Nicholas Ruys
Anesthesiology Physician · Brookfield, WI
Nicholas Ruys is an anesthesiology physician with a practice address in Brookfield, Wisconsin, and NPI 1043697246, issued on Apr 27, 2015. Check the license (Wisconsin 67662, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Nicholas Ruys
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- 67662 WI
Self-reported in NPPES; status is on the state search - Practice location
- 225 S Executive Dr, Brookfield, WI 53005
- Phone
- (262) 787-4050
- Enumerated
- Apr 27, 2015
- Record last updated
- Jul 23, 2024
- Medicare enrollment
- Enrolled (PECOS I20190730001901); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 1,313 in Wisconsin → Look up another NPI →
Also registered at 225 S Executive Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Dylan Bray, AAAnesthesiologist Assistant1790135457
- Lowell Keppel, M.D.Family Medicine Physician1730177353
- Mary Rajala, M.D.Anesthesiology Physician1326022526
Verify Nicholas Ruys in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 67662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Anex, S.C.Waukesha, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nicholas Ruys among 1,313 anesthesiology physician records in Wisconsin
Nicholas Ruys is one of 1,313 anesthesiology physician records with a practice address in Wisconsin. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 77% of them.
- NPI issued2015 · 77% of these records are older, 20% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · median 2006 among the 872 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anesthesiology Physician providers in Wisconsin
There are 1,313 anesthesiology physician records in Wisconsin.
All 1,313 in Wisconsin → Every provider in Brookfield → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Mary Rajala, M.D.Brookfield, WI 530051326022526
- Jesse Van Bommel, MDBrookfield, WI 530051528012432
- Robert Fish, M.D.Grafton, WI 530241942292610
- Michael Hensien, MDGrafton, WI 530241346294956
- Igor Levin, M.D.Grafton, WI 530241376527895
- Andrew Nicoli, D.O.Grafton, WI 530241124280052
- Jennifer Niedfeldt, MDGrafton, WI 530241215943451
- Richard Paulsen, M.D.Grafton, WI 530241588735435
Common questions
What is Nicholas Ruys's NPI number?
Nicholas Ruys's National Provider Identifier (NPI) is 1043697246, issued on Apr 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Nicholas Ruys located?
The NPPES record lists a practice address at 225 S Executive Dr, Brookfield, WI, 53005. Phone: (262) 787-4050. Providers update this record themselves, so call before visiting.
How can I verify Nicholas Ruys's license?
NPPES lists Wisconsin license number 67662, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.