Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Jonathan R Chwirut, BCABA
Behavior Analyst in Bethesda, MD · enumerated 2014.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578982765
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Registry record
Entity type Individual (Type 1)
Name Mr. Jonathan R Chwirut
Credential BCABA
Sex Male
Practice address 7000 Oak Forest Ln, Bethesda, MD, 20817
Phone (240) 672-2386
Fax (443) 221-4486
Enumeration date Apr 15, 2014
Last updated in NPPES Feb 19, 2021
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 0-14-5875 (MD) Primary
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Where does Jonathan Chwirut practice?
The practice location on file with NPPES is in Bethesda, MD. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jonathan Chwirut?
The National Provider Identifier (NPI) for Jonathan Chwirut is 1578982765, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-19.