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

Wayne Chih Wing Leong, MD

Individual provider Hospitalist Physician · NPI 1023196102

Wayne Chih Wing Leong, MD is an Internal Medicine in Oakland, California. Graduated from University of California, San Diego School of Medicine in 1992, 34 years ago. Practices with Permanente Medical Group Inc, a 10,941-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
34
Trained at
University of California, San Diego 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

275 W Macarthur Blvd
Oakland, CA 94611-5641
Phone: (510) 913-2486
Fax: (510) 752-1610
Show map & directions

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

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence G78793 (CA)

Record details

NPI number1023196102
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 2, 2006
Last updated in NPPESDecember 2, 2021
Mailing address275 W Macarthur Blvd, Oakland, CA 94611-5641

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF CALIFORNIA, SAN DIEGO SCHOOL OF MEDICINE
Graduated 1992 (34 years in practice)
Group practice Permanente Medical Group Inc — 10941 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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