DR. JOSEPH PRINSEN D.O., PH.D.
NPI 1790135754
Internal Medicine in Lodi, CA
About Dr. Joseph Prinsen D.o., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH PRINSEN D.O., PH.D. (NPI 1790135754) is an individual internal medicine provider in Lodi, California, licensed in California (20A19528) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2015).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Joseph Prinsen D.o., Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Joseph Prinsen reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lodi, CA 95240
- Reassigned Medicare billing, California enrollment
- 962 clinicians in this Medicare group
Bismarck, ND 58501
- Reassigned Medicare billing, North Dakota enrollment
- 616 clinicians in this Medicare group
Iron River, MI 49935
- Reassigned Medicare billing, Michigan enrollment
- 440 clinicians in this Medicare group
Bethesda, MD 20814
- Reassigned Medicare billing, Maryland enrollment
- 4,483 clinicians in this Medicare group
Richmond, VA 23226
- Reassigned Medicare billing, Virginia enrollment
- 172 clinicians in this Medicare group
Boca Raton, FL 33487
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Glutality Provider Group PA
- 32 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95240 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LODI, CA 95240
LODI, CA 95240
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Joseph Prinsen's NPI number?
The NPI number for Joseph Prinsen is 1790135754. It was assigned to this individual provider in the NPPES registry on June 20, 2016.
Where is Joseph Prinsen located?
Joseph Prinsen practices at 975 S Fairmont Ave, Lodi, CA 95240. The listed phone number is (209) 334-3411.
What is Joseph Prinsen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Joseph Prinsen enrolled in Medicare?
Yes. Joseph Prinsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Joseph Prinsen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Prinsen reassigns Medicare benefits to 6 organizations: Galen Inpatient Physicians PC (Lodi, CA), St. Alexius Medical Center (Bismarck, ND), Dlp Marquette Physician Practices Inc (Iron River, MI), Johns Hopkins University (Bethesda, MD), Vituity-Virginia Hospitalists PC (Richmond, VA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Joseph Prinsen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Joseph Prinsen was last updated on December 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Joseph Prinsen, D.O., PH.D. · NPI 1790135754
Internal Medicine physician in Lodi, California. Individual provider, active in the CMS NPPES registry since June 20, 2016.
## Identity
- **NPI:** 1790135754 (Entity type: Individual)
- **Enumerated:** June 20, 2016
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A19528 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 975 S FAIRMONT AVE, Lodi, CA 95240-5118
- **Phone:** (209) 334-3411
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Galen Inpatient Physicians PC (NPI 1558042358, Lodi, CA); St. Alexius Medical Center (NPI 1205868429, Bismarck, ND); Dlp Marquette Physician Practices Inc (NPI 1790033207, Iron River, MI); Johns Hopkins University (NPI 1578569240, Bethesda, MD); Vituity-Virginia Hospitalists PC (NPI 1518611011, Richmond, VA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2015
## Record status
- **NPPES last updated:** December 5, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1790135754) · Data from the CMS NPPES public registry.