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MR. DAVID JUSTIN O'NEAL MS, AAC
NPI 1811036197
Counselor - Mental Health in Seattle, WA

Active since February 05, 2007PECOS Enrolled
1600 E OLIVE ST, SEATTLE MENTAL HEALTH, SEATTLE, WA 98122(206) 302-2200(206) 302-2210 Get Directions Write a Review

NPPES record last updated: August 25, 2013. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Mr. David Justin O'neal Ms, Aac NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. DAVID JUSTIN O'NEAL MS, AAC (NPI 1811036197) is an individual mental health provider in Seattle, Washington, licensed in Washington (CG60161005) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1993).

NPPES Registry Identity

NPI1811036197
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. DAVID JUSTIN O'NEALCredential: MS, AAC
Location Address1600 E OLIVE ST, SEATTLE MENTAL HEALTHSeattle, WA 98122-2735
Mailing Address1600 E Olive St, Seattle Mental HealthSeattle, WA 98122-2735 · (206) 302-2200 · Fax (206) 302-2210
Phone(206) 302-2200
Fax(206) 302-2210
Sole ProprietorNo
Medical School CMSOtherGraduated 1993
Enumeration DateFebruary 5, 2007
Last NPPES UpdateAugust 25, 2013
✔ NPI 1811036197 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in WA · CG60161005
Also ListedCounselorTaxonomy 101Y00000X · License CG60161005 (WA)
1600 E OLIVE ST, Seattle, WA 98122
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. David Justin O'neal Ms, Aac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6204313729
PECOS Enrollment IDI20260127001225
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show David O'neal reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Sound
11 mi
Mental Health (Including Community Mental Health Center)
6400 SOUTHCENTER BLVD
Tukwila, WA 98188
  • Reassigned Medicare billing, Washington enrollment
  • 103 clinicians in this Medicare group
NPI 1780774950 (206) 901-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS LUCY P SPIRO RC
Student in an Organized Health Care Education/Training Program
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
JAMES ELI SAAD BA, RC
Counselor (Professional)
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
MS. BRENDA LYNNE' MILLER-SERMENO M.A, MHP
Counselor (Mental Health)
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
MR. RICHARD WILLIAM IRWIN AAS, CDP
Counselor (Addiction (Substance Use Disorder))
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
DR. BROOKE D KATZ ARNP
Nurse Practitioner (Psychiatric/Mental Health)
1600 E OLIVE ST
SEATTLE, WA 98122
King County (206) 302-2800
MISS MARBIE GUACEN DESCATAMIENTO BA, CDPT, AAC
Counselor (Mental Health)
1600 E OLIVE ST, SOUND MENTAL HEALTH
SEATTLE, WA 98122
King County (206) 302-2200
MS. SARAH C SAWYER
Counselor (Mental Health)
1600 E OLIVE ST
SEATTLE, WA 98122
King County (206) 302-2200
SHELLEY LYNN NIXON SHEPHERD RN, BSN
Registered Nurse
1600 E OLIVE ST
SEATTLE, WA 98122
King County (206) 901-2000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David O'neal's NPI number?

The NPI number for David O'neal is 1811036197. It was assigned to this individual provider in the NPPES registry on February 5, 2007.

Where is David O'neal located?

David O'neal practices at 1600 E Olive St Seattle Mental Health, Seattle, WA 98122. The listed phone number is (206) 302-2200.

What is David O'neal's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is David O'neal enrolled in Medicare?

Yes. David O'neal is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for David O'neal's services?

According to the CMS Revalidation Reassignment List (October 2026 release), David O'neal reassigns Medicare benefits to Sound (Tukwila, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for David O'neal's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for David O'neal was last updated on August 25, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.