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

Dr. William S Kritzberg, MD

Individual provider Internal Medicine Physician · NPI 1780725010

Dr. William S Kritzberg, MD is an Internal Medicine Physician in Livingston, New Jersey. Practices as a sole proprietor. Licensed in New Jersey.

Licensed in
NJ
In the registry since
2007
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

315 E Northfield Rd Ste 1-D
Livingston, NJ 07039-4896
Phone: (973) 944-1144
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 25MA06514200 (NJ)

Record details

NPI number1780725010
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 9, 2007
Last updated in NPPESSeptember 19, 2013

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