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

Dr. Walter Lawrence Groff, MD

Individual provider Colon & Rectal Surgery Physician · NPI 1437116423

Dr. Walter Lawrence Groff, MD is a Colon & Rectal Surgery Physician in Summit, 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

33 Overlook Rd Ste 412
Summit, NJ 07901-3570
Phone: (909) 598-0220
Show map & directions

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

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence 25MA03600900 (NJ)

Record details

NPI number1437116423
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 26, 2006
Last updated in NPPESJuly 8, 2007

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