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

Dr. Irene Cheng, PHARMD

Individual provider Oncology Pharmacist · NPI 1538221346

Dr. Irene Cheng, PHARMD is an Oncology Pharmacist in Ontario, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
PHARMD — Doctor of Pharmacy
The professional degree required to practise as a pharmacist in the United States.

See every abbreviation used in this directory →

Practice location Address checks out

2295 S Vineyard Ave Mob A Bsmt Medical Oncology
Ontario, CA 91761-7925
Phone: (909) 724-2140
Fax: (909) 724-2141
Show map & directions

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

Specialties & licences

Oncology Pharmacist (primary) Taxonomy 1835X0200X · Licence RPH 49794 (CA)

Record details

NPI number1538221346
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHARMD
Sole proprietorNo
NPI enumeratedDecember 15, 2006
Last updated in NPPESJuly 8, 2007