IndividualActive
Nathan Williams
NPI 1255262101 · Behavior Technician · San Diego, CA
Nathan Williams is a Behavior Technician provider in San Diego, CA (NPI 1255262101).
Provider details
- NPI number
- 1255262101
- 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(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
3003 4th Ave
San Diego, CA 92103-5801
Phone: (888) 428-3223
Fax: (323) 866-1881
Street-level locationGet directions
Mailing address
501 Shatto Pl
Los Angeles, CA 90020-1738
Registry dates
- Enumerated
- 2026-05-28
- Last updated
- 2026-05-28
- Certified
- 2026-05-28
Frequently asked questions
- What is Nathan Williams's NPI number?
- Nathan Williams's National Provider Identifier (NPI) is 1255262101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Williams's specialty?
- Nathan Williams is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).
- Where is Nathan Williams located?
- Nathan Williams's practice location on file with NPPES is 3003 4th Ave, San Diego, CA 92103-5801.
- What is Nathan Williams's phone number?
- The practice phone number listed in the NPPES registry for Nathan Williams is (888) 428-3223.
- Is Nathan Williams's NPI active?
- Yes — Nathan Williams's NPI (1255262101) is active in the NPPES registry as of the last update on 2026-05-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.