IndividualActive
Chelsea Grenfell
NPI 1154849602 · Social Worker · Upland, CA
Chelsea Grenfell is a Social Worker provider in Upland, CA (NPI 1154849602).
Provider details
- NPI number
- 1154849602
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 92355 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(69/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% 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
1425 W Foothill Blvd Ste 201
Upland, CA 91786-3637
Phone: (877) 527-7227
Street-level locationGet directions
Mailing address
25910 Acero Ste 160
Mission Viejo, CA 92691-2777
Registry dates
- Enumerated
- 2017-09-05
- Last updated
- 2025-01-17
- Certified
- 2025-01-17
Frequently asked questions
- What is Chelsea Grenfell's NPI number?
- Chelsea Grenfell's National Provider Identifier (NPI) is 1154849602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Chelsea Grenfell's specialty?
- Chelsea Grenfell is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Chelsea Grenfell located?
- Chelsea Grenfell's practice location on file with NPPES is 1425 W Foothill Blvd Ste 201, Upland, CA 91786-3637.
- What is Chelsea Grenfell's phone number?
- The practice phone number listed in the NPPES registry for Chelsea Grenfell is (877) 527-7227.
- Is Chelsea Grenfell's NPI active?
- Yes — Chelsea Grenfell's NPI (1154849602) is active in the NPPES registry as of the last update on 2025-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.