Nicholas S. Warren
NPI 1023538642ActiveIndividual· Nurse Anesthetist, Certified Registered· Livingston, NJ
Nurse Anesthetist, Certified Registered with Rwjbh Observation Associates LLC and 3 other groups, practicing in Livingston, New Jersey. Medicare paid $20,256 for services to 164 patients in 2024. Lists Chilton Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1023538642 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Jun 24, 2017 |
| Last updated in NPPES | Mar 17, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Anesthetist, Certified Registered Primary | 367500000X | 26NJ00776700 | NJ |
| Registered Nurse, Critical Care Medicine | 163WC0200X | 26NR15098000 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Certified Registered Nurse Anesthetist (CRNA) (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 164 |
|---|---|
| Services billed | 185 across 54 procedure codes |
| Paid by Medicare | $20,256 |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Certified Registered Nurse Anesthetist (Crna) |
Medical groups
- Rwjbh Observation Associates LLCJersey City, NJ · 1,008 clinicians
- Shrewsbury Ambulatory Anesthesia LLCVoorhees, NJ · 141 clinicians
- Anesthesia Services of Practice Associates PAPompton Plains, NJ · 36 clinicians
- Morris Anesthesia Group PADenville, NJ · 34 clinicians
Hospital affiliations
- Chilton Medical CenterPompton Plains, NJ
- Cooperman Barnabas Medical CenterLivingston, NJ
- Saint Clare's Hospital/ Denville CampusDenville, NJ
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 nurse anesthetists in Livingston · All nurse anesthetists in New Jersey