OrganizationActive
Sack Chiropractic PC
NPI 1538340518 · Chiropractor · Spearfish, SD
Sack Chiropractic PC is a Chiropractor organization in Spearfish, SD (NPI 1538340518).
Provider details
- NPI number
- 1538340518
- Entity type
- Organization
- Primary specialty
- ChiropractorChiropractic Providers
- Organization subpart
- No
- Authorized official
- Michael Sack, President(605) 644-1111
- License
- 588 (SD)
Specialties & taxonomies
Chiropractic Providers
Profile Score
Detailed profile(88/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
144 N Main St
Spearfish, SD 57783-2754
Phone: (605) 644-1111
Fax: (605) 644-1234
Street-level locationGet directions
Mailing address
144 N Main St
Spearfish, SD 57783-2754
Registry dates
- Enumerated
- 2007-11-19
- Last updated
- 2014-09-17
Frequently asked questions
- What is Sack Chiropractic PC's NPI number?
- Sack Chiropractic PC's National Provider Identifier (NPI) is 1538340518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Sack Chiropractic PC?
- Sack Chiropractic PC is classified in the NPPES registry as Chiropractor (Chiropractic Providers).
- Where is Sack Chiropractic PC located?
- Sack Chiropractic PC's practice location on file with NPPES is 144 N Main St, Spearfish, SD 57783-2754.
- What is Sack Chiropractic PC's phone number?
- The practice phone number listed in the NPPES registry for Sack Chiropractic PC is (605) 644-1111.
- Who is the authorized official for Sack Chiropractic PC?
- The authorized official listed on Sack Chiropractic PC's NPPES record is Michael Sack, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Sack Chiropractic PC's NPI active?
- Yes — Sack Chiropractic PC's NPI (1538340518) is active in the NPPES registry as of the last update on 2014-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.