Joseph Lawrence Chan, M.D.
Emergency Medicine Physician · Los Angeles, CA
Joseph Lawrence Chan, M.D. is an emergency medicine physician with a practice address in Los Angeles, California, and NPI 1477847994, issued on Jun 1, 2011. Check the license (California A124391, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joseph Lawrence Chan
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A124391 CA
2639 MN
320765 NY
Self-reported in NPPES; status is on the state search - Practice location
- 924 Westwood Blvd, Los Angeles, CA 90024
- Phone
- (310) 794-0585
- Enumerated
- Jun 1, 2011
- Record last updated
- Jan 30, 2023
- Medicare enrollment
- Enrolled (PECOS I20150312000036); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 924 Westwood Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ashkan Akasheh, M.D.Emergency Medicine Physician1790074243
- Linnea Esselstrom, PSY.D.Clinical Psychologist1295190361
- Brandon Firestone, M.D.Emergency Medicine Physician1487996161
- James Gordon, M.D.Emergency Medicine Physician1710246673
- Tiffany HsiehEmergency Medicine Physician1912169517
- James JiangEmergency Medicine Physician1184018145
Verify Joseph Lawrence Chan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A124391Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
1% more Medicare Part D claims than the average emergency medicine physician in 2024
229 Medicare Part D claims for 150 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Cephalexin43 claims
- Ondansetron Odt18 claims
- Azithromycin14 claims
- Cyclobenzaprine Hcl14 claims
- Ciprofloxacin Hcl12 claims
- Prednisone12 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.
Industry payments in 2024: $57.12
3 payments; by number, the most common kind was food and beverage; the largest payer was Zoll Services LLC (a/k/a Zoll LifeCor Corp). The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Cep America - CaliforniaLynwood, CA
- Franciscan Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Joseph Lawrence Chan among 7,751 emergency medicine physician records in California
Joseph Lawrence Chan, 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 2011, is newer than 60% of them.
- NPI issued2011 · 60% of these records are older, 37% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2011 · median 2011 among the 4,560 with a school on file
- Record last updated2023 · 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
- Ashkan Akasheh, M.D.Los Angeles, CA 900241790074243
- David Bernheimer, M.D.Los Angeles, CA 900241447420286
- Alexandra DyerLos Angeles, CA 900241326465501
- Brandon Firestone, M.D.Los Angeles, CA 900241487996161
- Wesley Gaschler, M.D.Los Angeles, CA 900241083956338
- Delaram Ghadishah, M.D.Los Angeles, CA 900241417909573
- Simone Gold, M.D.Los Angeles, CA 900241851341895
- James Gordon, M.D.Los Angeles, CA 900241710246673
Common questions
What is Joseph Lawrence Chan, M.D.'s NPI number?
Joseph Lawrence Chan, M.D.'s National Provider Identifier (NPI) is 1477847994, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Joseph Lawrence Chan, M.D. located?
The NPPES record lists a practice address at 924 Westwood Blvd, Los Angeles, CA, 90024. Phone: (310) 794-0585. Providers update this record themselves, so call before visiting.
How can I verify Joseph Lawrence Chan, M.D.'s license?
NPPES lists California license number A124391, 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 Lawrence Chan, M.D. prescribe under Medicare Part D?
In 2024, Joseph Lawrence Chan, M.D. had 229 Medicare Part D claims for 150 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.