MR. SERGIO ARREGUIN JR. MD
NPI 1114500501
Student in an Organized Health Care Education/Training Program in Visalia, CA
About Mr. Sergio Arreguin Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. SERGIO ARREGUIN JR. MD (NPI 1114500501) is an individual student in an organized health care education/training program in Visalia, California and active in the NPI registry since May 2021. He is enrolled in Medicare PECOS and is a graduate of Other (2023).
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 (PECOS)
Mr. Sergio Arreguin Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Sergio Arreguin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Visalia, CA 93291
- Reassigned Medicare billing, California enrollment
- 2,323 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.
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.
VISALIA, CA 93291
VISALIA, CA 93291
VISALIA, CA 93291
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 Sergio Arreguin's NPI number?
The NPI number for Sergio Arreguin is 1114500501. It was assigned to this individual provider in the NPPES registry on May 3, 2021.
Where is Sergio Arreguin located?
Sergio Arreguin practices at 400 W Mineral King Ave, Visalia, CA 93291. The listed phone number is (559) 624-2000.
What is Sergio Arreguin's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Sergio Arreguin enrolled in Medicare?
Yes. Sergio Arreguin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Sergio Arreguin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sergio Arreguin reassigns Medicare benefits to Cep America - California (Visalia, 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 Sergio Arreguin'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 Sergio Arreguin was last updated on August 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Mr. Sergio Arreguin Jr., MD · NPI 1114500501
Student in an Organized Health Care Education/Training Program provider in Visalia, California. Individual provider, active in the CMS NPPES registry since May 3, 2021.
## Identity
- **NPI:** 1114500501 (Entity type: Individual)
- **Enumerated:** May 3, 2021
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 400 W MINERAL KING AVE, Visalia, CA 93291-6237
- **Phone:** (559) 624-2000
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Cep America - California (NPI 1558511147, Visalia, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** August 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1114500501) · Data from the CMS NPPES public registry.