IndividualActive
Brian Kociszewski
NPI 1558823401 · Behavior Analyst · Chandler, AZ
Brian Kociszewski is a Behavior Analyst provider in Chandler, AZ (NPI 1558823401).
Provider details
- NPI number
- 1558823401
- Entity type
- Individual
- Primary specialty
- Behavior AnalystBehavioral Health & Social Service Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 000399 (AZ)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Established profile(71/100 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
2 documented practice locations
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
2141 E Pecos Rd
Chandler, AZ 85225-6077
Phone: (480) 846-0607
Fax: (480) 841-6696
Street-level locationGet directions
Mailing address
2141 E Pecos Rd
Chandler, AZ 85225-6077
Additional practice locations (1)
- 2121 E Pecos Rd Ste 1Chandler, AZ 85225-6075Phone: (480) 846-0607Fax: (480) 841-6696
Registry dates
- Enumerated
- 2019-04-01
- Last updated
- 2026-01-26
- Certified
- 2026-01-26
Frequently asked questions
- What is Brian Kociszewski's NPI number?
- Brian Kociszewski's National Provider Identifier (NPI) is 1558823401, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Brian Kociszewski's specialty?
- Brian Kociszewski is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).
- Where is Brian Kociszewski located?
- Brian Kociszewski's practice location on file with NPPES is 2141 E Pecos Rd, Chandler, AZ 85225-6077.
- What is Brian Kociszewski's phone number?
- The practice phone number listed in the NPPES registry for Brian Kociszewski is (480) 846-0607.
- Is Brian Kociszewski's NPI active?
- Yes — Brian Kociszewski's NPI (1558823401) is active in the NPPES registry as of the last update on 2026-01-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.