William Walter Larsen, PH.D.
Clinical Psychologist · Grand Rapids, MN
William Walter Larsen, PH.D. is a clinical psychologist with a practice address in Grand Rapids, Minnesota, and NPI 1083712301, issued on Sep 20, 2006. Check the license (Minnesota LP0562, as entered in NPPES) with the Minnesota board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Walter Larsen
- Credential
- PH.D.
- Primary taxonomy
- Clinical Psychologist 103TC0700X
- License number
- LP0562 MN
Self-reported in NPPES; status is on the state search - Practice location
- 525 Itasca St, Grand Rapids, MN 55744
- Phone
- (218) 327-2295
- Enumerated
- Sep 20, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (218) 327-2295
- Entity
- Type 1 · individual
8 nearest clinical psychologist records → All 1,538 in Minnesota → Look up another NPI →
Verify William Walter Larsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license LP0562Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Walter Larsen among 1,538 clinical psychologist records in Minnesota
William Walter Larsen, PH.D. is one of 1,538 clinical psychologist records with a practice address in Minnesota. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileNo · 26% of these records are
- In the CMS Doctors and Clinicians fileNo · 33% of these records are
- Record last updated2007 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 103TC0700X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 clinical psychologist records list a practice address in Grand Rapids
They are 7 of the 476 NPPES records with a practice address in Grand Rapids, and 1,538 clinical psychologist records in Minnesota. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,538 in Minnesota → Every provider in Grand Rapids → Clinical Psychologist nationwide →
The 8 clinical psychologist records with the nearest ZIP codes
- Cathleen Bengtson, MA, LPGrand Rapids, MN 557441003029265
- Justin Gambill, PSYD, LPGrand Rapids, MN 557441285335943
- Michele Rinne, MS ED, LPGrand Rapids, MN 557441699988972
- Jeffrey Toonstra, MS, LPGrand Rapids, MN 557441457564668
- Mischelle Vietanen, PSY.D.Grand Rapids, MN 557441548694847
- Jenny Wettersten, MA, LPGrand Rapids, MN 557441619181492
- Carrie Chomicz, PSYD LPHibbing, MN 557461134220395
- Gary Eustice, MS LPHibbing, MN 557461962503110
Common questions
What is William Walter Larsen, PH.D.'s NPI number?
William Walter Larsen, PH.D.'s National Provider Identifier (NPI) is 1083712301, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Walter Larsen, PH.D. located?
The NPPES record lists a practice address at 525 Itasca St, Grand Rapids, MN, 55744. Phone: (218) 327-2295. Providers update this record themselves, so call before visiting.
How can I verify William Walter Larsen, PH.D.'s license?
NPPES lists Minnesota license number LP0562, as entered by the provider. Search the Minnesota 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.