Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Crystal Mae Diaz
Peer Specialist in Portland, OR · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942187356
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Registry record
Entity type Individual (Type 1)
Name Crystal Mae Diaz
Sex Female
Practice address 80 Se Madison St Ste 210, Portland, OR, 97214
Phone (503) 420-7820
Enumeration date Aug 18, 2025
Last updated in NPPES Aug 18, 2025
Taxonomy & licenses
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 specialty is Crystal Diaz?
Crystal Diaz is registered in NPPES with the primary taxonomy of Peer Specialist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
Other providers at this practice address
Browse all → Isabelle Strauss-Riggs Peer Specialist · Portland, OR NPI 1861280695 David Unitan Addiction (Substance Use Disorder) Counselor · Portland, OR NPI 1649166067 Paul Evers Peer Specialist · Portland, OR NPI 1588550404 Abigaihtd Lozano Peer Specialist · Portland, OR NPI 1316833049 Joseph Russell Peer Specialist · Portland, OR NPI 1447147657 Tanya Fitzhugh Peer Specialist · Portland, OR NPI 1528940640 Jeffery Taylor Peer Specialist · Portland, OR NPI 1780561191 Tiffany Grigg Peer Specialist · Portland, OR NPI 1205715679
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-18.