What is Peter Stewart's NPI number?

Peter Stewart's National Provider Identifier (NPI) is 1255356739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Peter Stewart's specialty?

Peter Stewart is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).

Where is Peter Stewart located?

Peter Stewart's practice location on file with NPPES is 750 George Washington Way, Richland, WA 99352-4247.

What is Peter Stewart's phone number?

The practice phone number listed in the NPPES registry for Peter Stewart is (509) 946-5515.

Is Peter Stewart's NPI active?

Yes — Peter Stewart's NPI (1255356739) is active in the NPPES registry as of the last update on 2009-01-08.

IndividualActive

Peter Stewart, PH.D.

NPI 1255356739 · Counselor · Richland, WA

Peter Stewart, PH.D. is a Counselor provider in Richland, WA (NPI 1255356739).

Provider details

NPI number: 1255356739
Entity type: Individual
Primary specialty: CounselorBehavioral Health & Social Service Providers
Credential: PH.D.
Sex: Male
Sole proprietor: No
License: RC60034664 (WA)

Practice location

750 George Washington Way

Suite 7

Richland, WA 99352-4247

Phone: (509) 946-5515

Fax: (509) 946-8519

Street-level locationGet directions

More WA providers

Mailing address

750 George Washington Way

Richland, WA 99352-4247

Specialties & taxonomies

CounselorPrimary101Y00000XLicense RC60034664 (WA)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Enumerated: 2006-07-13
Last updated: 2009-01-08

Frequently asked questions

What is Peter Stewart's NPI number?: Peter Stewart's National Provider Identifier (NPI) is 1255356739, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Peter Stewart's specialty?: Peter Stewart is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
Where is Peter Stewart located?: Peter Stewart's practice location on file with NPPES is 750 George Washington Way, Richland, WA 99352-4247.
What is Peter Stewart's phone number?: The practice phone number listed in the NPPES registry for Peter Stewart is (509) 946-5515.
Is Peter Stewart's NPI active?: Yes — Peter Stewart's NPI (1255356739) is active in the NPPES registry as of the last update on 2009-01-08.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions