Lassen, Crna, Nursing Corporation
NPI 1134749468 · Certified Registered Nurse Anesthetist · Downey, CA
Lassen, Crna, Nursing Corporation is a Certified Registered Nurse Anesthetist organization in Downey, CA (NPI 1134749468).
Provider details
- NPI number
- 1134749468
- Entity type
- Organization
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Organization subpart
- No
- Authorized official
- David Lassen, President(801) 885-3660
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
- 2020-04-16
- Last updated
- 2020-04-16
- Certified
- 2020-04-16
Frequently asked questions
- What is Lassen, Crna, Nursing Corporation's NPI number?
- Lassen, Crna, Nursing Corporation's National Provider Identifier (NPI) is 1134749468, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Lassen, Crna, Nursing Corporation?
- Lassen, Crna, Nursing Corporation is classified in the NPPES registry as Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Lassen, Crna, Nursing Corporation located?
- Lassen, Crna, Nursing Corporation's practice location on file with NPPES is 8555 Florence Ave, Downey, CA 90240-4014.
- What is Lassen, Crna, Nursing Corporation's phone number?
- The practice phone number listed in the NPPES registry for Lassen, Crna, Nursing Corporation is (562) 923-9351.
- Who is the authorized official for Lassen, Crna, Nursing Corporation?
- The authorized official listed on Lassen, Crna, Nursing Corporation's NPPES record is David Lassen, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Lassen, Crna, Nursing Corporation's NPI active?
- Yes — Lassen, Crna, Nursing Corporation's NPI (1134749468) is active in the NPPES registry as of the last update on 2020-04-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.