First Assistant Nurses
NPI 1821796244 · Registered Nurse First Assistant · Mission Viejo, CA
First Assistant Nurses is a Registered Nurse First Assistant organization in Mission Viejo, CA (NPI 1821796244).
Provider details
- NPI number
- 1821796244
- Entity type
- Organization
- Primary specialty
- Registered Nurse First AssistantNursing Service Providers
- Organization subpart
- No
- Authorized official
- Leslie Jansen, Rnfa(949) 395-6661
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
3 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
- 2023-02-16
- Last updated
- 2023-02-16
- Certified
- 2023-02-16
Frequently asked questions
- What is First Assistant Nurses's NPI number?
- First Assistant Nurses's National Provider Identifier (NPI) is 1821796244, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is First Assistant Nurses?
- First Assistant Nurses is classified in the NPPES registry as Registered Nurse First Assistant (Nursing Service Providers).
- Where is First Assistant Nurses located?
- First Assistant Nurses's practice location on file with NPPES is 26651 Las Tunas Dr, Mission Viejo, CA 92692-3934.
- What is First Assistant Nurses's phone number?
- The practice phone number listed in the NPPES registry for First Assistant Nurses is (949) 395-6661.
- Who is the authorized official for First Assistant Nurses?
- The authorized official listed on First Assistant Nurses's NPPES record is Leslie Jansen, Rnfa. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is First Assistant Nurses's NPI active?
- Yes — First Assistant Nurses's NPI (1821796244) is active in the NPPES registry as of the last update on 2023-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.