Registry data as of Aug 27, 2026

Caitlyn Slack

Clinical Social Worker · Sioux Falls, SD

Caitlyn Slack is a clinical social worker with a practice address in Sioux Falls, South Dakota, and NPI 1164095592, issued on Jul 22, 2021. Check the license (South Dakota 5214, as entered in NPPES) with the South Dakota board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, loaded Aug 27, 2026 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1164095592
Name
Caitlyn Slack
Primary taxonomy
Clinical Social Worker 1041C0700X
License number
5214 SD
Self-reported in NPPES; status is on the state search
Practice location
705 E 41St St, Sioux Falls, SD 57105
Phone
(605) 444-7643
Enumerated
Jul 22, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 705 E 41St St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah Alexander, LICSWClinical Social Worker1457390338
  2. Brandi Brintnall, LPCCounselor1649570417
  3. Megan Grode Wolters, CSW-PIPSocial Worker1407391683
  4. Benjamin Kohls, LPCCounselor1619285012
  5. Jennifer Lunder, CSWSocial Worker1679052492
  6. Chad Nielsen, LACAddiction (Substance Use Disorder) Counselor1316366255

Verify Caitlyn Slack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
    Search for license 5214
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the South Dakota license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

215 clinical social worker records list a Sioux Falls practice address

They are 215 of the 6,563 NPPES records with a Sioux Falls practice address, and 509 clinical social worker records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other clinical social worker records in South Dakota

  1. Jesse Abernathy, CSWLower Brule, SD1992639694
  2. Joann Adney, MSW LCSW PIPSioux Falls, SD1679650311
  3. Sarah Alexander, LICSWSioux Falls, SD1457390338
  4. Randy Allen, LCSW-PIP, QMHPRapid City, SD1710011903
  5. Lynn Amdahl, MSWWatertown, SD1720073570
  6. Erik Anderson, MSW, LCSWSioux Falls, SD1932539145
  7. Jamie Anderson, CSWWagner, SD1245122985
  8. Katelyn Anderson, MSW, CSW-PIP, QMHPYankton, SD1609446319
  9. Kristy Anderson, CSWSioux Falls, SD1760727697
  10. Stacey Anderson, CSW-PIPRapid City, SD1508523150

Common questions

What is Caitlyn Slack's NPI number?

Caitlyn Slack's National Provider Identifier (NPI) is 1164095592, issued on Jul 22, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Caitlyn Slack located?

The NPPES record lists a practice address at 705 E 41St St, Sioux Falls, SD, 57105. Phone: (605) 444-7643. Providers update this record themselves, so call before visiting.

How can I verify Caitlyn Slack's license?

NPPES lists South Dakota license number 5214, as entered by the provider. Search the South Dakota board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.