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

Warren Jay Bleiweiss, MD

Individual provider Anesthesiology Physician · NPI 1548208838

Warren Jay Bleiweiss, MD is an Anesthesiology in Caldwell, New Jersey. Graduated from New York University School of Medicine in 1983, 43 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
43
Trained at
New York University School of Medicine
Licensed in
NJ
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

29 Smull Ave
Caldwell, NJ 07006
Phone: (973) 403-3334
Fax: (973) 403-0102
Show map & directions

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

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 25MA05338100 (NJ)
Pain Medicine Physician Taxonomy 208VP0000X · Licence 25MA05338100 (NJ)

Record details

NPI number1548208838
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 2, 2006
Last updated in NPPESSeptember 11, 2025
Mailing address29 Smull Avenue, Caldwell, NJ 07006

Medicare enrollment

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

Medicare specialtyANESTHESIOLOGY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount