Doctor profile · Federal record

Dr. William Larson, DDS

General Practice Dentistry · Wadena, MN

  • NPI 1164519625
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
122 Colfax Ave Sw
Wadena, MN 564821470
(218) 631-4525
fax (218) 631-3998

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 16, 2007
Specialty taxonomy
1223G0001X — NUCC code
State license (1)
Minnesota #D12083

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1164519625. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$47
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Dentsply Sirona INC 1 $29.00
Solventum Corporation 1 $18.10

By nature of payment

Food and Beverage
$47

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
61
Patients
42
Total drug cost
$317
Drug Type Claims Patients Total cost
Amoxicillin Generic 48 42 $181
Clindamycin Hcl Generic 13 0 $136

Frequently asked questions

Auto-generated from federal data
What is Dr. William Larson's medical specialty?
Dr. William Larson practices General Practice Dentistry in Wadena, MN.
Where does Dr. William Larson practice?
Dr. William Larson practices at 122 Colfax Ave Sw, Wadena, MN 564821470. Office phone: 2186314525.
What is Dr. William Larson's NPI?
Dr. William Larson's National Provider Identifier (NPI) is 1164519625, issued by NPPES.