Doctor profile · Federal record

Dr. Ryan Gerhartz, APNP

Women's Health Nurse Practitioner (CMS: Nurse Practitioner) · Appleton, WI

  • NPI 1669771721
  • Accepts Medicare
  • MIPS 76.6 / 100 · 2023
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1531 S Madison St
Appleton, WI 549151800
(920) 730-4413

Credentials & registration

NPPES · NUCC
NPI registered
March 2011 — 15 yrs on file
Profile last updated
August 7, 2014
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
363LW0102X — NUCC code
State license (1)
Wisconsin #4346-033

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1669771721. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$374
Transactions
9
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 1 $123.21
Astellas Pharma US INC 3 $115.78
Axonics, INC. 1 $58.34
Daiichi Sankyo INC. 2 $45.75
Pfizer INC. 1 $17.80
Exact Sciences Corporation 1 $13.59

By nature of payment

Food and Beverage
$374

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
0
Total drug cost
$376
Drug Type Claims Patients Total cost
Norethindrone Acetate Generic 11 0 $376

Frequently asked questions

Auto-generated from federal data
What is Dr. Ryan Gerhartz's medical specialty?
Dr. Ryan Gerhartz practices Women's Health Nurse Practitioner in Appleton, WI.
Where does Dr. Ryan Gerhartz practice?
Dr. Ryan Gerhartz practices at 1531 S Madison St, Appleton, WI 549151800. Office phone: 9207304413.
What is Dr. Ryan Gerhartz's NPI?
Dr. Ryan Gerhartz's National Provider Identifier (NPI) is 1669771721, issued by NPPES.
Does Dr. Ryan Gerhartz accept Medicare assignment?
Yes. Dr. Ryan Gerhartz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.