Colon & Rectal Surgery Specialists in Summit, NJ
Browse 2 Colon & Rectal Surgery providers listed in NPPES with a practice address in Summit, New Jersey.
How Summit compares with the U.S.
2 active clinicians in Colon & Rectal Surgery list a practice address in Summit, NJ in the NPI registry.
With fewer than 10 clinicians, rates per 100,000 residents are not reliable enough to compare.
Too few clinicians in Colon & Rectal Surgery in Summit are listed in the CMS Medicare file to report Medicare assignment or telehealth shares.
These figures summarize public federal data. They do not measure quality of care, appointment availability, or whether a clinician accepts your insurance or new patients. Registry addresses can be out of date. Please confirm details directly with the office and your plan. This information is not medical advice.
Prepared by T-MedInfo from NPPES, CMS and U.S. Census Bureau data. Questions or corrections: support@true-medinfo.com · Methodology
Sources: Clinician counts and practice addresses: NPPES NPI Registry, Centers for Medicare & Medicaid Services (CMS), data as of August 2026.
Dr. Walter Lawrence Groff , MD
Colon & Rectal Surgery
Dr. Julie Alyssa Lorber , MD
Colon & Rectal Surgery
Frequently Asked Questions about Colon & Rectal Surgery in Summit
Each practitioner profile shows the NUCC taxonomy code and any state license number the practitioner reported to NPPES, plus a link to the New Jersey licensing board lookup. NPPES entries are self-reported; current license status is published only by the state board.
This list shows NPI records that are active in NPPES. A deactivated NPI keeps its profile with the deactivation date and practice history; find it with the site search by name or NPI number.
Other Specialties in Summit
- Student in an Organized Health Care Education/Training Program 123
- Psychologist 36
- Nurse Practitioner 32
- Physical Therapist 29
- Nurse Anesthetist, Certified Registered 28
- Dentist - General Practice 18
- Physician Assistant 18
- Nurse Practitioner - Psychiatric/Mental Health 15
- Nurse Practitioner - Family 14
- Dentist 13
- Nurse Practitioner - Adult Health 13
- Nurse Practitioner - Acute Care 12