Doctor profile · Federal record

Dr. Karl Nibbelink, MD

Emergency Medicine Physician (CMS: Emergency Medicine) · Janesville, WI

  • NPI 1093994121
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1000 Mineral Point Ave
Janesville, WI 535482940
(608) 756-6611
Mailing address
801 Woodward Dr
Madison, WI 537042237

Credentials & registration

NPPES · NUCC
NPI registered
October 2007 — 19 yrs on file
Profile last updated
August 14, 2012
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
Wisconsin #54377-020

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093994121. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
642
Distinct HCPCS
5
Medicare allowed
$65,344
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 196 179 $8
99285 Emergency department visit with high level of medical decision making 183 178 $163
99284 Emergency department visit with moderate level of medical decision making 169 162 $112
99291 Critical care, first 30-74 minutes 67 66 $198
99283 Emergency department visit with low level of medical decision making 27 26 $66

In context: peer comparison

Among 19 peers in this city , average services per provider: 75. This provider delivers 8.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
127
Patients
126
Total drug cost
$1,191
Drug Type Claims Patients Total cost
Ondansetron Odt (Ondansetron) Brand 34 34 $260
Cefdinir Generic 18 17 $408
Oxycodone Hcl Generic 18 18 $61
Prednisone Generic 17 17 $81
Cephalexin Generic 14 14 $96
Doxycycline Hyclate Generic 14 14 $158
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 12 $127

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Nibbelink's medical specialty?
Dr. Karl Nibbelink practices Emergency Medicine Physician in Janesville, WI.
Where does Dr. Karl Nibbelink practice?
Dr. Karl Nibbelink practices at 1000 Mineral Point Ave, Janesville, WI 535482940. Office phone: 6087566611.
What is Dr. Karl Nibbelink's NPI?
Dr. Karl Nibbelink's National Provider Identifier (NPI) is 1093994121, issued by NPPES.
Does Dr. Karl Nibbelink accept Medicare assignment?
Yes. Dr. Karl Nibbelink accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Nibbelink commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284). Source: CMS Medicare Physician & Other Practitioners file.