Cassandra Larsen, RN, CDE
NPI 1265064620 · Diabetes Educator Registered Nurse · Sioux Falls, SD
Cassandra Larsen, RN, CDE is a Diabetes Educator Registered Nurse provider in Sioux Falls, SD (NPI 1265064620).
Provider details
- NPI number
- 1265064620
- Entity type
- Individual
- Primary specialty
- Diabetes Educator Registered NurseNursing Service Providers
- Credential
- RN, CDE
- Sex
- Female
- Sole proprietor
- Yes
- License
- 21900541 (SD)
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
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
- 2020-02-04
- Last updated
- 2020-02-04
- Certified
- 2020-02-04
Frequently asked questions
- What is Cassandra Larsen's NPI number?
- Cassandra Larsen's National Provider Identifier (NPI) is 1265064620, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cassandra Larsen's specialty?
- Cassandra Larsen is listed in the NPPES registry with a primary specialty of Diabetes Educator Registered Nurse (Nursing Service Providers).
- Where is Cassandra Larsen located?
- Cassandra Larsen's practice location on file with NPPES is 1600 W 22nd St, Sioux Falls, SD 57105-1521.
- What is Cassandra Larsen's phone number?
- The practice phone number listed in the NPPES registry for Cassandra Larsen is (605) 312-1000.
- Is Cassandra Larsen's NPI active?
- Yes — Cassandra Larsen's NPI (1265064620) is active in the NPPES registry as of the last update on 2020-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.