NICHOLAS S WARREN – Certified Registered Nurse Anesthetist, NPI 1023538642
Certified Registered Nurse Anesthetist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,122 CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA) in NJ
Provider Addresses for NICHOLAS S WARREN
201 Lyons Ave
Newark, NJ 071122027
Phone: (800) 843-2384
Type: Location
PO BOX 551420
FORT LAUDERDALE, FL 333551420
Phone: (800) 243-3839
Fax: (844) 414-8291
Type: Mailing
Saint Barnabas Medical Center, 94, Old Short Hills Road, Livingston, Essex County, New Jersey, 07039, United States
LIVINGSTON, NJ 070395672
Phone: (973) 322-5000
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $19.
Total Amount is formed as General ($19) + Research ($0) + Ownership ($0) = $19.
Last reported payment date: 2023-01-26 • Largest payer in this snapshot: Edwards Lifesciences Corporation ($19).
Total Amount
$19
General + Research + Ownership
Payments
1
Total payment records
General Amount
$19
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-01-26
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Edwards Lifesciences Corporation | $19 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2017-12-07
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20171207002373 | I | Certified Registered Nurse Anesthetist (Crna) | NJ | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 00790 | Anesthesia for other procedure on upper abdomen | 18 | 17 | $0 |
| 01402 | Anesthesia for procedure for total knee joint replacement | 12 | 12 | $0 |
| 01480 | Anesthesia for other procedure on lower leg, ankle, and foot bones | 11 | 11 | $0 |
Insurance plans in this area (ZIP 07112)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| A N E S T H E S I O L O G Y | NJ | |
| Anesthesiology, Internal Medicine | NY | |
| A N E S T H E S I O L O G Y | NY | |
| A N E S T H E S I O L O G Y | NJ | |
| A N E S T H E S I O L O G Y | NJ | |
| A N E S T H E S I O L O G Y | PA | |
| - | PA | |
| - | NY | |
| A N E S T H E S I O L O G Y | NJ | |
| - | IL |
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