IndividualActive
Marysia Marshall
NPI 1265264998 · Behavior Technician · Monrovia, CA
Marysia Marshall is a Behavior Technician provider in Monrovia, CA (NPI 1265264998).
Provider details
- NPI number
- 1265264998
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(49/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
1333 S Mayflower Ave
Monrovia, CA 91016-4066
Phone: (818) 241-6780
Street-level locationGet directions
Mailing address
1333 S Mayflower Ave
Monrovia, CA 91016-4066
Registry dates
- Enumerated
- 2024-08-20
- Last updated
- 2024-08-20
- Certified
- 2024-08-20
Frequently asked questions
- What is Marysia Marshall's NPI number?
- Marysia Marshall's National Provider Identifier (NPI) is 1265264998, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marysia Marshall's specialty?
- Marysia Marshall is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Marysia Marshall located?
- Marysia Marshall's practice location on file with NPPES is 1333 S Mayflower Ave, Monrovia, CA 91016-4066.
- What is Marysia Marshall's phone number?
- The practice phone number listed in the NPPES registry for Marysia Marshall is (818) 241-6780.
- Is Marysia Marshall's NPI active?
- Yes — Marysia Marshall's NPI (1265264998) is active in the NPPES registry as of the last update on 2024-08-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.