Russell E. Leong, MD
Listed as an allergist, with a practice address in San Francisco, California.
Practice location 1
Sutter Bay Medical Foundation
2100 Webster St, Suite 516
San Francisco, CA 94115
From the records
- Specialty
- Allergist
- Records
- Medicare records: Pediatric Medicine (October 2026). Allergy specialty from the national provider registry.
- Medicare
- Accepts the Medicare-approved amount as payment in full (Medicare assignment), according to CMS’s file. This applies to Original Medicare; Medicare Advantage plans have their own networks. What assignment means
- Medical school
- Un of California, Irvine, College of Medicine, graduated 1978 (Medicare records)
- Registry record
- Last updated July 2007
- NPI
- 1518961069 (national provider registry)
A listing isn’t a check of a license or board certification, and it doesn’t tell you whether a doctor is taking new patients or accepts your insurance. Call the practice. How we list doctorsChecking your insurance
Is this your listing?
If you’re this doctor or work at their practice, claim the listing to add details such as languages, a website and a booking link. It’s free, and it never changes where a doctor appears in our lists.
From CMS’s Doctors and Clinicians file (October 2026) and the national provider registry, NPPES (October 2026). Listings are free and in alphabetical order; we don’t rate or recommend doctors. How we list doctors