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

John Walter Katz Jr., MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1548377443

John Walter Katz Jr., MD is a Critical Care Medicine (Anesthesiology) Physician in East Orange, New Jersey. Licensed in New Jersey. Registered with an NPI since 2006.

Licensed in
NJ
In the registry since
2006
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

385 Tremont Ave Dept OF Surgery
East Orange, NJ 07018-1023
Phone: (973) 676-1000
Fax: (973) 395-7193
Show map & directions

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

Specialties & licences

Critical Care Medicine (Anesthesiology) Physician (primary) Taxonomy 207LC0200X · Licence 25MA03245600 (NJ)

Record details

NPI number1548377443
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 24, 2006
Last updated in NPPESJuly 8, 2007