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

Dr. Lindell Lewis Gumper, JD, PHD

Individual provider Clinical Psychologist · NPI 1093801300

Dr. Lindell Lewis Gumper, JD, PHD is a Clinical Psychologist in Billings, Montana. Licensed in Montana. Registered with an NPI since 2006.

Licensed in
MT
In the registry since
2006
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

303 N Broadway Ste 822
Billings, MT 59101
Phone: (406) 446-4422
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 146 (MT)

Record details

NPI number1093801300
Entity typeIndividual (Type 1)
GenderMale
Credentials JD , PHD
Sole proprietorNo
NPI enumeratedOctober 5, 2006
Last updated in NPPESJuly 8, 2007

Other providers in Billings