Doctor profile · Federal record

Dr. Gretchen Tolsma, APNP

Nurse Practitioner · Adult Health Nurse Practitioner · Antigo, WI

  • NPI 1538167077
  • 21 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2327 Neva RD
Antigo, WI 544092912
(715) 623-2123
fax (715) 623-6556

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
May 1, 2014
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Wisconsin #1399-033 · Wisconsin #1399
Medicaid
WV #43895600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1538167077. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$20
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $20.31

By nature of payment

Food and Beverage
$20

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
351
Patients
177
Total drug cost
$6,845
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 42 25 $561
Amlodipine Besylate Generic 39 23 $352
Lisinopril Generic 39 23 $480
Rosuvastatin Calcium Generic 31 17 $837
Montelukast Sodium Generic 25 16 $652
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 23 0 $869
Levothyroxine Sodium Generic 23 14 $460
Lovastatin Generic 20 14 $248
Losartan Potassium Generic 19 19 $339
Omeprazole Generic 19 15 $400

Frequently asked questions

Auto-generated from federal data
What is Dr. Gretchen Tolsma's medical specialty?
Dr. Gretchen Tolsma practices Nurse Practitioner in Antigo, WI.
Where does Dr. Gretchen Tolsma practice?
Dr. Gretchen Tolsma practices at 2327 Neva RD, Antigo, WI 544092912. Office phone: 7156232123.
What is Dr. Gretchen Tolsma's NPI?
Dr. Gretchen Tolsma's National Provider Identifier (NPI) is 1538167077, issued by NPPES.