DR. RAMEZ A ETHNASIOS M.D.
NPI 1821262858
Internal Medicine in Los Angeles, CA
About Dr. Ramez A Ethnasios M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RAMEZ A ETHNASIOS M.D. (NPI 1821262858) is an individual internal medicine provider in Los Angeles, California, licensed in California (A111125) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS and is a graduate of Pennsylvania State University College Of Medicine (2008).
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 and accepts Medicare assignment
Dr. Ramez A Ethnasios 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 Reassignment
Medicare enrollment records show Ramez Ethnasios reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 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 90034 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.
LOS ANGELES, CA 90034
LOS ANGELES, CA 90034
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 Ramez Ethnasios's NPI number?
The NPI number for Ramez Ethnasios is 1821262858. It was assigned to this individual provider in the NPPES registry on April 22, 2008.
Where is Ramez Ethnasios located?
Ramez Ethnasios practices at 6041 Cadillac Ave Department Of Internal Medicine, Los Angeles, CA 90034. The listed phone number is (800) 954-8000.
What is Ramez Ethnasios's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Ramez Ethnasios enrolled in Medicare?
Yes. Ramez Ethnasios 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 organization bills Medicare for Ramez Ethnasios's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ramez Ethnasios reassigns Medicare benefits to Southern California Permanente 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 Ramez Ethnasios'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 Ramez Ethnasios was last updated on November 30, 2021. 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. Ramez A Ethnasios, M.D. · NPI 1821262858
Internal Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since April 22, 2008.
## Identity
- **NPI:** 1821262858 (Entity type: Individual)
- **Enumerated:** April 22, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A111125 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 6041 CADILLAC AVE, DEPARTMENT OF INTERNAL MEDICINE, Los Angeles, CA 90034-1702
- **Phone:** (800) 954-8000 · **Fax:** (323) 857-2389
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 2008
## Record status
- **NPPES last updated:** November 30, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1821262858) · Data from the CMS NPPES public registry.