IndividualActive
William Headrick
NPI 1518229541 · Behavior Analyst · San Luis Obispo, CA
William Headrick is a Behavior Analyst provider in San Luis Obispo, CA (NPI 1518229541).
Provider details
- NPI number
- 1518229541
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(73/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
14 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
4251 S Higuera St
Suite 800
San Luis Obispo, CA 93401-7700
Phone: (805) 541-7130
Fax: (805) 541-7131
Approximate (ZIP-level) locationGet directions
Mailing address
4251 S Higuera St
San Luis Obispo, CA 93401-7700
Registry dates
- Enumerated
- 2012-06-14
- Last updated
- 2012-06-14
Frequently asked questions
- What is William Headrick's NPI number?
- William Headrick's National Provider Identifier (NPI) is 1518229541, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Headrick's specialty?
- William Headrick is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is William Headrick located?
- William Headrick's practice location on file with NPPES is 4251 S Higuera St, San Luis Obispo, CA 93401-7700.
- What is William Headrick's phone number?
- The practice phone number listed in the NPPES registry for William Headrick is (805) 541-7130.
- Is William Headrick's NPI active?
- Yes — William Headrick's NPI (1518229541) is active in the NPPES registry as of the last update on 2012-06-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.