Doctor profile · Federal record

Dr. Maggie Gierahn

Physician Assistant · Milwaukee, WI

  • NPI 1447746896
  • Accepts Medicare
  • MIPS 74.7 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2350 N Lake Dr Ste 201
Milwaukee, WI 532114528
(414) 298-7133

Credentials & registration

NPPES · NUCC
NPI registered
July 2018 — 8 yrs on file
Profile last updated
January 22, 2022
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
363A00000X — NUCC code
State license (1)
Wisconsin #4395

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447746896. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$635
Transactions
7
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 4 $330.45
Integra LifeSciences Corporation 2 $183.12
AstraZeneca Pharmaceuticals Lp 1 $121.83

By nature of payment

Food and Beverage
$635

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
94
Patients
35
Total drug cost
$5,517
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 31 24 $188
Pantoprazole Sodium Generic 27 11 $243
Creon (Lipase/Protease/Amylase) Brand 13 0 $4,711
Ondansetron Hcl Generic 12 0 $226
Metoclopramide Hcl Generic 11 0 $148

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Maggie Gierahn's medical specialty?
Dr. Maggie Gierahn practices Physician Assistant in Milwaukee, WI.
Where does Dr. Maggie Gierahn practice?
Dr. Maggie Gierahn practices at 2350 N Lake Dr Ste 201, Milwaukee, WI 532114528. Office phone: 4142987133.
What is Dr. Maggie Gierahn's NPI?
Dr. Maggie Gierahn's National Provider Identifier (NPI) is 1447746896, issued by NPPES.
Does Dr. Maggie Gierahn accept Medicare assignment?
Yes. Dr. Maggie Gierahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.