IndividualActive
Ryan Grassmeyer
NPI 1356280408 · Behavior Technician · Torrance, CA
Ryan Grassmeyer is a Behavior Technician provider in Torrance, CA (NPI 1356280408).
Provider details
- NPI number
- 1356280408
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
20101 Hamilton Ave
100
Torrance, CA 90502-1351
Phone: (888) 428-3223
Fax: (323) 866-1881
Street-level locationGet directions
Mailing address
4221 Wilshire Blvd
Los Angeles, CA 90010-3512
Registry dates
- Enumerated
- 2026-03-25
- Last updated
- 2026-03-25
- Certified
- 2026-03-25
Frequently asked questions
- What is Ryan Grassmeyer's NPI number?
- Ryan Grassmeyer's National Provider Identifier (NPI) is 1356280408, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Grassmeyer's specialty?
- Ryan Grassmeyer is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Ryan Grassmeyer located?
- Ryan Grassmeyer's practice location on file with NPPES is 20101 Hamilton Ave, Torrance, CA 90502-1351.
- What is Ryan Grassmeyer's phone number?
- The practice phone number listed in the NPPES registry for Ryan Grassmeyer is (888) 428-3223.
- Is Ryan Grassmeyer's NPI active?
- Yes — Ryan Grassmeyer's NPI (1356280408) is active in the NPPES registry as of the last update on 2026-03-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.