Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
James W Diss, PSY.D.
Psychologist in Sparks, NV · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811903180
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Registry record
Entity type Individual (Type 1)
Name James W Diss
Credential PSY.D.
Sex Male
Practice address 480 Galletti Way, Sparks, NV, 89431
Phone (775) 688-2001
Fax (775) 688-2192
Enumeration date Jul 31, 2006
Last updated in NPPES Jul 8, 2007
Taxonomy & licenses
PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice.
About the PSYD 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 James Diss?
The National Provider Identifier (NPI) for James Diss is 1811903180, a Type 1 (individual) record in the CMS NPPES registry.
Where does James Diss practice?
The practice location on file with NPPES is in Sparks, NV. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → State of Nevada Psychiatric Hospital · Sparks, NV NPI 1972501021 Dawn Elton Physician Assistant · Sparks, NV NPI 1639122146 George Sandrock Psychiatric/Mental Health Nurse Practitioner · Sparks, NV NPI 1750336905 J Byrne Psychiatric/Mental Health Registered Nurse · Sparks, NV NPI 1205864907 Grant Lee Psychiatry Physician · Sparks, NV NPI 1962413294 Bernadette Allen Psychologist · Sparks, NV NPI 1548271703 Yixiang Chen Psychiatry Physician · Sparks, NV NPI 1295815496 Lori Bescup Clinical Social Worker · Sparks, NV NPI 1629158712
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.