John Chu, MD
Emergency Medicine Physician · Laguna Niguel, CA
John Chu, MD is an emergency medicine physician with a practice address in Laguna Niguel, California, and NPI 1760432827, issued on May 11, 2006. Check the license (California A065326, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- John Chu
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A065326 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5 Saint Isabella, Laguna Niguel, CA 92677
- Phone
- (949) 249-9205
- Enumerated
- May 11, 2006
- Record last updated
- May 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 00A653260 CA
- Medicare enrollment
- Enrolled (PECOS I20041208000220); accepts Medicare assignment
- Medical or professional school
- Temple University School Of Medicine, 1994
- Entity
- Type 1 · individual
Also registered at 5 Saint Isabella
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Huda AltaweelPharmacist1720768104
Verify John Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A065326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.6 times the Medicare Part D claims of the average emergency medicine physician in 2024
809 Medicare Part D claims for 461 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone187 claims
- Azithromycin126 claims
- Cephalexin115 claims
- Ibuprofen95 claims
- Doxycycline Hyclate40 claims
- Paxlovid35 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 2 group practices
- Emergency Physicians Urgent Care IncBakersfield, CA
- Priority Urgent CareBakersfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Emergency Medicine Physician providers in California
There are 7,751 emergency medicine physician records in California.
Other emergency medicine physician records in California
- Cooper Aakhus, MDStanford, CA1194351007
- Pyra Aarden, MDMartinez, CA1417058199
- Neal Aaron, D.O.Encinitas, CA1114283520
- Eric AaserudeWalnut Creek, CA1811491194
- Nader Abas, MDBarstow, CA1346288305
- Michael Abbo, MDNovato, CA1205819042
- Daniel Abbott, MDFullerton, CA1518907864
- Paul-Andre Abboud, M.D.Oakland, CA1710065503
- Mostafa Abdel-Hamid, MDStanford, CA1457918740
- Ashraf Abdel-KerimChino, CA1396961538
Common questions
What is John Chu, MD's NPI number?
John Chu, MD's National Provider Identifier (NPI) is 1760432827, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Chu, MD located?
The NPPES record lists a practice address at 5 Saint Isabella, Laguna Niguel, CA, 92677. Phone: (949) 249-9205. Providers update this record themselves, so call before visiting.
How can I verify John Chu, MD's license?
NPPES lists California license number A065326, 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 John Chu, MD prescribe under Medicare Part D?
In 2024, John Chu, MD had 809 Medicare Part D claims for 461 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.