Ryan Michael Perdomo, MD
Emergency Medicine Physician · Los Angeles, CA
Ryan Michael Perdomo, MD is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1447719745, issued on Mar 16, 2019. Check the license (California A177021, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ryan Michael Perdomo
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A177021 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1720 E Cesar E Chavez Ave, Los Angeles, CA 90033
- Phone
- (323) 268-5000
- Enumerated
- Mar 16, 2019
- Record last updated
- May 7, 2024
- Medicare enrollment
- Enrolled (PECOS I20220823000977); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1720 E Cesar E Chavez Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Carrie Adase, M.S., RDNRegistered Dietitian1548610991
- Kinza AhmedEmergency Medicine Physician1780250894
- Julieta Alfonso, MDStudent in an Organized Health Care Education/Training Program1063350718
- Maritza Alvarado, MD PHDFamily Medicine Physician1558803999
- Antranig Andonian, DOStudent in an Organized Health Care Education/Training Program1487409983
- Austin Apramian, DOInternal Medicine Physician1598119497
Verify Ryan Michael Perdomo in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177021Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average emergency medicine physician in 2024
541 Medicare Part D claims for 304 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 54 claims were for opioids.
Most prescribed
- Cephalexin47 claims
- Hydrocodone-Acetaminophen46 claims
- Ibuprofen34 claims
- Ondansetron Odt30 claims
- Azithromycin28 claims
- Nitrofurantoin Mono-Macro24 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 GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ryan Michael Perdomo among 7,751 emergency medicine physician records in California
Ryan Michael Perdomo, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 85% of them.
- NPI issued2019 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2019 · median 2011 among the 4,560 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Los Angeles → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Deirdre Anglin, MDLos Angeles, CA 900331306932025
- Joseph BaltrushesLos Angeles, CA 900331629152178
- Aaron Bright, M.D.Los Angeles, CA 900331023054087
- Christopher Celentano, MDLos Angeles, CA 900331972516417
- Christine DinuzzoLos Angeles, CA 900331952456741
- Marc Eckstein, M.D.Los Angeles, CA 900331922010867
- Sean Henderson, M.D.Los Angeles, CA 900331205887064
- Helen Ho, MDLos Angeles, CA 900331447208962
Common questions
What is Ryan Michael Perdomo, MD's NPI number?
Ryan Michael Perdomo, MD's National Provider Identifier (NPI) is 1447719745, issued on Mar 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Ryan Michael Perdomo, MD located?
The NPPES record lists a practice address at 1720 E Cesar E Chavez Ave, Los Angeles, CA, 90033. Phone: (323) 268-5000. Providers update this record themselves, so call before visiting.
How can I verify Ryan Michael Perdomo, MD's license?
NPPES lists California license number A177021, 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 Ryan Michael Perdomo, MD prescribe under Medicare Part D?
In 2024, Ryan Michael Perdomo, MD had 541 Medicare Part D claims for 304 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.