|Nickname||Gabe, Dr. Lawrence|
|Title||Senior ER Attending- (1999).|
|Behind the scenes|
|First episode||Greene with Envy|
|Last episode||Humpty Dumpty|
Gabriel Lawrence is a doctor who for a short time worked in the County General ER as the Senior Attending Physician and who is also Kerry Weaver's mentor before being forced to resign after Weaver and Mark Greene discovered that Lawrence was in the early stages of Alzheimer's disease.