Brian Kociszewski
Behavior Analyst · Chandler, AZ
Brian Kociszewski is a behavior analyst with a practice address in Chandler, Arizona, and NPI 1558823401, issued on Apr 1, 2019. Check the license (Arizona 000399, as entered in NPPES) with the Arizona board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Brian Kociszewski
- Primary taxonomy
- Behavior Analyst 103K00000X
- License number
- 000399 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 2141 E Pecos RD, Chandler, AZ 85225
- Phone
- (480) 846-0607
- Enumerated
- Apr 1, 2019
- Record last updated
- Jan 26, 2026
- Fax
- (480) 841-6696
- Entity
- Type 1 · individual
8 nearest behavior analyst records → All 1,774 in Arizona → Look up another NPI →
Also registered at 2141 E Pecos RD
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Verify Brian Kociszewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Arizona board licenses this profession
Search for license 000399Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Brian Kociszewski among 1,774 behavior analyst records in Arizona
Brian Kociszewski is one of 1,774 behavior analyst records with a practice address in Arizona. under 1% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 38% of them.
- NPI issued2019 · 38% of these records are older, 50% newer
- In a Medicare fileNo · under 1% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2026 · 31% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103K00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
174 behavior analyst records list a practice address in Chandler
They are 174 of the 5,497 NPPES records with a practice address in Chandler, and 1,774 behavior analyst records in Arizona. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,774 in Arizona → Every provider in Chandler → Behavior Analyst nationwide →
The 8 behavior analyst records with the nearest ZIP codes
- Baylee BlackhurstChandler, AZ 852251518591403
- Katelyn BrownChandler, AZ 852251053953943
- Sarah Johnson, B.S/B.SChandler, AZ 852251326679531
- Jenna Kreuz, RBTChandler, AZ 852251427607670
- Brittany Kwiatkowski, BCBAChandler, AZ 852251184269268
- Megan McKibben, LBAChandler, AZ 852251124594833
- James Moore, BCBA-DChandler, AZ 852251992011357
- Andrea Nault, MA, MS, BCBAChandler, AZ 852251265984892
Common questions
What is Brian Kociszewski's NPI number?
Brian Kociszewski's National Provider Identifier (NPI) is 1558823401, issued on Apr 1, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Brian Kociszewski located?
The NPPES record lists a practice address at 2141 E Pecos RD, Chandler, AZ, 85225. Phone: (480) 846-0607. Providers update this record themselves, so call before visiting.
How can I verify Brian Kociszewski's license?
NPPES lists Arizona license number 000399, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.