What is Robyn Tollefson's NPI number?

Robyn Tollefson's National Provider Identifier (NPI) is 1669335774, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Robyn Tollefson's specialty?

Robyn Tollefson is listed in the NPPES registry with a primary specialty of Behavior Analyst (Behavioral Health & Social Service Providers).

Where is Robyn Tollefson located?

Robyn Tollefson's practice location on file with NPPES is 1649 61st St, Brooklyn, NY 11204-2746.

What is Robyn Tollefson's phone number?

The practice phone number listed in the NPPES registry for Robyn Tollefson is (212) 481-4040.

Is Robyn Tollefson's NPI active?

Yes — Robyn Tollefson's NPI (1669335774) is active in the NPPES registry as of the last update on 2026-03-17.

IndividualActive

Robyn Tollefson

NPI 1669335774 · Behavior Analyst · Brooklyn, NY

Robyn Tollefson is a Behavior Analyst provider in Brooklyn, NY (NPI 1669335774).

Provider details

NPI number: 1669335774
Entity type: Individual
Primary specialty: Behavior AnalystBehavioral Health & Social Service Providers
Sex: Female
Sole proprietor: Yes

Specialties & taxonomies

Behavior AnalystPrimary103K00000X
Behavioral Health & Social Service Providers
Behavior Technician106S00000X
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

1649 61st St

Brooklyn, NY 11204-2746

Phone: (212) 481-4040

Street-level locationGet directions

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Mailing address