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

MS. Dianne S. Heynen, MS, QMHP, LPC-MH

Individual provider Mental Health Counselor · NPI 1699856997

MS. Dianne S. Heynen, MS, QMHP, LPC-MH is a Mental Health Counselor in Sioux Falls, South Dakota. Practices as a sole proprietor. Licensed in South Dakota.

Licensed in
SD
In the registry since
2006
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

2701 S Minnesota Ave
Sioux Falls, SD 57105-4744
Phone: (605) 360-2613
Fax: (605) 339-0710
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence LPCMH2048 (SD)

Record details

NPI number1699856997
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS , QMHP , LPC-MH
Sole proprietorYes
NPI enumeratedOctober 17, 2006
Last updated in NPPESJuly 9, 2007

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