Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Zena Y Warren, OTR/L
Occupational Therapist in Largo, MD · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1023337888
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Registry record
Entity type Individual (Type 1)
Name Zena Y Warren
Credential OTR/L
Sex Female
Practice address 9200 Basil Ct, Suite 205, Largo, MD, 20774
Phone (240) 764-6950
Fax (240) 764-7350
Enumeration date May 19, 2010
Last updated in NPPES Sep 27, 2011
Taxonomy & licenses
225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 05876 (MD) Primary
225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License OT010000436 (DC) Secondary
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
What is the NPI number for Zena Warren?
The National Provider Identifier (NPI) for Zena Warren is 1023337888, a Type 1 (individual) record in the CMS NPPES registry.
Where does Zena Warren practice?
The practice location on file with NPPES is in Largo, MD. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-09-27.