Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mark Charles Duris, PH.D.
Clinical Psychologist in Tacoma, WA · enumerated 2008.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437322096
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Registry record
Entity type Individual (Type 1)
Name Mark Charles Duris
Credential PH.D.
Sex Male
Practice address 9040 Reid St # A, Tacoma, WA, 98431
Phone (253) 968-3162
Fax (253) 968-3278
Enumeration date Apr 3, 2008
Last updated in NPPES Apr 3, 2008
Taxonomy & licenses
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PY00003723 (WA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD 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 Mark Duris?
The National Provider Identifier (NPI) for Mark Duris is 1437322096, a Type 1 (individual) record in the CMS NPPES registry.
Where does Mark Duris practice?
The practice location on file with NPPES is in Tacoma, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Sandra Kwan Family Medicine Physician · Joint Base Lewis Mcchord, WA NPI 1013972371 Kenneth Hyde Medical Physician Assistant · Joint Base Lewis Mcchord, WA NPI 1164503264 Bill Crowell Medical Physician Assistant · Tacoma, WA NPI 1538331798 David Luxton Clinical Psychologist · Tacoma, WA NPI 1326376732 Erica Orthman Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist · Joint Base Lewis Mcchord, WA NPI 1497069710 Arlene Ybarra Medical Physician Assistant · Joint Base Lewis Mcchord, WA NPI 1255616678
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-04-03.