Perry Nicassio, PHD
NPI 1215951868 · Clinical Psychologist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Perry Nicassio, PHD is a Clinical Psychologist provider in Los Angeles, CA (NPI 1215951868).
Provider details
- NPI number
- 1215951868
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PSY10381 (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
- 2006-07-27
- Last updated
- 2013-07-10
Frequently asked questions
- What is Perry Nicassio's NPI number?
- Perry Nicassio's National Provider Identifier (NPI) is 1215951868, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Perry Nicassio's specialty?
- Perry Nicassio is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Perry Nicassio located?
- Perry Nicassio's practice location on file with NPPES is 300 Medical Plz, Los Angeles, CA 90095-0001.
- What is Perry Nicassio's phone number?
- The practice phone number listed in the NPPES registry for Perry Nicassio is (310) 825-9989.
- Does Perry Nicassio accept Medicare?
- Perry Nicassio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Perry Nicassio's NPI active?
- Yes — Perry Nicassio's NPI (1215951868) is active in the NPPES registry as of the last update on 2013-07-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.