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

Allen Onizuka, MD

Individual provider Internal Medicine Physician · NPI 1811258940

Allen Onizuka, MD is an Internal Medicine Physician in Baldwin Park, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2012
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

1011 Baldwin Park Blvd
Baldwin Park, CA 91706-5806
Phone: (626) 851-1011
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence A124965 (CA)

Record details

NPI number1811258940
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 5, 2012
Last updated in NPPESNovember 29, 2021
Certification dateNovember 29, 2021

Other providers in Baldwin Park