DR. REGINA R. CHINSIOKWONG D.O.
NPI 1265597488
Family Medicine in Santa Ana, CA
About Dr. Regina R. Chinsiokwong D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. REGINA R. CHINSIOKWONG D.O. (NPI 1265597488) is an individual family medicine provider in Santa Ana, California, licensed in California (20A 10277) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS.
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)
Dr. Regina R. Chinsiokwong D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Regina Chinsiokwong reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Irvine, CA 92618
- Reassigned Medicare billing, California enrollment
- 684 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92706 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.
SANTA ANA, CA 92706
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 Regina Chinsiokwong's NPI number?
The NPI number for Regina Chinsiokwong is 1265597488. It was assigned to this individual provider in the NPPES registry on December 27, 2006.
Where is Regina Chinsiokwong located?
Regina Chinsiokwong practices at 1725 W 17th St, Santa Ana, CA 92706. The listed phone number is (800) 914-4887.
What is Regina Chinsiokwong's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Regina Chinsiokwong enrolled in Medicare?
Yes. Regina Chinsiokwong is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Regina Chinsiokwong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Regina Chinsiokwong reassigns Medicare benefits to Providence Facey Medical Foundation (Irvine, 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 Regina Chinsiokwong'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 Regina Chinsiokwong was last updated on September 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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. Regina R. Chinsiokwong, D.O. · NPI 1265597488
Family Medicine physician in Santa Ana, California. Individual provider, active in the CMS NPPES registry since December 27, 2006.
## Identity
- **NPI:** 1265597488 (Entity type: Individual)
- **Enumerated:** December 27, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 20A 10277 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1725 W 17TH ST, Santa Ana, CA 92706-2316
- **Phone:** (800) 914-4887
## 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:** Providence Facey Medical Foundation (NPI 1891348447, Irvine, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1265597488) · Data from the CMS NPPES public registry.