Doctor profile · Federal record

Dr. MEGAN HANNEMANN, MD

Emergency Medicine Physician (CMS: EMERGENCY MEDICINE) · Student in an Organized Health Care Education/Training Program · MADISON, WI

  • NPI 1477118164
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
UW HOSPITALS AND CLINICS, 600 HIGHLAND AVE
MADISON, WI 53792
(608) 263-6400

Credentials & registration

NPPES · NUCC
NPI registered
May 2019 — 7 yrs on file
Profile last updated
May 24, 2022
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Wisconsin #75112-20

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1477118164. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
362
Distinct HCPCS
5
Medicare allowed
$38,428
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 132 124 $163
99284 Emergency department visit with moderate level of medical decision making 116 108 $112
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 89 86 $8
99283 Emergency department visit with low level of medical decision making 13 12 $66
99291 Critical care, first 30-74 minutes 12 12 $198

In context: peer comparison

Among 57 peers in this city , average services per provider: 78. This provider delivers 4.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
169
Patients
154
Total drug cost
$2,639
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 43 41 $132
Ondansetron Odt (Ondansetron) Brand 38 38 $227
Cephalexin Generic 27 27 $284
Cefpodoxime Proxetil Generic 19 19 $1,630
Prednisone Generic 18 17 $35
Doxycycline Monohydrate Generic 13 12 $234
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 11 0 $98

Hospital affiliations

CMS Hospital Compare