IndividualActive
Sherwin Ryu Sim
NPI 1598638116 · Behavior Technician · Santa Cruz, CA
Sherwin Ryu Sim is a Behavior Technician provider in Santa Cruz, CA (NPI 1598638116).
Provider details
- NPI number
- 1598638116
- Entity type
- Individual
- Primary specialty
- Behavior TechnicianBehavioral Health & Social Service Providers
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(47/100 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
101 Cooper St
Santa Cruz, CA 95060-4526
Phone: (877) 264-6747
Street-level locationGet directions
Mailing address
295 89th St Ste 306
Daly City, CA 94015-1656
Registry dates
- Enumerated
- 2025-09-29
- Last updated
- 2025-09-29
- Certified
- 2025-09-29
Frequently asked questions
- What is Sherwin Ryu Sim's NPI number?
- Sherwin Ryu Sim's National Provider Identifier (NPI) is 1598638116, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sherwin Ryu Sim's specialty?
- Sherwin Ryu Sim is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Sherwin Ryu Sim located?
- Sherwin Ryu Sim's practice location on file with NPPES is 101 Cooper St, Santa Cruz, CA 95060-4526.
- What is Sherwin Ryu Sim's phone number?
- The practice phone number listed in the NPPES registry for Sherwin Ryu Sim is (877) 264-6747.
- Is Sherwin Ryu Sim's NPI active?
- Yes — Sherwin Ryu Sim's NPI (1598638116) is active in the NPPES registry as of the last update on 2025-09-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.