What is Stephany Winston's NPI number?

Stephany Winston's National Provider Identifier (NPI) is 1659200673, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Stephany Winston's specialty?

Stephany Winston is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).

Where is Stephany Winston located?

Stephany Winston's practice location on file with NPPES is 2261 S Watney Way, Fairfield, CA 94533-6757.

What is Stephany Winston's phone number?

The practice phone number listed in the NPPES registry for Stephany Winston is (707) 344-9295.

Is Stephany Winston's NPI active?

Yes — Stephany Winston's NPI (1659200673) is active in the NPPES registry as of the last update on 2026-05-15.

IndividualActive

Stephany Winston, MPSS-CVFXLS

NPI 1659200673 · Peer Specialist · Fairfield, CA

Stephany Winston, MPSS-CVFXLS is a Peer Specialist provider in Fairfield, CA (NPI 1659200673).

Provider details

NPI number: 1659200673
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Credential: MPSS-CVFXLS
Sex: Female
Sole proprietor: No
License: MPSS-CVFXLS (CA)

Specialties & taxonomies

Peer SpecialistPrimary175T00000XLicense MPSS-CVFXLS (CA)
Other Service Providers

Profile Score

Established profile(52/100 index)

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

Registry tenure38% of score
Under 1 yr in 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.

Practice location

2261 S Watney Way

Fairfield, CA 94533-6757

Phone: (707) 344-9295

Street-level locationGet directions

More CA providers

Mailing address