Find a gastroenterologist near you
Gastroenterologists treat the digestive system - the esophagus, stomach, intestines, liver, pancreas and gallbladder - and perform colonoscopies and endoscopies.
Gastroenterologists16,010Medicare-enrolled nationwide
States50with at least one gastroenterologist
Most inCA2,543 in California
Per 100,000 people4.8U.S. average
Gastroenterologists by state
Darker states have more gastroenterologists for their population. Select a state to see its cities.
Gastroenterologists per 100,000 residents
AK4.5
ME8.2
VT4
NH10.4
WA7
ID5.5
MT6.9
ND6.8
MN10.9
IL10.6
WI8.9
MI7.4
NY10.8
RI9.8
MA12.1
OR7.6
NV3.3
WY2.1
SD6.2
IA6.4
IN6.5
OH9
PA10.5
NJ13.9
CT12.1
CA6.5
UT4.7
CO7.5
NE8.5
MO8.1
KY5.8
WV6.2
VA8.7
MD11.8
DE6.5
AZ6.4
NM5.4
KS5.5
AR4.1
TN5.5
NC7.4
SC6.9
OK4.1
LA7.4
MS7.7
AL4.7
GA7.9
HI6
TX6.8
FL8.2
Cities with the most gastroenterologists
Every state
Questions about gastroenterologists
What does a gastroenterologist do?
Gastroenterologists treat the digestive system - the esophagus, stomach, intestines, liver, pancreas and gallbladder - and perform colonoscopies and endoscopies.
How many gastroenterologists are there in the U.S.?
16,010 gastroenterologists are enrolled in Medicare according to CMS (data imported October 2026), about 4.8 for every 100,000 people. California has the most, with 2,543.
How do I find a gastroenterologist near me?
Choose your state, then your city, to see every Medicare-enrolled gastroenterologist practicing there with their address, phone number and hospital affiliations. If you have insurance other than Original Medicare, check the doctor is in your plan's network before booking.
Related specialties
Counts are distinct clinicians whose primary Medicare specialty is gastroenterology; a clinician practicing in several cities appears in each city. Source: CMS Doctors and Clinicians national file, imported October 2026; population from the U.S. Census Bureau. About the data.