Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Mr. Gregory Thomas O'Neal, M.S., D.M.H.P
Counselor in Longview, WA · enumerated 2010.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1265752687
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Registry record
Entity type Individual (Type 1)
Name Mr. Gregory Thomas O'Neal
Credential M.S., D.M.H.P
Sex Male
Practice address 921 14th Avenue, Longview, WA, 98632
Phone (360) 423-0203
Fax (360) 423-2311
Enumeration date Jun 8, 2010
Last updated in NPPES Feb 4, 2019
Taxonomy & licenses
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 2097922 | 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
Where does Gregory O'Neal practice?
The practice location on file with NPPES is in Longview, WA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Gregory O'Neal?
The National Provider Identifier (NPI) for Gregory O'Neal is 1265752687, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-02-04.