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

Derek Wei-Feng Leong, MD

Individual provider Internal Medicine Physician · NPI 1194102921

Derek Wei-Feng Leong, MD is a Cardiovascular Disease (Cardiology) in Los Angeles, California. Graduated from Georgetown University School of Medicine in 2015, 11 years ago. Practices with Southern California Permanente Medical Group, an 11,242-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
11
Trained at
Georgetown University School of Medicine
Licensed in
CA
In the registry since
2015
Specialties on file
3
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

4733 W Sunset Blvd Fl 3
Los Angeles, CA 90027-6093
Phone: (833) 574-2273
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 8670 Wilshire Blvd Fl 2, Beverly Hills, CA 90211-2930 — (310) 248-8300
  • 8700 Beverly Blvd, West Hollywood, CA 90048-1804 — (626) 673-9205

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence A146264 (CA)
Internal Medicine Physician Taxonomy 207R00000X · Licence A146264 (CA)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X (CA)

Record details

NPI number1194102921
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 30, 2015
Last updated in NPPESDecember 4, 2022
Certification dateDecember 4, 2022

Medicare enrollment

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

Medicare specialtyCARDIOVASCULAR DISEASE (CARDIOLOGY)
Also practisesINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Southern California Permanente Medical Group — 11242 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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