Carroll Institute in Sioux Falls, SD
This location of Carroll Institute bills under NPI 1952446411, an organization record issued on Feb 21, 2007 with the primary taxonomy Substance Abuse Rehabilitation Facility. It is one of 2 NPIs registered under this name and one of 2 in Sioux Falls; each clinician who sees you there has their own NPI and license.
- Legal name
- Carroll Institute
- Entity
- Type 2 · organization
- Primary taxonomy
- Substance Abuse Rehabilitation Facility 324500000X
- Practice location
- 310 S 1ST AVE, Sioux Falls, SD 57104
- Phone
- 605-336-2556
- Enumerated
- Feb 21, 2007
- Record updated
- Aug 22, 2020
- Authorized official
- Executive Director (title as filed)
The other Sioux Falls NPI
- Carroll Institute5625 S SOUTHEASTERN AVE · issued May 22, 20171255868220
2 clinicians CMS lists with Carroll Institute in Sioux Falls
- Gretchen Hartmann, LMFTMarriage & Family Therapist1588092084
- Alyssa Mendel, LPCCounselor1023853165
Source: CMS Doctors and Clinicians group affiliations, matched by practice name and city.
Checking an organization
- Confirm the business with the South Dakota secretary of state.
- Check the HHS-OIG exclusion list for the organization.
- Verify each clinician on their own record and the state license search.
Common questions
Is an organization NPI a license?
No. An NPI identifies who bills. Facilities and the clinicians who work there are licensed separately by the state.
Which Sioux Falls NPI should I use?
Ask the office which NPI it bills under; all 2 Sioux Falls NPIs are registered under the same name.
Source: CMS National Plan and Provider Enumeration System (NPPES), monthly file of Aug 9, 2026 (NPPES files on CMS.gov). An NPI identifies who bills; it is not a license.