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

Marlene Ontiveos

Individual provider Case Manager/Care Coordinator · NPI 1639665722

Marlene Ontiveos is a Case Manager/Care Coordinator in El Monte, California. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

10418 Valley Blvd Ste A
El Monte, CA 91731-3600
Phone: (626) 258-1600
Fax: (262) 258-1609
Show map & directions

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

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1639665722
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJuly 2, 2018
Last updated in NPPESJuly 2, 2018
Mailing address10418 Valley Blvd Ste A, El Monte, CA 91731-3600

Other providers in El Monte