Marc Matossian, DO
NPI 1558257956 · Student in an Organized Health Care Education/Training Program · Woodland Hills, CA
Marc Matossian, DO is a Student in an Organized Health Care Education/Training Program provider in Woodland Hills, CA (NPI 1558257956).
Provider details
- NPI number
- 1558257956
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
1 yr 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
- 2025-06-13
- Last updated
- 2025-06-13
- Certified
- 2025-06-13
Frequently asked questions
- What is Marc Matossian's NPI number?
- Marc Matossian's National Provider Identifier (NPI) is 1558257956, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marc Matossian's specialty?
- Marc Matossian is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Marc Matossian located?
- Marc Matossian's practice location on file with NPPES is 19948 Westover Pl, Woodland Hills, CA 91367-3800.
- What is Marc Matossian's phone number?
- The practice phone number listed in the NPPES registry for Marc Matossian is (818) 307-9928.
- Is Marc Matossian's NPI active?
- Yes — Marc Matossian's NPI (1558257956) is active in the NPPES registry as of the last update on 2025-06-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.