IndividualActive
Maria Arreola
NPI 1154198463 · Social Worker · Monrovia, CA
Maria Arreola is a Social Worker provider in Monrovia, CA (NPI 1154198463).
Provider details
- NPI number
- 1154198463
- Entity type
- Individual
- Primary specialty
- Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- 123923 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(57/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 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
50 W Lemon Ave
Monrovia, CA 91016-6153
Phone: (626) 296-8900
Street-level locationGet directions
Mailing address
333 W California Blvd Apt 202
Pasadena, CA 91105-2944
Registry dates
- Enumerated
- 2023-12-06
- Last updated
- 2025-09-26
- Certified
- 2025-09-26
Frequently asked questions
- What is Maria Arreola's NPI number?
- Maria Arreola's National Provider Identifier (NPI) is 1154198463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Arreola's specialty?
- Maria Arreola is listed in the NPPES registry with a primary specialty of Social Worker (Behavioral Health & Social Service Providers).
- Where is Maria Arreola located?
- Maria Arreola's practice location on file with NPPES is 50 W Lemon Ave, Monrovia, CA 91016-6153.
- What is Maria Arreola's phone number?
- The practice phone number listed in the NPPES registry for Maria Arreola is (626) 296-8900.
- Is Maria Arreola's NPI active?
- Yes — Maria Arreola's NPI (1154198463) is active in the NPPES registry as of the last update on 2025-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.