What is Sylvia Winn's NPI number?

Sylvia Winn's National Provider Identifier (NPI) is 1346104270, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Sylvia Winn's specialty?

Sylvia Winn is listed in the NPPES registry with a primary specialty of Behavior Technician (Behavioral Health & Social Service Providers).

Where is Sylvia Winn located?

Sylvia Winn's practice location on file with NPPES is 400 Concar Dr Ste 4-134, San Mateo, CA 94402-2681.

What is Sylvia Winn's phone number?

The practice phone number listed in the NPPES registry for Sylvia Winn is (650) 931-6300.

Is Sylvia Winn's NPI active?

Yes — Sylvia Winn's NPI (1346104270) is active in the NPPES registry as of the last update on 2025-12-15.

IndividualActive

Sylvia Winn

NPI 1346104270 · Behavior Technician · San Mateo, CA

Sylvia Winn is a Behavior Technician provider in San Mateo, CA (NPI 1346104270).

Provider details

NPI number: 1346104270
Entity type: Individual
Primary specialty: Behavior TechnicianBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: No

Specialties & taxonomies

Behavior TechnicianPrimary106S00000X
Behavioral Health & Social Service Providers

Profile Score

Basic profile(47/100 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
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

400 Concar Dr Ste 4-134

San Mateo, CA 94402-2681

Phone: (650) 931-6300

Street-level locationGet directions

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Mailing address