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

Alyssa Fieseler, LCSW

Individual provider Clinical Social Worker · NPI 1457902835

Alyssa Fieseler, LCSW is a Clinical Social Worker in Littleton, Colorado. Licensed in Colorado. Registered with an NPI since 2019.

Licensed in
CO
In the registry since
2019
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

5911 Middlefield Rd Ste 100
Littleton, CO 80123-2893
Phone: (630) 624-1080
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence CSW.09925507 (CO)

Record details

NPI number1457902835
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedSeptember 26, 2019
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026

Other providers in Littleton