Nicholas Ruys
NPI 1043697246 · Anesthesiology Physician · Brookfield, WI
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nicholas Ruys is a Anesthesiology Physician provider in Brookfield, WI (NPI 1043697246).
Provider details
- NPI number
- 1043697246
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
150 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Continuous Infusion of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve) Through Catheter64448 | 29 | $65 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 28 | $286 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 21 | $126 |
| Other Procedure on Nervous System64999 | 18 | $19 |
| Anesthesia for Other Procedure on Urinary System Through Urethra00910 | 15 | $105 |
| Anesthesia for Total Hip Replacement01214 | 14 | $305 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-04-27
- Last updated
- 2024-07-23
- Certified
- 2024-07-23
Frequently asked questions
- What is Nicholas Ruys's NPI number?
- Nicholas Ruys's National Provider Identifier (NPI) is 1043697246, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nicholas Ruys's specialty?
- Nicholas Ruys is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nicholas Ruys located?
- Nicholas Ruys's practice location on file with NPPES is 225 S Executive Dr, Brookfield, WI 53005-4257.
- What is Nicholas Ruys's phone number?
- The practice phone number listed in the NPPES registry for Nicholas Ruys is (262) 787-4050.
- Does Nicholas Ruys accept Medicare?
- Nicholas Ruys is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nicholas Ruys's NPI active?
- Yes — Nicholas Ruys's NPI (1043697246) is active in the NPPES registry as of the last update on 2024-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.