IndividualActive
Kelsey Nielsen
NPI 1407329493 · Behavior Analyst · San Diego, CA
Kelsey Nielsen is a Behavior Analyst provider in San Diego, CA (NPI 1407329493).
Provider details
- NPI number
- 1407329493
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 1-23-66175 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(67/100 index)
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
3731 6th Ave Ste 100
San Diego, CA 92103-4383
Phone: (855) 223-7123
Street-level locationGet directions
Mailing address
16782 Von Karman Ave Ste 11
Irvine, CA 92606-2417
Registry dates
- Enumerated
- 2019-01-02
- Last updated
- 2025-09-18
- Certified
- 2025-09-18
Frequently asked questions
- What is Kelsey Nielsen's NPI number?
- Kelsey Nielsen's National Provider Identifier (NPI) is 1407329493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Kelsey Nielsen's specialty?
- Kelsey Nielsen is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Kelsey Nielsen located?
- Kelsey Nielsen's practice location on file with NPPES is 3731 6th Ave Ste 100, San Diego, CA 92103-4383.
- What is Kelsey Nielsen's phone number?
- The practice phone number listed in the NPPES registry for Kelsey Nielsen is (855) 223-7123.
- Is Kelsey Nielsen's NPI active?
- Yes — Kelsey Nielsen's NPI (1407329493) is active in the NPPES registry as of the last update on 2025-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.