Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

John S Leung, MD

Individual provider Emergency Medicine Physician · NPI 1649214198

John S Leung, MD is an Emergency Medicine in Monterey Park, California. Graduated from Boston University School of Medicine in 1997, 29 years ago. Practices with Smartclinic Inc, a 2-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
29
Trained at
Boston University School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

525 N Garfield Avenue Emergency Dept
Monterey Park, CA 91754
Phone: (626) 307-2129
Fax: (626) 307-2056
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A81012 (CA)

Record details

NPI number1649214198
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESNovember 5, 2017

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolBOSTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Smartclinic Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Monterey Park