Mark Sormillon, RN
NPI 1447819511 · Adult Psychiatric/Mental Health Registered Nurse · Santee, CA
Mark Sormillon, RN is a Adult Psychiatric/Mental Health Registered Nurse provider in Santee, CA (NPI 1447819511).
Provider details
- NPI number
- 1447819511
- Entity type
- Individual
- Primary specialty
- Adult Psychiatric/Mental Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 95166326 (CA)
Specialties & taxonomies
Nursing 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
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
- 2019-06-11
- Last updated
- 2019-06-11
Frequently asked questions
- What is Mark Sormillon's NPI number?
- Mark Sormillon's National Provider Identifier (NPI) is 1447819511, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Sormillon's specialty?
- Mark Sormillon is listed in the NPPES registry with a primary specialty of Adult Psychiatric/Mental Health Registered Nurse (Nursing Service Providers).
- Where is Mark Sormillon located?
- Mark Sormillon's practice location on file with NPPES is 10201 Mission Gorge Rd Ste O, Santee, CA 92071-3040.
- What is Mark Sormillon's phone number?
- The practice phone number listed in the NPPES registry for Mark Sormillon is (310) 953-1247.
- Is Mark Sormillon's NPI active?
- Yes — Mark Sormillon's NPI (1447819511) is active in the NPPES registry as of the last update on 2019-06-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.