DR. ARNOLD RAPPOPORT M.D.
NPI 1245289925
Radiology - Diagnostic Radiology in Long Beach, CA
About Dr. Arnold Rappoport M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ARNOLD RAPPOPORT M.D. (NPI 1245289925) is an individual diagnostic radiology provider in Long Beach, California, licensed in California (A29726) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1973).
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
Dr. Arnold Rappoport M.d. 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
2Medicare enrollment records show Arnold Rappoport reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fountain Valley, CA 92708
- Reassigned Medicare billing, California enrollment
- 948 clinicians in this Medicare group
Glendora, CA 91741
- Reassigned Medicare billing, California enrollment
- 109 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.
Areas of Expertise CMS Part B claims 37
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LONG BEACH, CA 90801
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 Arnold Rappoport's NPI number?
The NPI number for Arnold Rappoport is 1245289925. It was assigned to this individual provider in the NPPES registry on May 9, 2006.
Where is Arnold Rappoport located?
Arnold Rappoport practices at 2801 Atlantic Avenue Attn: Radiology Department, Long Beach, CA 90801. The listed phone number is (562) 933-1550.
What is Arnold Rappoport's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Arnold Rappoport enrolled in Medicare?
Yes. Arnold Rappoport 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 Arnold Rappoport's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Arnold Rappoport reassigns Medicare benefits to 2 organizations: Memorialcare Medical Foundation (Fountain Valley, CA) and Menalam Health Services PC (Glendora, CA). 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 Arnold Rappoport'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 Arnold Rappoport was last updated on January 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.