Dr. Gres Karim , MD
Internal Medicine - Gastroenterology • Summit, NJ
Professional Overview & Biography Verified Profile Summary
Dr. Gres Karim, MD is a registered healthcare professional specializing in Internal Medicine - Gastroenterology in Summit, NJ. Practice services are available at 33 OVERLOOK RD STE 201 under active NPI credentials.
Practice Location & Contact Primary Location
33 Overlook Rd Ste 201
Summit, NJ 079013562
Specialty Benchmarks & Practice Insights
Comparative analytics for Internal Medicine - Gastroenterology in Summit, NJ
Practicing in Summit, NJ (764 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
CMS Verified: 2026-07-21NUCC Taxonomy Code: 207RG0100X
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Secondary Practice Locations
525 Central Ave Ste C
Westfield, NJ 070902545
Phone: 9085225040
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Nurse Practitioner
Nurse Practitioner - Adult Health
Nurse Practitioner
Nurse Practitioner - Adult Health
ANPBC
Internal Medicine - Transplant Hepatology
Physician Assistant
Physician Assistant (Certified)
Nurse Practitioner
Advanced Practice Nurse
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Registered at 33 OVERLOOK RD STE 201, SUMMIT, NJ 079013562 (Tel: 9085225040)
Registered at PO BOX 416457, BOSTON, MA 022416457 (Tel: 8443621735)
Internal Medicine (License #25MA13085300 in NJ)
NPI status registered as active in NPPES database
Registered at 281 1ST AVE, NEW YORK, NY 100032925 (Tel: 2124202000)
Registered at 350 E 17TH ST FL 20, NEW YORK, NY 100033805
Recorded as GRES KARIM, MD
Student in an Organized Health Care Education/Training Program
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Dr. Gres Karim
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
Po Box 416457
Boston, MA 022416457
Phone: 8443621735
This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.