Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NESTED AND KNOWN, PLLC
NPI 1619814126
Social Worker - Clinical in Waco, TX

Active since May 01, 2026
4209 W WACO DR, WACO, TX 76710(254) 400-2360 Get Directions Write a Review

NPPES record last updated: August 22, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 22, 2026, May 1, 2026 (2 updates tracked since 2026).

About Nested And Known, Pllc NPPES

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

NESTED AND KNOWN, PLLC (NPI 1619814126) is a healthcare organization registered as a clinical in Waco, Texas and active in the NPI registry since May 2026. The organization lists Lindsey Crelia, Owner / Therapist, as its authorized official.

NPPES Registry Identity

NPI1619814126
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameNESTED AND KNOWN, PLLC
Location Address4209 W WACO DRWaco, TX 76710-7111
Mailing Address4209 W Waco Dr Ste 6Waco, TX 76710-7111 · (254) 400-2360
Organization SubpartNo
Authorized OfficialLindsey CreliaOwner / Therapist · (254) 722-9199
Enumeration DateMay 1, 2026
Last NPPES UpdateAugust 22, 20262 updates tracked since enumeration
NPPES CertifiedAugust 22, 2026
NPI 1619814126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
4209 W WACO DR, Waco, TX 76710

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 2

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

Counselor (Professional)
4209 W WACO DR
WACO, TX 76710
Physical Therapist
4209 W WACO DR
WACO, TX 76710

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 Nested And Known, PLLC's NPI number?

The NPI number for Nested And Known, PLLC is 1619814126. It was assigned to this organization in the NPPES registry on May 1, 2026.

Where is Nested And Known, PLLC located?

Nested And Known, PLLC is located at 4209 W Waco Dr, Waco, TX 76710. The listed phone number is (254) 400-2360.

What is Nested And Known, PLLC'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 Nested And Known, PLLC was last updated on August 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.