Doctor profile · Federal record

Dr. Nicholas Ruys

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Brookfield, WI

  • NPI 1043697246
  • Accepts Medicare
  • 11 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
225 S Executive Dr
Brookfield, WI 530054257
(262) 787-4050

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
July 23, 2024
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Wisconsin #67662

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043697246. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
137
Distinct HCPCS
8
Medicare allowed
$18,840
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 26 26 $114
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 21 21 $64
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 19 19 $133
01402 Anesthesia for procedure for total knee joint replacement 19 19 $314
64999 Other procedure on nervous system 17 17 $19
00142 Anesthesia for lens surgery 13 13 $101
00790 Anesthesia for other procedure on upper abdomen 11 11 $308
00812 Anesthesia for exam of colon using an endoscope 11 11 $90

In context: peer comparison

Among 3 peers in Brookfield Anesthesiology Physician, average services per provider: 22. This provider delivers 6.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Ruys's medical specialty?
Dr. Nicholas Ruys practices Anesthesiology Physician in Brookfield, WI.
Where does Dr. Nicholas Ruys practice?
Dr. Nicholas Ruys practices at 225 S Executive Dr, Brookfield, WI 530054257. Office phone: 2627874050.
What is Dr. Nicholas Ruys's NPI?
Dr. Nicholas Ruys's National Provider Identifier (NPI) is 1043697246, issued by NPPES.
Does Dr. Nicholas Ruys accept Medicare assignment?
Yes. Dr. Nicholas Ruys accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Ruys commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (HCPCS 64448); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.