Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
John Albert Warren, PHARM.D.
Psychiatric Pharmacist in Reno, NV · enumerated 2005.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1760478648
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Registry record
Entity type Individual (Type 1)
Name John Albert Warren
Credential PHARM.D.
Sex Male
Practice address 16420 Carmel Ln, Reno, NV, 89511
Phone (775) 849-2826
Enumeration date Sep 26, 2005
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD 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
What is the NPI number for John Warren?
The National Provider Identifier (NPI) for John Warren is 1760478648, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Warren practice?
The practice location on file with NPPES is in Reno, NV. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.