Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Mr. Gregory Thomas O'Neal, MS, DMHP

Individual provider Counselor · NPI 1265752687

Mr. Gregory Thomas O'Neal, MS, DMHP is a Counselor in Longview, Washington. Licensed in Washington. Registered with an NPI since 2010.

Licensed in
WA
In the registry since
2010
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

921 14th Ave
Longview, WA 98632
Phone: (360) 423-0203
Fax: (360) 423-2311
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence 60158319 (WA)

Record details

NPI number1265752687
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , DMHP
Sole proprietorNo
NPI enumeratedJune 8, 2010
Last updated in NPPESFebruary 4, 2019

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