Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Gwendolyn Delosie Sampson Brown, RN, DNP
Registered Nurse in Rio Vista, CA · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992404495
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Registry record
Entity type Individual (Type 1)
Name Gwendolyn Delosie Sampson Brown
Credential RN, DNP
Sex Female
Practice address 490 Waterwood Dr, Rio Vista, CA, 94571
Phone (510) 881-6463
Enumeration date Feb 23, 2023
Last updated in NPPES Feb 23, 2023
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN credential
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 Gwendolyn Sampson Brown practice?
The practice location on file with NPPES is in Rio Vista, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Gwendolyn Sampson Brown?
The National Provider Identifier (NPI) for Gwendolyn Sampson Brown is 1992404495, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-02-23.