MR. REX ITCHON
NPI 1407566912
Nurse Anesthetist, Certified Registered in Downey, CA
About Mr. Rex Itchon NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. REX ITCHON (NPI 1407566912) is an individual nurse anesthetist, certified registered in Downey, California, licensed in California (95049450) and active in the NPI registry since November 2022. He is a graduate of Other (2022).
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
Mr. Rex Itchon 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 Reassignments
7Medicare enrollment records show Rex Itchon reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bellflower, CA 90706
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Monterey Park, CA 91755
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Lightning Anesthesia Nursing Services PC
- 20 clinicians in this Medicare group
Torrance, CA 90505
- Reassigned Medicare billing, California enrollment
- 51 clinicians in this Medicare group
Arcadia, CA 91006
- Reassigned Medicare billing, California enrollment
- 72 clinicians in this Medicare group
Santa Ana, CA 92705
- Reassigned Medicare billing, California enrollment
- 40 clinicians in this Medicare group
West Hills, CA 91307
- Reassigned Medicare billing, California enrollment
- 99 clinicians in this Medicare group
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 36 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 90242 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.
DOWNEY, CA 90242
DOWNEY, CA 90242
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 Rex Itchon's NPI number?
The NPI number for Rex Itchon is 1407566912. It was assigned to this individual provider in the NPPES registry on November 25, 2022.
Where is Rex Itchon located?
Rex Itchon practices at 9333 Imperial Hwy, Downey, CA 90242. The listed phone number is (833) 574-2273.
What is Rex Itchon's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Rex Itchon enrolled in Medicare?
Yes. Rex Itchon 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 organizations bill Medicare for Rex Itchon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rex Itchon reassigns Medicare benefits to 7 organizations: Southern California Permanente Medical Group (Bellflower, CA), Lightning Anesthesia Nursing Services, P.C. (Monterey Park, CA), Amsurg South Bay Anesthesia LP (Torrance, CA), Amsurg Arcadia Anesthesia LP (Arcadia, CA), San Gabriel Anesthesia Associates, PC (Santa Ana, CA) and 2 more organizations, listed in the Medicare section above. Each 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 Rex Itchon'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 Rex Itchon was last updated on September 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.