IndividualActive
Miriam Castellanos
NPI 1558494609 · Case Manager/Care Coordinator · Upland, CA
Miriam Castellanos is a Case Manager/Care Coordinator provider in Upland, CA (NPI 1558494609).
Provider details
- NPI number
- 1558494609
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(83/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
770 Guadalupe Dr
Upland, CA 91786-3451
Phone: (909) 920-9410
Street-level locationGet directions
Mailing address
770 Guadalupe Dr
Upland, CA 91786-3451
Registry dates
- Enumerated
- 2007-03-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is Miriam Castellanos's NPI number?
- Miriam Castellanos's National Provider Identifier (NPI) is 1558494609, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Miriam Castellanos's specialty?
- Miriam Castellanos is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Miriam Castellanos located?
- Miriam Castellanos's practice location on file with NPPES is 770 Guadalupe Dr, Upland, CA 91786-3451.
- What is Miriam Castellanos's phone number?
- The practice phone number listed in the NPPES registry for Miriam Castellanos is (909) 920-9410.
- Is Miriam Castellanos's NPI active?
- Yes — Miriam Castellanos's NPI (1558494609) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.