Joseph Grillo, PH.D.
NPI 1649395989 · Clinical Psychologist · Los Angeles, CA
Joseph Grillo, PH.D. is a Clinical Psychologist provider in Los Angeles, CA (NPI 1649395989).
Provider details
- NPI number
- 1649395989
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PH.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- PSY13193 (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
19 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
- 2007-03-19
- Last updated
- 2007-07-08
Frequently asked questions
- What is Joseph Grillo's NPI number?
- Joseph Grillo's National Provider Identifier (NPI) is 1649395989, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Grillo's specialty?
- Joseph Grillo is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Joseph Grillo located?
- Joseph Grillo's practice location on file with NPPES is 3440 Motor Ave, Los Angeles, CA 90034-4769.
- What is Joseph Grillo's phone number?
- The practice phone number listed in the NPPES registry for Joseph Grillo is (310) 259-1303.
- Is Joseph Grillo's NPI active?
- Yes — Joseph Grillo's NPI (1649395989) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.