William Headrick
Behavior Analyst · San Luis Obispo, CA
William Headrick is a behavior analyst with a practice address in San Luis Obispo, California, and NPI 1518229541, issued on Jun 14, 2012. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Headrick
- Primary taxonomy
- Behavior Analyst 103K00000X
- Practice location
- 4251 S Higuera St, San Luis Obispo, CA 93401
- Phone
- (805) 541-7130
- Enumerated
- Jun 14, 2012
- Record last updated
- Jun 14, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (805) 541-7131
- Entity
- Type 1 · individual
Also registered at 4251 S Higuera St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Atsuko Rees, M.D.Family Medicine Physician1467496091
- Genevieve Sullivan, MS BCBABehavior Analyst1154683183
- Charlotte Techau, M.ASpeech-Language Pathologist1417182494
Verify William Headrick in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Behavior Analyst providers in California
There are 20,348 behavior analyst records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 20,348 in California → Every provider in San Luis Obispo →
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Common questions
What is William Headrick's NPI number?
William Headrick's National Provider Identifier (NPI) is 1518229541, issued on Jun 14, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Headrick located?
The NPPES record lists a practice address at 4251 S Higuera St, San Luis Obispo, CA, 93401. Phone: (805) 541-7130. Providers update this record themselves, so call before visiting.
How can I verify William Headrick's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.