S. John Whang, M.D.
Emergency Medicine Physician · Los Angeles, CA
S. John Whang, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1851346548, issued on May 23, 2006. Check the license (California A92903, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- S. John Whang
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A92903 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3223 W 6TH St, Los Angeles, CA 90020
- Phone
- (323) 633-2399
- Enumerated
- May 23, 2006
- Record last updated
- Jun 5, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060831000330); accepts Medicare assignment
- Medical or professional school
- University Of California, Irvine, California College Of Medicine, 1999
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 3223 W 6TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lauren Morovati, NPPsychiatric/Mental Health Nurse Practitioner1568300614
- Mayami OyanagiPhysical Therapist1811306624
Verify S. John Whang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A92903Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average emergency medicine physician in 2024
118 Medicare Part D claims for 86 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Cephalexin21 claims
- Ondansetron Odt20 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 3 group practices
- Can Emergency Physicians Medical Group IncLos Angeles, CA
- Glendale Adventist Emergency Physicians IncorporatedGlendale, CA
- Torrance Health Association IncManhattan Beach, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
S. John Whang among 7,751 emergency medicine physician records in California
S. John Whang, M.D. 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 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 60% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1999 · median 2011 among the 4,560 with a school on file
- Record last updated2015 · 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
- Walter Bush, M.D.Los Angeles, CA 900191437191566
- Stephen Carney, M.D.Los Angeles, CA 900191457394918
- Irv Edwards, M.D.Los Angeles, CA 900191568400513
- Kim Fouche, M.D.Los Angeles, CA 900191275573669
- Marco Hernandez, M.D.Los Angeles, CA 900191831131804
- Kenneth Jung, M.D.Los Angeles, CA 900191093730426
- Robert Lynch, M.D.Los Angeles, CA 900191346283371
- Zabiullah Nessary, PALos Angeles, CA 900191457464331
Common questions
What is S. John Whang, M.D.'s NPI number?
S. John Whang, M.D.'s National Provider Identifier (NPI) is 1851346548, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is S. John Whang, M.D. located?
The NPPES record lists a practice address at 3223 W 6TH St, Los Angeles, CA, 90020. Phone: (323) 633-2399. Providers update this record themselves, so call before visiting.
How can I verify S. John Whang, M.D.'s license?
NPPES lists California license number A92903, 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 S. John Whang, M.D. prescribe under Medicare Part D?
In 2024, S. John Whang, M.D. had 118 Medicare Part D claims for 86 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.