diff --git a/packages/parser/tests/lib/__snapshots__/typescript.ts.snap b/packages/parser/tests/lib/__snapshots__/typescript.ts.snap
index 219470cc7b44..03506477a626 100644
--- a/packages/parser/tests/lib/__snapshots__/typescript.ts.snap
+++ b/packages/parser/tests/lib/__snapshots__/typescript.ts.snap
@@ -40807,6 +40807,105 @@ Object {
 }
 `;
 
+exports[`typescript fixtures/expressions/optional-call-expression-type-arguments.src 1`] = `
+Object {
+  "$id": 3,
+  "block": Object {
+    "range": Array [
+      0,
+      35,
+    ],
+    "type": "Program",
+  },
+  "childScopes": Array [
+    Object {
+      "$id": 2,
+      "block": Object {
+        "range": Array [
+          0,
+          35,
+        ],
+        "type": "Program",
+      },
+      "childScopes": Array [],
+      "functionExpressionScope": false,
+      "isStrict": true,
+      "references": Array [
+        Object {
+          "$id": 0,
+          "from": Object {
+            "$ref": 2,
+          },
+          "identifier": Object {
+            "name": "foo",
+            "range": Array [
+              0,
+              3,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+        Object {
+          "$id": 1,
+          "from": Object {
+            "$ref": 2,
+          },
+          "identifier": Object {
+            "name": "foo",
+            "range": Array [
+              15,
+              18,
+            ],
+            "type": "Identifier",
+          },
+          "kind": "r",
+          "resolved": null,
+          "writeExpr": undefined,
+        },
+      ],
+      "throughReferences": Array [
+        Object {
+          "$ref": 0,
+        },
+        Object {
+          "$ref": 1,
+        },
+      ],
+      "type": "module",
+      "upperScope": Object {
+        "$ref": 3,
+      },
+      "variableMap": Object {},
+      "variableScope": Object {
+        "$ref": 2,
+      },
+      "variables": Array [],
+    },
+  ],
+  "functionExpressionScope": false,
+  "isStrict": false,
+  "references": Array [],
+  "throughReferences": Array [
+    Object {
+      "$ref": 0,
+    },
+    Object {
+      "$ref": 1,
+    },
+  ],
+  "type": "global",
+  "upperScope": null,
+  "variableMap": Object {},
+  "variableScope": Object {
+    "$ref": 3,
+  },
+  "variables": Array [],
+}
+`;
+
 exports[`typescript fixtures/expressions/tagged-template-expression-type-arguments.src 1`] = `
 Object {
   "$id": 2,
diff --git a/packages/shared-fixtures/fixtures/typescript/expressions/optional-call-expression-type-arguments.src.ts b/packages/shared-fixtures/fixtures/typescript/expressions/optional-call-expression-type-arguments.src.ts
new file mode 100644
index 000000000000..5cb45f68a4c9
--- /dev/null
+++ b/packages/shared-fixtures/fixtures/typescript/expressions/optional-call-expression-type-arguments.src.ts
@@ -0,0 +1,2 @@
+foo?.bar<A>();
+foo?.bar<number>();
diff --git a/packages/typescript-estree/src/create-program/createDefaultProgram.ts b/packages/typescript-estree/src/create-program/createDefaultProgram.ts
index 11a6638d711c..0db0d1fc699d 100644
--- a/packages/typescript-estree/src/create-program/createDefaultProgram.ts
+++ b/packages/typescript-estree/src/create-program/createDefaultProgram.ts
@@ -12,7 +12,7 @@ const log = debug('typescript-eslint:typescript-estree:createDefaultProgram');
 
 /**
  * @param code The code of the file being linted
- * @param options The config object
+ * @param extra The config object
  * @param extra.tsconfigRootDir The root directory for relative tsconfig paths
  * @param extra.projects Provided tsconfig paths
  * @returns If found, returns the source file corresponding to the code and the containing program
diff --git a/packages/typescript-estree/src/parser.ts b/packages/typescript-estree/src/parser.ts
index 882249b6bdd5..82755ef99079 100644
--- a/packages/typescript-estree/src/parser.ts
+++ b/packages/typescript-estree/src/parser.ts
@@ -51,8 +51,8 @@ interface ASTAndProgram {
 
 /**
  * @param code The code of the file being linted
- * @param options The config object
- * @param shouldProvideParserServices True iff the program should be attempted to be calculated from provided tsconfig files
+ * @param shouldProvideParserServices True if the program should be attempted to be calculated from provided tsconfig files
+ * @param shouldCreateDefaultProgram True if the program should be created from compiler host
  * @returns Returns a source file and program corresponding to the linted code
  */
 function getProgramAndAST(
@@ -366,7 +366,7 @@ function parseAndGenerateServices<T extends TSESTreeOptions = TSESTreeOptions>(
   )!;
 
   /**
-   * Determine whether or not two-way maps of converted AST nodes should be preserved
+   * Determine whatever or not two-way maps of converted AST nodes should be preserved
    * during the conversion process
    */
   const shouldPreserveNodeMaps =
diff --git a/packages/typescript-estree/src/visitor-keys.ts b/packages/typescript-estree/src/visitor-keys.ts
index d7ee3ed356fc..a3622fc4713f 100644
--- a/packages/typescript-estree/src/visitor-keys.ts
+++ b/packages/typescript-estree/src/visitor-keys.ts
@@ -43,7 +43,7 @@ export const visitorKeys = eslintVisitorKeys.unionWith({
   BigIntLiteral: [],
   ClassProperty: ['decorators', 'key', 'typeAnnotation', 'value'],
   Decorator: ['expression'],
-  OptionalCallExpression: eslintVisitorKeys.KEYS.CallExpression,
+  OptionalCallExpression: ['callee', 'typeParameters', 'arguments'],
   OptionalMemberExpression: eslintVisitorKeys.KEYS.MemberExpression,
   TSAbstractClassProperty: ['decorators', 'key', 'typeAnnotation', 'value'],
   TSAbstractKeyword: [],
diff --git a/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.ts.snap b/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.ts.snap
index 7ec1f11ce8c5..1b81d29c0842 100644
--- a/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.ts.snap
+++ b/packages/typescript-estree/tests/lib/__snapshots__/semantic-diagnostics-enabled.ts.snap
@@ -2502,6 +2502,8 @@ exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" e
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/new-expression-type-arguments.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
+exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/optional-call-expression-type-arguments.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
+
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/expressions/tagged-template-expression-type-arguments.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
 
 exports[`Parse all fixtures with "errorOnTypeScriptSyntacticAndSemanticIssues" enabled fixtures/typescript/namespaces-and-modules/ambient-module-declaration-with-import.src 1`] = `"TEST OUTPUT: No semantic or syntactic issues found"`;
diff --git a/packages/typescript-estree/tests/lib/__snapshots__/typescript.ts.snap b/packages/typescript-estree/tests/lib/__snapshots__/typescript.ts.snap
index 2616eb70237d..a439478f2a98 100644
--- a/packages/typescript-estree/tests/lib/__snapshots__/typescript.ts.snap
+++ b/packages/typescript-estree/tests/lib/__snapshots__/typescript.ts.snap
@@ -137287,6 +137287,627 @@ Object {
 }
 `;
 
+exports[`typescript fixtures/expressions/optional-call-expression-type-arguments.src 1`] = `
+Object {
+  "body": Array [
+    Object {
+      "expression": Object {
+        "arguments": Array [],
+        "callee": Object {
+          "computed": false,
+          "loc": Object {
+            "end": Object {
+              "column": 8,
+              "line": 1,
+            },
+            "start": Object {
+              "column": 0,
+              "line": 1,
+            },
+          },
+          "object": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 3,
+                "line": 1,
+              },
+              "start": Object {
+                "column": 0,
+                "line": 1,
+              },
+            },
+            "name": "foo",
+            "range": Array [
+              0,
+              3,
+            ],
+            "type": "Identifier",
+          },
+          "optional": true,
+          "property": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 8,
+                "line": 1,
+              },
+              "start": Object {
+                "column": 5,
+                "line": 1,
+              },
+            },
+            "name": "bar",
+            "range": Array [
+              5,
+              8,
+            ],
+            "type": "Identifier",
+          },
+          "range": Array [
+            0,
+            8,
+          ],
+          "type": "OptionalMemberExpression",
+        },
+        "loc": Object {
+          "end": Object {
+            "column": 13,
+            "line": 1,
+          },
+          "start": Object {
+            "column": 0,
+            "line": 1,
+          },
+        },
+        "optional": false,
+        "range": Array [
+          0,
+          13,
+        ],
+        "type": "OptionalCallExpression",
+        "typeParameters": Object {
+          "loc": Object {
+            "end": Object {
+              "column": 11,
+              "line": 1,
+            },
+            "start": Object {
+              "column": 8,
+              "line": 1,
+            },
+          },
+          "params": Array [
+            Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 10,
+                  "line": 1,
+                },
+                "start": Object {
+                  "column": 9,
+                  "line": 1,
+                },
+              },
+              "range": Array [
+                9,
+                10,
+              ],
+              "type": "TSTypeReference",
+              "typeName": Object {
+                "loc": Object {
+                  "end": Object {
+                    "column": 10,
+                    "line": 1,
+                  },
+                  "start": Object {
+                    "column": 9,
+                    "line": 1,
+                  },
+                },
+                "name": "A",
+                "range": Array [
+                  9,
+                  10,
+                ],
+                "type": "Identifier",
+              },
+            },
+          ],
+          "range": Array [
+            8,
+            11,
+          ],
+          "type": "TSTypeParameterInstantiation",
+        },
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 14,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        14,
+      ],
+      "type": "ExpressionStatement",
+    },
+    Object {
+      "expression": Object {
+        "arguments": Array [],
+        "callee": Object {
+          "computed": false,
+          "loc": Object {
+            "end": Object {
+              "column": 8,
+              "line": 2,
+            },
+            "start": Object {
+              "column": 0,
+              "line": 2,
+            },
+          },
+          "object": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 3,
+                "line": 2,
+              },
+              "start": Object {
+                "column": 0,
+                "line": 2,
+              },
+            },
+            "name": "foo",
+            "range": Array [
+              15,
+              18,
+            ],
+            "type": "Identifier",
+          },
+          "optional": true,
+          "property": Object {
+            "loc": Object {
+              "end": Object {
+                "column": 8,
+                "line": 2,
+              },
+              "start": Object {
+                "column": 5,
+                "line": 2,
+              },
+            },
+            "name": "bar",
+            "range": Array [
+              20,
+              23,
+            ],
+            "type": "Identifier",
+          },
+          "range": Array [
+            15,
+            23,
+          ],
+          "type": "OptionalMemberExpression",
+        },
+        "loc": Object {
+          "end": Object {
+            "column": 18,
+            "line": 2,
+          },
+          "start": Object {
+            "column": 0,
+            "line": 2,
+          },
+        },
+        "optional": false,
+        "range": Array [
+          15,
+          33,
+        ],
+        "type": "OptionalCallExpression",
+        "typeParameters": Object {
+          "loc": Object {
+            "end": Object {
+              "column": 16,
+              "line": 2,
+            },
+            "start": Object {
+              "column": 8,
+              "line": 2,
+            },
+          },
+          "params": Array [
+            Object {
+              "loc": Object {
+                "end": Object {
+                  "column": 15,
+                  "line": 2,
+                },
+                "start": Object {
+                  "column": 9,
+                  "line": 2,
+                },
+              },
+              "range": Array [
+                24,
+                30,
+              ],
+              "type": "TSNumberKeyword",
+            },
+          ],
+          "range": Array [
+            23,
+            31,
+          ],
+          "type": "TSTypeParameterInstantiation",
+        },
+      },
+      "loc": Object {
+        "end": Object {
+          "column": 19,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        15,
+        34,
+      ],
+      "type": "ExpressionStatement",
+    },
+  ],
+  "loc": Object {
+    "end": Object {
+      "column": 0,
+      "line": 3,
+    },
+    "start": Object {
+      "column": 0,
+      "line": 1,
+    },
+  },
+  "range": Array [
+    0,
+    35,
+  ],
+  "sourceType": "script",
+  "tokens": Array [
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 3,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        0,
+        3,
+      ],
+      "type": "Identifier",
+      "value": "foo",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 5,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 3,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        3,
+        5,
+      ],
+      "type": "Punctuator",
+      "value": "?.",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 8,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 5,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        5,
+        8,
+      ],
+      "type": "Identifier",
+      "value": "bar",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 9,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 8,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        8,
+        9,
+      ],
+      "type": "Punctuator",
+      "value": "<",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 10,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 9,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        9,
+        10,
+      ],
+      "type": "Identifier",
+      "value": "A",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 11,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 10,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        10,
+        11,
+      ],
+      "type": "Punctuator",
+      "value": ">",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 12,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 11,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        11,
+        12,
+      ],
+      "type": "Punctuator",
+      "value": "(",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 13,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 12,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        12,
+        13,
+      ],
+      "type": "Punctuator",
+      "value": ")",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 14,
+          "line": 1,
+        },
+        "start": Object {
+          "column": 13,
+          "line": 1,
+        },
+      },
+      "range": Array [
+        13,
+        14,
+      ],
+      "type": "Punctuator",
+      "value": ";",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 3,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 0,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        15,
+        18,
+      ],
+      "type": "Identifier",
+      "value": "foo",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 5,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 3,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        18,
+        20,
+      ],
+      "type": "Punctuator",
+      "value": "?.",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 8,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 5,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        20,
+        23,
+      ],
+      "type": "Identifier",
+      "value": "bar",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 9,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 8,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        23,
+        24,
+      ],
+      "type": "Punctuator",
+      "value": "<",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 15,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 9,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        24,
+        30,
+      ],
+      "type": "Identifier",
+      "value": "number",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 16,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 15,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        30,
+        31,
+      ],
+      "type": "Punctuator",
+      "value": ">",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 17,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 16,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        31,
+        32,
+      ],
+      "type": "Punctuator",
+      "value": "(",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 18,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 17,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        32,
+        33,
+      ],
+      "type": "Punctuator",
+      "value": ")",
+    },
+    Object {
+      "loc": Object {
+        "end": Object {
+          "column": 19,
+          "line": 2,
+        },
+        "start": Object {
+          "column": 18,
+          "line": 2,
+        },
+      },
+      "range": Array [
+        33,
+        34,
+      ],
+      "type": "Punctuator",
+      "value": ";",
+    },
+  ],
+  "type": "Program",
+}
+`;
+
 exports[`typescript fixtures/expressions/tagged-template-expression-type-arguments.src 1`] = `
 Object {
   "body": Array [

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