Joseph Sung Eun Choi, MD, MPH
Emergency Medicine Physician · Los Angeles, CA
Joseph Sung Eun Choi, MD, MPH is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1902087497, issued on Nov 26, 2007. Check the license (California A99449, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Sung Eun Choi
- Credential
- MD, MPH
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A99449 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1200 N State St, Los Angeles, CA 90089
- Phone
- (323) 226-2622
- Enumerated
- Nov 26, 2007
- Record last updated
- Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080604000799); 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 1200 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joseph Sung Eun Choi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
67% more Medicare Part D claims than the average emergency medicine physician in 2024
377 Medicare Part D claims for 226 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 45 claims were for opioids.
Most prescribed
- Ibuprofen39 claims
- Cephalexin34 claims
- Hydrocodone-Acetaminophen34 claims
- Prednisone31 claims
- Cefpodoxime Proxetil24 claims
- Ondansetron Odt22 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 GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Sung Eun Choi among 7,751 emergency medicine physician records in California
Joseph Sung Eun Choi, MD, MPH 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 2007, is newer than 40% of them.
- NPI issued2007 · 40% of these records are older, 50% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2005 · median 2011 among the 4,560 with a school on file
- Record last updated2021 · 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
- Robert AllenLos Angeles, CA 900891528562469
- Eduardo Borquez, M.D.Los Angeles, CA 900891497935134
- David Diller, M.D.Los Angeles, CA 900891801187398
- Dennis Espitia, M.D.Los Angeles, CA 900891669654380
- David Harrison, M.D.Los Angeles, CA 900891104189000
- Jennifer Huang, D.O.Los Angeles, CA 900891275708588
- Vanessa Kreger, M.D.Los Angeles, CA 900891467849604
- Mizuho Morrison, DOLos Angeles, CA 900891508008335
Common questions
What is Joseph Sung Eun Choi, MD, MPH's NPI number?
Joseph Sung Eun Choi, MD, MPH's National Provider Identifier (NPI) is 1902087497, issued on Nov 26, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Sung Eun Choi, MD, MPH located?
The NPPES record lists a practice address at 1200 N State St, Los Angeles, CA, 90089. Phone: (323) 226-2622. Providers update this record themselves, so call before visiting.
How can I verify Joseph Sung Eun Choi, MD, MPH's license?
NPPES lists California license number A99449, 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 Joseph Sung Eun Choi, MD, MPH prescribe under Medicare Part D?
In 2024, Joseph Sung Eun Choi, MD, MPH had 377 Medicare Part D claims for 226 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.