DR. RACHEL H CHOU MD
NPI 1740244094
Radiology - Radiation Oncology in Rancho Cordova, CA
About Dr. Rachel H Chou Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RACHEL H CHOU MD (NPI 1740244094) is an individual radiation oncology provider in Rancho Cordova, California, licensed in California (G77213) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS and maintains a secondary practice location in Sacramento.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Rachel H Chou Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Rachel Chou reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Stockton, CA 95210
- Reassigned Medicare billing, California enrollment
- 20,078 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 95670 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.
RANCHO CORDOVA, CA 95670
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 Rachel Chou's NPI number?
The NPI number for Rachel Chou is 1740244094. It was assigned to this individual provider in the NPPES registry on April 13, 2006. The provider is also known as Hsiu-Sui Chou.
Where is Rachel Chou located?
Rachel Chou practices at 10725 International Dr, Rancho Cordova, CA 95670. The listed phone number is (916) 631-3000.
What is Rachel Chou's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Rachel Chou enrolled in Medicare?
Yes. Rachel Chou is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Rachel Chou's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rachel Chou reassigns Medicare benefits to Permanente Medical Group Inc (Stockton, 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 Rachel Chou'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 Rachel Chou was last updated on January 10, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Rachel H Chou, MD · NPI 1740244094
Radiation Oncology physician in Rancho Cordova, California. Individual provider, active in the CMS NPPES registry since April 13, 2006.
## Identity
- **NPI:** 1740244094 (Entity type: Individual)
- **Enumerated:** April 13, 2006
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** G77213 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 10725 INTERNATIONAL DR, Rancho Cordova, CA 95670-7967
- **Phone:** (916) 631-3000
## 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:** Permanente Medical Group Inc (NPI 1548343510, Stockton, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 10, 2022
- **Other identifiers:** Medicaid 00G772130 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1740244094) · Data from the CMS NPPES public registry.