What is Steven Zweifach's NPI number?

Steven Zweifach's National Provider Identifier (NPI) is 1023802881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Steven Zweifach's specialty?

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

Where is Steven Zweifach located?

Steven Zweifach's practice location on file with NPPES is 16225 Ne 87th St, Redmond, WA 98052-3536.

What is Steven Zweifach's phone number?

The practice phone number listed in the NPPES registry for Steven Zweifach is (206) 901-2000.

Is Steven Zweifach's NPI active?

Yes — Steven Zweifach's NPI (1023802881) is active in the NPPES registry as of the last update on 2025-04-07.

IndividualActive

Steven Zweifach

NPI 1023802881 · Counselor · Redmond, WA

Steven Zweifach is a Counselor provider in Redmond, WA (NPI 1023802881).

Provider details

NPI number: 1023802881
Entity type: Individual
Primary specialty: CounselorBehavioral Health & Social Service Providers
Sex: Male
Sole proprietor: No

Specialties & taxonomies

CounselorPrimary101Y00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(48/100 index)

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

Registry tenure38% of score
1 yr in NPPES registry
Profile completeness38% of score
83% 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.

Practice location

16225 Ne 87th St

Redmond, WA 98052-3536

Phone: (206) 901-2000

Street-level locationGet directions

More WA providers

Mailing address