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

Tess Gelderloos, MA, BCBALBA

Individual provider Behavior Analyst · NPI 1144626342

Tess Gelderloos, MA, BCBALBA is a Behavior Analyst in Great Falls, Montana. Licensed in Montana. Registered with an NPI since 2014.

Licensed in
MT
In the registry since
2014
What do these letters mean?
MA — Master of Arts
A graduate arts degree.

See every abbreviation used in this directory →

Practice location Address checks out

1601 2nd Ave N Ste 700
Great Falls, MT 59401-3288
Phone: (406) 205-0452
Fax: (406) 545-2276
Show map & directions

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

Specialties & licences

Behavior Analyst (primary) Taxonomy 103K00000X · Licence 1-14-16072 (MT)

Record details

NPI number1144626342
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , BCBALBA
Sole proprietorNo
NPI enumeratedNovember 15, 2014
Last updated in NPPESFebruary 9, 2026
Certification dateFebruary 9, 2026

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