Trevor Mark Wolterstorff
Psychologist · Sioux Falls, SD
Trevor Mark Wolterstorff is a psychologist with a practice address in Sioux Falls, South Dakota, and NPI 1639637689, issued on Mar 8, 2019. Check the license (South Dakota 642, as entered in NPPES) with the South Dakota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Trevor Mark Wolterstorff
- Primary taxonomy
- Psychologist 103T00000X
- License number
- 642 SD
Self-reported in NPPES; status is on the state search - Practice location
- 7511 S Louise Ave, Sioux Falls, SD 57108
- Phone
- (605) 312-8700
- Enumerated
- Mar 8, 2019
- Record last updated
- Feb 27, 2023
- Fax
- (757) 446-8401
- Medicare enrollment
- Enrolled (PECOS I20230302002513); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 7511 S Louise Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Meghan Anfinson, LPCMH, LPC, LACMental Health Counselor1356006001
- Torre Blohm, LCSWSocial Worker1790583631
- Megan Cooper, CSW-PIPSocial Worker1184211617
- Rachael Fricke, LAC, LPC-MH, LPCCProfessional Counselor1144839788
- Kiana Haveman, MSW, CSWClinical Social Worker1780447276
- Timothy Heerts, M.A.Marriage & Family Therapist1093923609
Verify Trevor Mark Wolterstorff 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 642Check 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
- Sanford Medical CenterSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Psychologist providers in South Dakota
There are 92 psychologist records in South Dakota.
Other psychologist records in South Dakota
- Douglas Anderson, PSYDSioux Falls, SD1750381851
- Robert Arnio, PH.D.Rapid City, SD1801861034
- Justine Ashokar, PH.D.Rapid City, SD1790222008
- Kyle BabbBrandon, SD1154772101
- Donald Baum, PHDSioux Falls, SD1982865754
- Christi Bostwick, PHDSioux Falls, SD1811139785
- Melissa Boyer, PSY.D.Pierre, SD1649423740
- Larry Brendtro, PH.D.Lennox, SD1881104859
- Kimberly Bulava, PSYDSturgis, SD1558666578
- Katherine Davidson, ED.S.Brandon, SD1225480023
Common questions
What is Trevor Mark Wolterstorff's NPI number?
Trevor Mark Wolterstorff's National Provider Identifier (NPI) is 1639637689, issued on Mar 8, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Trevor Mark Wolterstorff located?
The NPPES record lists a practice address at 7511 S Louise Ave, Sioux Falls, SD, 57108. Phone: (605) 312-8700. Providers update this record themselves, so call before visiting.
How can I verify Trevor Mark Wolterstorff's license?
NPPES lists South Dakota license number 642, 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.