DR. FRANCES G. REIS M.D.
NPI 1265653802
Pediatrics in Downey, CA
About Dr. Frances G. Reis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. FRANCES G. REIS M.D. (NPI 1265653802) is an individual pediatrics provider in Downey, California, licensed in California (A50368) and active in the NPI registry since May 2007. She is enrolled in Medicare PECOS and maintains a secondary practice location in Costa Mesa.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 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. Frances G. Reis M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Frances Reis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 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 90240 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.
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 Frances Reis's NPI number?
The NPI number for Frances Reis is 1265653802. It was assigned to this individual provider in the NPPES registry on May 1, 2007. The provider is also known as Dr. Frances G. Xavier M.D..
Where is Frances Reis located?
Frances Reis practices at 8311 Florence Ave, Downey, CA 90240. The listed phone number is (562) 923-4911.
What is Frances Reis's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Frances Reis enrolled in Medicare?
Yes. Frances Reis is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Frances Reis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frances Reis reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, 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 Frances Reis'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 Frances Reis was last updated on January 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. Frances G. Reis, M.D. · NPI 1265653802
Pediatrics physician in Downey, California. Individual provider, active in the CMS NPPES registry since May 1, 2007.
## Identity
- **NPI:** 1265653802 (Entity type: Individual)
- **Enumerated:** May 1, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A50368 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 8311 FLORENCE AVE, Downey, CA 90240-3928
- **Phone:** (562) 923-4911
## 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:** Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** January 7, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1265653802) · Data from the CMS NPPES public registry.