Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Nicholas S Warren

Individual provider Critical Care Medicine Registered Nurse · NPI 1023538642

Nicholas S Warren is a Certified Registered Nurse Anesthetist (CRNA) in Livingston, New Jersey. Qualified in 2017, 9 years ago. Practices with Shrewsbury Ambulatory Anesthesia LLC, a 138-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
9
Licensed in
NJ
In the registry since
2017
Specialties on file
2

Practice location Address checks out

94 Old Short Hills Rd
Livingston, NJ 07039-5672
Phone: (973) 322-5000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 201 Lyons Ave, Newark, NJ 07112-2027 — (800) 843-2384

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 26NJ00776700 (NJ)
Critical Care Medicine Registered Nurse Taxonomy 163WC0200X · Licence 26NR15098000 (NJ)

Record details

NPI number1023538642
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedJune 24, 2017
Last updated in NPPESMarch 17, 2018
Mailing addressPo Box 551420, Fort Lauderdale, FL 33355-1420

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice Shrewsbury Ambulatory Anesthesia Llc — 138 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Other providers in Livingston