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

Mr. David Justin O'Neal, MS, AAC

Individual provider Mental Health Counselor · NPI 1811036197

Mr. David Justin O'Neal, MS, AAC is a Mental Health Counselor in Seattle, Washington. Qualified in 1993, 33 years ago. Licensed in Washington.

Years since qualifying
33
Licensed in
WA
In the registry since
2007
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

1600 E Olive St Seattle Mental Health
Seattle, WA 98122-2735
Phone: (206) 302-2200
Fax: (206) 302-2210
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence CG60161005 (WA)
Counselor Taxonomy 101Y00000X · Licence CG60161005 (WA)

Record details

NPI number1811036197
Entity typeIndividual (Type 1)
GenderMale
Credentials MS , AAC
Sole proprietorNo
NPI enumeratedFebruary 5, 2007
Last updated in NPPESAugust 25, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyMENTAL HEALTH COUNSELOR
Medical schoolOTHER
Graduated 1993 (33 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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