Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Seth Tumbleson, SWC

Individual provider Clinical Social Worker · NPI 1649168592

Seth Tumbleson, SWC is a Clinical Social Worker in Littleton, Colorado. Practices as a sole proprietor and works from 3 locations. Licensed in Colorado.

Licensed in
CO
In the registry since
2025
Specialties on file
3
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Practice location Address checks out

7780 S Broadway Ste 300
Littleton, CO 80122-2633
Phone: (970) 310-3406
Fax: (888) 965-4615
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 3521 Stanford Rd Apt 315, Fort Collins, CO 80525-4082 — (970) 430-6161
  • 2260 W Trilby Rd, Fort Collins, CO 80526-9650 — (970) 494-4200

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence SWC.0000002510 (CO)
Social Worker Taxonomy 104100000X · Licence SWC.0000002510 (CO)
Case Manager/Care Coordinator Taxonomy 171M00000X

Record details

NPI number1649168592
Entity typeIndividual (Type 1)
GenderMale
Credentials SWC
Sole proprietorYes
NPI enumeratedJune 26, 2025
Last updated in NPPESJune 2, 2026
Certification dateJune 2, 2026
Mailing address7780 S Broadway Ste 300, Littleton, CO 80122-2633

Other providers in Littleton