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

Dr. Michael P Sack, DC

Individual provider Chiropractor · NPI 1639100076

Dr. Michael P Sack, DC is a Chiropractor in Spearfish, South Dakota. Licensed in South Dakota. Registered with an NPI since 2006.

Licensed in
SD
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

See every abbreviation used in this directory →

Practice location Address checks out

144 N Main St
Spearfish, SD 57783-2754
Phone: (605) 644-1111
Fax: (605) 644-1234
Show map & directions

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

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 588 (SD)

Record details

NPI number1639100076
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedJuly 5, 2006
Last updated in NPPESAugust 25, 2014
Mailing address144 N Main St, Spearfish, SD 57783-2754

Other providers in Spearfish