Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ryan Marek
Behavior Analyst in Warwick, RI · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659739621
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Registry record
Entity type Individual (Type 1)
Name Ryan Marek
Sex Male
Practice address 2733 Post Rd, Warwick, RI, 02886
Phone (401) 921-4825
Fax (401) 921-4918
Enumeration date Feb 5, 2016
Last updated in NPPES Feb 5, 2016
Taxonomy & licenses
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 Ryan Marek practice?
The practice location on file with NPPES is in Warwick, RI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ryan Marek?
The National Provider Identifier (NPI) for Ryan Marek is 1659739621, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Lynne Kudrowitz Clinical Social Worker · Warwick, RI NPI 1003021726 Ocean State Behavioral Behavior Analyst · Warwick, RI NPI 1427392075 Melissa Ross Marriage & Family Therapist · Warwick, RI NPI 1386078079 Shawna Swift Clinical Social Worker · Warwick, RI NPI 1912365297 Koryn Bluestein Mental Health Counselor · Warwick, RI NPI 1467947275 Michele Grieco Mental Health Counselor · Warwick, RI NPI 1023681996 Beverly Perez Case Management Agency · Warwick, RI NPI 1790414993 Mckayla Marchus Clinical Social Worker · Warwick, RI NPI 1447000286
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-05.