IndividualActive
Marlene Ontiveos
NPI 1639665722 · Case Manager/Care Coordinator · El Monte, CA
Marlene Ontiveos is a Case Manager/Care Coordinator provider in El Monte, CA (NPI 1639665722).
Provider details
- NPI number
- 1639665722
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(61/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
7 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
10418 Valley Blvd Ste a
El Monte, CA 91731-3600
Phone: (626) 258-1600
Fax: (262) 258-1609
Street-level locationGet directions
Mailing address
10418 Valley Blvd Ste a
El Monte, CA 91731-3600
Registry dates
- Enumerated
- 2018-07-02
- Last updated
- 2018-07-02
Frequently asked questions
- What is Marlene Ontiveos's NPI number?
- Marlene Ontiveos's National Provider Identifier (NPI) is 1639665722, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marlene Ontiveos's specialty?
- Marlene Ontiveos is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Marlene Ontiveos located?
- Marlene Ontiveos's practice location on file with NPPES is 10418 Valley Blvd Ste a, El Monte, CA 91731-3600.
- What is Marlene Ontiveos's phone number?
- The practice phone number listed in the NPPES registry for Marlene Ontiveos is (626) 258-1600.
- Is Marlene Ontiveos's NPI active?
- Yes — Marlene Ontiveos's NPI (1639665722) is active in the NPPES registry as of the last update on 2018-07-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.