Michael Sassounian
NPI 1154856680 · Specialist · Torrance, CA
Enrolled with Medicare as Order and Referring Only - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Sassounian is a Specialist provider in Torrance, CA (NPI 1154856680).
Provider details
- NPI number
- 1154856680
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- A156866 (CA)
Specialties & taxonomies
Other Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
- 2017-04-21
- Last updated
- 2021-12-28
- Certified
- 2021-12-28
Frequently asked questions
- What is Michael Sassounian's NPI number?
- Michael Sassounian's National Provider Identifier (NPI) is 1154856680, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Sassounian's specialty?
- Michael Sassounian is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Michael Sassounian located?
- Michael Sassounian's practice location on file with NPPES is 1000 W Carson St, Torrance, CA 90502.
- What is Michael Sassounian's phone number?
- The practice phone number listed in the NPPES registry for Michael Sassounian is (310) 222-2345.
- Does Michael Sassounian accept Medicare?
- Michael Sassounian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Sassounian's NPI active?
- Yes — Michael Sassounian's NPI (1154856680) is active in the NPPES registry as of the last update on 2021-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.