DR. MITCHELL DOUGLAS PRINS MD
NPI 1609442920
Internal Medicine in La Jolla, CA
About Dr. Mitchell Douglas Prins Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MITCHELL DOUGLAS PRINS MD (NPI 1609442920) is an individual internal medicine provider in La Jolla, California, licensed in California (A194551) and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
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. Mitchell Douglas Prins Md 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 Reassignment
Medicare enrollment records show Mitchell Prins reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Encinitas, CA 92024
- Reassigned Medicare billing, California enrollment
- 92 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 3
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 92037 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.
LA JOLLA, CA 92037
LA JOLLA, CA 92037
LA JOLLA, CA 92037
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 Mitchell Prins's NPI number?
The NPI number for Mitchell Prins is 1609442920. It was assigned to this individual provider in the NPPES registry on May 27, 2021.
Where is Mitchell Prins located?
Mitchell Prins practices at 10666 N Torrey Pines Rd, La Jolla, CA 92037. The listed phone number is (858) 554-3200.
What is Mitchell Prins's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mitchell Prins enrolled in Medicare?
Yes. Mitchell Prins 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 organization bills Medicare for Mitchell Prins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mitchell Prins reassigns Medicare benefits to North County Inpatient Medical Alliance, A Medical Group, Inc (Encinitas, CA). The 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 Mitchell Prins'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 Mitchell Prins was last updated on July 12, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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. Mitchell Douglas Prins, MD · NPI 1609442920
Internal Medicine physician in La Jolla, California. Individual provider, active in the CMS NPPES registry since May 27, 2021.
## Identity
- **NPI:** 1609442920 (Entity type: Individual)
- **Enumerated:** May 27, 2021
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A194551 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 10666 N TORREY PINES RD, La Jolla, CA 92037-1027
- **Phone:** (858) 554-3200
## 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:** North County Inpatient Medical Alliance, A Medical Group, Inc (NPI 1932108115, Encinitas, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** July 12, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1609442920) · Data from the CMS NPPES public registry.