IndividualActive
Mark Youssef
NPI 1457115388 · Marriage & Family Therapist · Anaheim, CA
Mark Youssef is a Marriage & Family Therapist provider in Anaheim, CA (NPI 1457115388).
Provider details
- NPI number
- 1457115388
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(55/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
2 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
421 N Brookhurst St Ste 119
Anaheim, CA 92801-5618
Phone: (714) 497-3130
Street-level locationGet directions
Mailing address
Po Box 50141
Irvine, CA 92619-0141
Additional practice locations (1)
- 421 N Brookhurst St Ste 119Anaheim, CA 92801-5618Phone: (714) 497-3130
Registry dates
- Enumerated
- 2024-02-12
- Last updated
- 2024-02-23
- Certified
- 2024-02-23
Frequently asked questions
- What is Mark Youssef's NPI number?
- Mark Youssef's National Provider Identifier (NPI) is 1457115388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Youssef's specialty?
- Mark Youssef is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mark Youssef located?
- Mark Youssef's practice location on file with NPPES is 421 N Brookhurst St Ste 119, Anaheim, CA 92801-5618.
- What is Mark Youssef's phone number?
- The practice phone number listed in the NPPES registry for Mark Youssef is (714) 497-3130.
- Is Mark Youssef's NPI active?
- Yes — Mark Youssef's NPI (1457115388) is active in the NPPES registry as of the last update on 2024-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.