Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

TIFFANI OLENIK LCSW
NPI 1033616800
Social Worker - Clinical in Norwalk, CT

Active since April 09, 2018
100 EAST AVE, NORWALK, CT 06851(203) 494-7811 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 14, 2026, Mar 15, 2021, Apr 9, 2018 (3 updates tracked since 2018).

About Tiffani Olenik Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIFFANI OLENIK LCSW (NPI 1033616800) is an individual clinical provider in Norwalk, Connecticut, licensed in Connecticut (010319) and active in the NPI registry since April 2018.

NPPES Registry Identity

NPI1033616800
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameTIFFANI OLENIKCredential: LCSW
Location Address100 EAST AVENorwalk, CT 06851-5010
Mailing Address226 Pinesbridge RdMillwood, NY 10546-1131 · (914) 941-5185
Sole ProprietorNo
Enumeration DateApril 9, 2018
Last NPPES UpdateJuly 14, 20263 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
NPI 1033616800 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses Licensed in CT · 010319 Licensed in NY · 087173-01
Definition

A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

100 EAST AVE, Norwalk, CT 06851

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Marriage & Family Therapist
100 EAST AVE
NORWALK, CT 06851
Social Worker (Clinical)
100 EAST AVE
NORWALK, CT 06851
Social Worker (Clinical)
100 EAST AVE
NORWALK, CT 06851
Social Worker
100 EAST AVE
NORWALK, CT 06851
Counselor (Mental Health)
100 EAST AVE
NORWALK, CT 06851
Social Worker
100 EAST AVE
NORWALK, CT 06851
Marriage & Family Therapist
100 EAST AVE
NORWALK, CT 06851
Nurse Practitioner (Psychiatric/Mental Health)
100 EAST AVE
NORWALK, CT 06851

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tiffani Olenik's NPI number?

The NPI number for Tiffani Olenik is 1033616800. It was assigned to this individual provider in the NPPES registry on April 9, 2018.

Where is Tiffani Olenik located?

Tiffani Olenik practices at 100 East Ave, Norwalk, CT 06851. The listed phone number is (203) 494-7811.

What is Tiffani Olenik's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Tiffani Olenik was last updated on July 14, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.