NPPES file of Aug 9, 2026

Mari Mehlbrech, LCSW

Social Worker · Sioux Falls, SD

Mari Mehlbrech, LCSW is a social worker with a practice address in Sioux Falls, South Dakota, and NPI 1205603156, issued on Dec 11, 2023. Check the license (South Dakota 6421, 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, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1205603156
Name
Mari Mehlbrech
Credential
LCSW
Primary taxonomy
Social Worker 104100000X
License number
6421 SD
Self-reported in NPPES; status is on the state search
Practice location
315 N Main Ave Ste 309, Sioux Falls, SD 57104
Phone
(605) 368-1610
Enumerated
Dec 11, 2023
Record last updated
Dec 11, 2023
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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Verify Mari Mehlbrech 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 6421
    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.

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90 social worker records list a practice address in Sioux Falls

They are 90 of the 6,563 NPPES records with a practice address in Sioux Falls, and 234 social worker records in South Dakota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

Other social worker records in South Dakota

  1. Sarah Adam, CSW, QMHPRapid City, SD1477092583
  2. Sarah Alexander, LICSWSioux Falls, SD1457390338
  3. Danene AndersonYankton, SD1821487901
  4. Elycia AndersonWatertown, SD1740041433
  5. Samson Anderson, CSWRapid City, SD1265003115
  6. Lavonne Appletoft, MS LSWAberdeen, SD1205911104
  7. Mary ArtichokerRapid City, SD1164201042
  8. Lesley Atkins, MSW, CSW-PIPBurke, SD1003438110
  9. Heather Bailey, MSW, CSWSioux Falls, SD1710388756
  10. Kennen Barber-Ensz, LCSWSioux Falls, SD1093685067

Common questions

What is Mari Mehlbrech, LCSW's NPI number?

Mari Mehlbrech, LCSW's National Provider Identifier (NPI) is 1205603156, issued on Dec 11, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Mari Mehlbrech, LCSW located?

The NPPES record lists a practice address at 315 N Main Ave Ste 309, Sioux Falls, SD, 57104. Phone: (605) 368-1610. Providers update this record themselves, so call before visiting.

How can I verify Mari Mehlbrech, LCSW's license?

NPPES lists South Dakota license number 6421, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.