Mark Rossella
NPI 1790257087 · Marriage & Family Therapist · Chatsworth, CA
Mark Rossella is a Marriage & Family Therapist provider in Chatsworth, CA (NPI 1790257087).
Provider details
- NPI number
- 1790257087
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
- 2018-12-26
- Last updated
- 2025-01-31
- Certified
- 2025-01-31
Frequently asked questions
- What is Mark Rossella's NPI number?
- Mark Rossella's National Provider Identifier (NPI) is 1790257087, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rossella's specialty?
- Mark Rossella is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Mark Rossella located?
- Mark Rossella's practice location on file with NPPES is 20809 Bermuda St, Chatsworth, CA 91311-1504.
- What is Mark Rossella's phone number?
- The practice phone number listed in the NPPES registry for Mark Rossella is (818) 384-6221.
- Is Mark Rossella's NPI active?
- Yes — Mark Rossella's NPI (1790257087) is active in the NPPES registry as of the last update on 2025-01-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.