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

Brian J. Leberthon, MD , a Medical

Organization Hematology & Oncology Physician · NPI 1821202060

Brian J. Leberthon, MD , a Medical is a Hematology & Oncology Physician in West Covina, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

1135 S Sunset Ave Ste 207
West Covina, CA 91790-3937
Phone: (626) 338-9560
Fax: (626) 338-9360
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence G79934 (CA)

Record details

NPI number1821202060
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Brian Leberthon — M.D. , President Of Corp. · (626) 338-9560
NPI enumeratedMay 9, 2007
Last updated in NPPESDecember 13, 2010
Mailing address1135 S Sunset Ave, Suite 207, West Covina, CA 91790-3937

Other providers in West Covina