialDO
Graduation year2015
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790135754
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians