IndividualActive
William Isetts
NPI 1598317984 · Behavior Analyst · Anaheim, CA
William Isetts is a Behavior Analyst provider in Anaheim, CA (NPI 1598317984).
Provider details
- NPI number
- 1598317984
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 1-20-44840 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(66/100 index)
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
5499 E Willow Woods Ln Unit B
Anaheim, CA 92807
Phone: (562) 846-4445
Approximate (ZIP-level) locationGet directions
Mailing address
1055 E Colorado Blvd
Pasadena, CA 91106-2327
Registry dates
- Enumerated
- 2019-07-15
- Last updated
- 2023-08-25
- Certified
- 2023-08-23
Frequently asked questions
- What is William Isetts's NPI number?
- William Isetts's National Provider Identifier (NPI) is 1598317984, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Isetts's specialty?
- William Isetts is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is William Isetts located?
- William Isetts's practice location on file with NPPES is 5499 E Willow Woods Ln Unit B, Anaheim, CA 92807.
- What is William Isetts's phone number?
- The practice phone number listed in the NPPES registry for William Isetts is (562) 846-4445.
- Is William Isetts's NPI active?
- Yes — William Isetts's NPI (1598317984) is active in the NPPES registry as of the last update on 2023-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.