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

Eugene Chien

Individual provider Professional Counselor · NPI 1821414590

Eugene Chien is a Professional Counselor in Rancho Cucamonga, California. Licensed in California. Registered with an NPI since 2014.

Licensed in
CA
In the registry since
2014

Practice location Address checks out

9390 Base Line Rd
Rancho Cucamonga, CA 91701-5839
Phone: (909) 484-5151
Show map & directions

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

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 7991 (CA)

Record details

NPI number1821414590
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 5, 2014
Last updated in NPPESJanuary 29, 2026
Certification dateJanuary 29, 2026

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