Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. John Arnold, PHD
Clinical Psychologist in Chelan, WA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1881661858
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Registry record
Entity type Individual (Type 1)
Name Mr. John Arnold
Credential PHD
Sex Male
Practice address 105 S Apple Blossom Dr, Chelan, WA, 98816
Phone (509) 682-6000
Enumeration date Mar 8, 2006
Last updated in NPPES Feb 4, 2021
Taxonomy & licenses
103TB0200X Cognitive & Behavioral Psychologist Behavioral Health & Social Service Providers · License PY00002376 (WA) Secondary
103TC0700X Clinical Psychologist Behavioral Health & Social Service Providers · License PY00002376 (WA) Primary
PHD · Doctor of Philosophy: A doctoral degree; in healthcare often held by clinical psychologists and researchers.
About the PHD credential
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 7098213 | Medicaid | WA | - |
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 Arnold?
The National Provider Identifier (NPI) for John Arnold is 1881661858, a Type 1 (individual) record in the CMS NPPES registry.
Where does John Arnold practice?
The practice location on file with NPPES is in Chelan, WA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Charles Waszkewitz Family Medicine Physician · Chelan, WA NPI 1780657338 Aura Sanderson Medical Physician Assistant · Chelan, WA NPI 1508896879 Columbia Valley Community Health Federally Qualified Health Center (FQHC) · Chelan, WA NPI 1356374698 Tobe Harberd Family Medicine Physician · Chelan, WA NPI 1629158019 Jason Doten General Practice Dentistry · Chelan, WA NPI 1235255761 Barbara Brink Marriage & Family Therapist · Chelan, WA NPI 1619124757 Jennifer Snyder Family Medicine Physician · Chelan, WA NPI 1548588064 Raphael Mprah Psychiatric/Mental Health Nurse Practitioner · Chelan, WA NPI 1013206838
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-04.