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

Mark Bontreger Inc

Organization Clinical Psychologist · NPI 1942496047

Mark Bontreger Inc is a Clinical Psychologist in Watertown, South Dakota. Licensed in South Dakota. Registered with an NPI since 2007.

Licensed in
SD
In the registry since
2007
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

525 5th St SE Ste L-13
Watertown, SD 57201-4940
Phone: (605) 882-0800
Fax: (605) 882-0861
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 364 (SD)

Record details

NPI number1942496047
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Mark Bontreger — President · (605) 882-0800
NPI enumeratedSeptember 21, 2007
Last updated in NPPESJune 24, 2011
Mailing address525 5th St Se, Suite L-13, Watertown, SD 57201-4940

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