Joseph Hardcastle, LMFT
NPI 1538368980 · Marriage & Family Therapist · San Luis Obispo, CA
Joseph Hardcastle, LMFT is a Marriage & Family Therapist provider in San Luis Obispo, CA (NPI 1538368980).
Provider details
- NPI number
- 1538368980
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Male
- Sole proprietor
- Yes
- License
- 42434 (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
18 yrs in NPPES 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
- 2007-07-16
- Last updated
- 2007-07-16
Frequently asked questions
- What is Joseph Hardcastle's NPI number?
- Joseph Hardcastle's National Provider Identifier (NPI) is 1538368980, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Hardcastle's specialty?
- Joseph Hardcastle is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Joseph Hardcastle located?
- Joseph Hardcastle's practice location on file with NPPES is 2945 Mcmillan Ave, San Luis Obispo, CA 93401-6766.
- What is Joseph Hardcastle's phone number?
- The practice phone number listed in the NPPES registry for Joseph Hardcastle is (805) 781-4275.
- Is Joseph Hardcastle's NPI active?
- Yes — Joseph Hardcastle's NPI (1538368980) is active in the NPPES registry as of the last update on 2007-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.