IndividualActive
Ryan Koyamatsu
NPI 1912547530 · Behavior Technician · Oakland, CA
Ryan Koyamatsu is a Behavior Technician provider in Oakland, CA (NPI 1912547530).
Provider details
- NPI number
- 1912547530
- 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
Established profile(58/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
505 14th St Ste 900
Oakland, CA 94612-1468
Phone: (818) 345-2345
Street-level locationGet directions
Mailing address
21600 Oxnard St Ste 1800
Woodland Hills, CA 91367-7807
Registry dates
- Enumerated
- 2020-01-11
- Last updated
- 2020-01-11
- Certified
- 2020-01-11
Frequently asked questions
- What is Ryan Koyamatsu's NPI number?
- Ryan Koyamatsu's National Provider Identifier (NPI) is 1912547530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Koyamatsu's specialty?
- Ryan Koyamatsu is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Ryan Koyamatsu located?
- Ryan Koyamatsu's practice location on file with NPPES is 505 14th St Ste 900, Oakland, CA 94612-1468.
- What is Ryan Koyamatsu's phone number?
- The practice phone number listed in the NPPES registry for Ryan Koyamatsu is (818) 345-2345.
- Is Ryan Koyamatsu's NPI active?
- Yes — Ryan Koyamatsu's NPI (1912547530) is active in the NPPES registry as of the last update on 2020-01-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.