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

Grant William Demuth

Individual provider Behavior Analyst · NPI 1619838919

Grant William Demuth is a Behavior Analyst in Longmont, Colorado. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

1823 Sunset Pl Ste C
Longmont, CO 80501-6544
Phone: (720) 449-6676
Show map & directions

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

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X

Record details

NPI number1619838919
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 18, 2025
Last updated in NPPESNovember 18, 2025
Certification dateNovember 18, 2025
Mailing address1823 Sunset Pl Ste C, Longmont, CO 80501-6544

Other providers in Longmont