Katherine Williams, LPC-MH SUPERVISEE
Mental Health Counselor · Sioux Falls, SD
Katherine Williams, LPC-MH SUPERVISEE is a mental health counselor with a practice address in Sioux Falls, South Dakota, and NPI 1336685122, issued on Jan 17, 2017. Check the license (South Dakota 30773, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Williams
- Credential
- LPC-MH SUPERVISEE
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License numbers
- 30773 SD
20702 SD
Self-reported in NPPES; status is on the state search - Practice location
- 6201 W 43RD St, Sioux Falls, SD 57106
- Phone
- (605) 774-1243
- Enumerated
- Jan 17, 2017
- Record last updated
- Sep 12, 2022
- Medicare enrollment
- Enrolled (PECOS I20250225003902); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 753 in South Dakota → Look up another NPI →
Verify Katherine Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich South Dakota board licenses this profession
Search for license 30773Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Avera MckennanSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Williams among 753 mental health counselor records in South Dakota
Katherine Williams, LPC-MH SUPERVISEE is one of 753 mental health counselor records with a practice address in South Dakota. 11% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 57% of them.
- NPI issued2017 · 57% of these records are older, 41% newer
- In a Medicare fileYes · 11% of these records are
- In the CMS Doctors and Clinicians fileYes · 22% of these records are
- Graduated2020 · median 2011 among the 162 with a school on file
- Record last updated2022 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
208 mental health counselor records list a practice address in Sioux Falls
They are 208 of the 6,563 NPPES records with a practice address in Sioux Falls, and 753 mental health counselor records in South Dakota.
All 753 in South Dakota → Every provider in Sioux Falls → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Nicholas Buus, MA, LAMFTSioux Falls, SD 571061730312281
- Larry Dancler, MSSioux Falls, SD 571061891772398
- Gary Hofman, EDDSioux Falls, SD 571061700863206
- Eleanor Larsen, MA, LMFT, LSWASioux Falls, SD 571061609031970
- Ellen Niedert-Hohm, M.S., LPC-MS, QMHPSioux Falls, SD 571061619990009
- Tara Olson-Larson, MA LPC MHSioux Falls, SD 571061194711085
- Jessie Park, LPC-MHSioux Falls, SD 571061164547865
- Maria Piacentino, MA,LPC-MH,LAC, QMHPSioux Falls, SD 571061831251172
Common questions
What is Katherine Williams, LPC-MH SUPERVISEE's NPI number?
Katherine Williams, LPC-MH SUPERVISEE's National Provider Identifier (NPI) is 1336685122, issued on Jan 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Williams, LPC-MH SUPERVISEE located?
The NPPES record lists a practice address at 6201 W 43RD St, Sioux Falls, SD, 57106. Phone: (605) 774-1243. Providers update this record themselves, so call before visiting.
How can I verify Katherine Williams, LPC-MH SUPERVISEE's license?
NPPES lists South Dakota license number 30773, 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. Medicare files from data.cms.gov. 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.