Leah Massey-Longo
NPI 1366929242 · Mental Health Counselor · Orange, CA
Enrolled with Medicare as Practitioner - Clinical Psychologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leah Massey-Longo is a Mental Health Counselor provider in Orange, CA (NPI 1366929242).
Provider details
- NPI number
- 1366929242
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
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
7 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2018-07-24
- Last updated
- 2018-07-24
Frequently asked questions
- What is Leah Massey-Longo's NPI number?
- Leah Massey-Longo's National Provider Identifier (NPI) is 1366929242, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leah Massey-Longo's specialty?
- Leah Massey-Longo is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Leah Massey-Longo located?
- Leah Massey-Longo's practice location on file with NPPES is 301 the City Dr S, Orange, CA 92848.
- What is Leah Massey-Longo's phone number?
- The practice phone number listed in the NPPES registry for Leah Massey-Longo is (714) 935-6363.
- Does Leah Massey-Longo accept Medicare?
- Leah Massey-Longo is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leah Massey-Longo's NPI active?
- Yes — Leah Massey-Longo's NPI (1366929242) is active in the NPPES registry as of the last update on 2018-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.