William Kavanaugh, LMFT
NPI 1639041148 · Marriage & Family Therapist · Placentia, CA
William Kavanaugh, LMFT is a Marriage & Family Therapist provider in Placentia, CA (NPI 1639041148).
Provider details
- NPI number
- 1639041148
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- No
- License
- 155237 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
100% 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
Mailing address
Registry dates
- Enumerated
- 2025-09-23
- Last updated
- 2025-09-23
- Certified
- 2025-09-23
Frequently asked questions
- What is William Kavanaugh's NPI number?
- William Kavanaugh's National Provider Identifier (NPI) is 1639041148, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Kavanaugh's specialty?
- William Kavanaugh is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is William Kavanaugh located?
- William Kavanaugh's practice location on file with NPPES is 2466 Bow Cir, Placentia, CA 92870-1411.
- What is William Kavanaugh's phone number?
- The practice phone number listed in the NPPES registry for William Kavanaugh is (714) 269-6092.
- Is William Kavanaugh's NPI active?
- Yes — William Kavanaugh's NPI (1639041148) is active in the NPPES registry as of the last update on 2025-09-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.