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SETH TUMBLESON SWC
NPI 1649168592
Social Worker - Clinical in Littleton, CO

Active since June 26, 2025
7780 S BROADWAY STE 300, LITTLETON, CO 80122(970) 310-3406(888) 965-4615 Get Directions Write a Review

NPPES record last updated: June 2, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jun 2, 2026, Jun 26, 2025 (2 updates tracked since 2025).

About Seth Tumbleson Swc NPPES

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

SETH TUMBLESON SWC (NPI 1649168592) is an individual clinical provider in Littleton, Colorado, licensed in Colorado (SWC.0000002510) and active in the NPI registry since June 2025. He maintains 2 additional practice locations.

NPPES Registry Identity

NPI1649168592
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameSETH TUMBLESONCredential: SWC
Location Address7780 S BROADWAY STE 300Littleton, CO 80122-2633
Mailing Address7780 S Broadway Ste 300Littleton, CO 80122-2633 · (970) 310-3406 · Fax (888) 965-4615
Phone(970) 310-3406
Fax(888) 965-4615
Sole ProprietorYes
Enumeration DateJune 26, 2025
Last NPPES UpdateJune 2, 20262 updates tracked since enumeration
NPPES CertifiedJune 2, 2026
✔ NPI 1649168592 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CO · SWC.0000002510
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.
Also ListedSocial WorkerTaxonomy 104100000X · License SWC.0000002510 (CO)
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
7780 S BROADWAY STE 300, Littleton, CO 80122
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Secondary Practice Locations 2

Location 12260 W Trilby RdFort Collins, CO 80526-9650 · Phone (970) 494-4200
Location 23521 Stanford Rd Apt 315Fort Collins, CO 80525-4082 · Phone (970) 430-6161

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.

HEART CENTERED COUNSELING, PC
Counselor (Mental Health)
7780 S BROADWAY STE 300
LITTLETON, CO 80122
Arapahoe County (970) 310-3406
SOPHIA JACOB ATWOOD LPC
Counselor (Professional)
7780 S BROADWAY STE 300
LITTLETON, CO 80122
Arapahoe County (970) 310-3406
DR. VANESSA GENE WILLIAMS PH.D.
Psychologist (Clinical)
7780 S BROADWAY STE 300
LITTLETON, CO 80122
Arapahoe County (970) 310-3406
PATRICIA FAYE TREFT LPC
Counselor (Professional)
7780 S BROADWAY STE 300
LITTLETON, CO 80122
Arapahoe County (970) 852-4801
DR. REBECCA RUTH MOORE M.D.
Psychiatry & Neurology (Psychiatry)
7780 S BROADWAY STE 300
LITTLETON, CO 80122
Arapahoe County (720) 902-6747
JEFFREY ADAMS LPC, LAC
Counselor (Professional)
7780 S BROADWAY STE 300
LITTLETON, CO 80122
Arapahoe County (970) 310-3406
CAROLINE SULLIVAN LPC
Counselor (Professional)
7780 S BROADWAY STE 300
LITTLETON, CO 80122
Arapahoe County (720) 902-6747
CHELSEA TURNER LPC
Counselor (Professional)
7780 S BROADWAY STE 300
LITTLETON, CO 80122
Arapahoe County (970) 310-3406

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 Seth Tumbleson's NPI number?

The NPI number for Seth Tumbleson is 1649168592. It was assigned to this individual provider in the NPPES registry on June 26, 2025.

Where is Seth Tumbleson located?

Seth Tumbleson practices at 7780 S Broadway Ste 300, Littleton, CO 80122. The listed phone number is (970) 310-3406.

What is Seth Tumbleson'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 Seth Tumbleson was last updated on June 2, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.