Ramez A. Ethnasios, M.D.
Internal Medicine Physician · Los Angeles, CA
Ramez A. Ethnasios, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1821262858, issued on Apr 22, 2008. Check the license (California A111125, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ramez A. Ethnasios
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A111125 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6041 Cadillac Ave, Los Angeles, CA 90034
- Phone
- (800) 954-8000
- Enumerated
- Apr 22, 2008
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (323) 857-2389
- Medicare enrollment
- Enrolled (PECOS I20121010000415); accepts Medicare assignment
- Medical or professional school
- Pennsylvania State University College Of Medicine, 2008
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 6041 Cadillac Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Abedi, M.D.Emergency Medicine Physician1518320654
- Felicia Adiele, CNMAdvanced Practice Midwife1205984143
- Angeli Agatep, MDInternal Medicine Physician1194873067
- Roberto AguiluzRegistered Respiratory Therapist1184102675
- Jose Aguinada, DPTPhysical Therapist1356067151
- Blasius AgumPsychiatric/Mental Health Nurse Practitioner1063293207
Verify Ramez A. Ethnasios in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A111125Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
36% more Medicare Part D claims than the average internal medicine physician in 2024
4,320 Medicare Part D claims for 587 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 95 claims were for opioids.
Most prescribed
- Atorvastatin Calcium571 claims
- Amlodipine Besylate207 claims
- Losartan Potassium192 claims
- Omeprazole163 claims
- Lisinopril159 claims
- Metformin Hcl130 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ramez A. Ethnasios among 17,696 internal medicine physician records in California
Ramez A. Ethnasios, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2008 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Geoffrey Applebaum, MDLos Angeles, CA 900341477624435
- Kambiz Ashoorzadeh, D.OLos Angeles, CA 900341497855639
- Sharisse Chavez, MDLos Angeles, CA 900341265503247
- Allan Chen, MDLos Angeles, CA 900341003829326
- Lewis Guiss Jr., MDLos Angeles, CA 900341629145636
- David Guzman, M.D.Los Angeles, CA 900341275521494
- Mark Katz, MDLos Angeles, CA 900341487725370
- Eric Lee, MDLos Angeles, CA 900341275552556
Common questions
What is Ramez A. Ethnasios, M.D.'s NPI number?
Ramez A. Ethnasios, M.D.'s National Provider Identifier (NPI) is 1821262858, issued on Apr 22, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Ramez A. Ethnasios, M.D. located?
The NPPES record lists a practice address at 6041 Cadillac Ave, Los Angeles, CA, 90034. Phone: (800) 954-8000. Providers update this record themselves, so call before visiting.
How can I verify Ramez A. Ethnasios, M.D.'s license?
NPPES lists California license number A111125, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ramez A. Ethnasios, M.D. prescribe under Medicare Part D?
In 2024, Ramez A. Ethnasios, M.D. had 4,320 Medicare Part D claims for 587 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.