diff --git a/sdk/monitor/monitor-opentelemetry/review/monitor-opentelemetry.api.md b/sdk/monitor/monitor-opentelemetry/review/monitor-opentelemetry.api.md
index d911593473e7..93e1e9744475 100644
--- a/sdk/monitor/monitor-opentelemetry/review/monitor-opentelemetry.api.md
+++ b/sdk/monitor/monitor-opentelemetry/review/monitor-opentelemetry.api.md
@@ -22,8 +22,8 @@ export class AzureMonitorOpenTelemetryClient {
     getLoggerProvider(): LoggerProvider;
     getMeter(): Meter;
     getMeterProvider(): MeterProvider;
-    getTraceProvider(): TracerProvider;
     getTracer(): Tracer;
+    getTracerProvider(): TracerProvider;
     shutdown(): Promise<void>;
 }
 
@@ -39,13 +39,13 @@ export interface AzureMonitorOpenTelemetryOptions {
 
 // @public
 export interface InstrumentationOptions {
-    azureSdk: InstrumentationConfig;
-    http: InstrumentationConfig;
-    mongoDb: InstrumentationConfig;
-    mySql: InstrumentationConfig;
-    postgreSql: InstrumentationConfig;
-    redis: InstrumentationConfig;
-    redis4: InstrumentationConfig;
+    azureSdk?: InstrumentationConfig;
+    http?: InstrumentationConfig;
+    mongoDb?: InstrumentationConfig;
+    mySql?: InstrumentationConfig;
+    postgreSql?: InstrumentationConfig;
+    redis?: InstrumentationConfig;
+    redis4?: InstrumentationConfig;
 }
 
 // (No @packageDocumentation comment for this package)
diff --git a/sdk/monitor/monitor-opentelemetry/src/client.ts b/sdk/monitor/monitor-opentelemetry/src/client.ts
index 4c96355e8a01..a7a0cd7fc7ec 100644
--- a/sdk/monitor/monitor-opentelemetry/src/client.ts
+++ b/sdk/monitor/monitor-opentelemetry/src/client.ts
@@ -49,7 +49,7 @@ export class AzureMonitorOpenTelemetryClient {
   /**
    *Get OpenTelemetry TracerProvider
    */
-  public getTraceProvider(): TracerProvider {
+  public getTracerProvider(): TracerProvider {
     return this._traceHandler.getTracerProvider();
   }
 
diff --git a/sdk/monitor/monitor-opentelemetry/src/shared/config.ts b/sdk/monitor/monitor-opentelemetry/src/shared/config.ts
index afd499e39c18..432f7a040044 100644
--- a/sdk/monitor/monitor-opentelemetry/src/shared/config.ts
+++ b/sdk/monitor/monitor-opentelemetry/src/shared/config.ts
@@ -72,25 +72,28 @@ export class AzureMonitorOpenTelemetryConfig implements AzureMonitorOpenTelemetr
     // Check for explicitly passed options when instantiating client
     // This will take precedence over other settings
     if (options) {
-      this.azureMonitorExporterConfig =
-        options.azureMonitorExporterConfig || this.azureMonitorExporterConfig;
+      // Merge default with provided options
+      this.azureMonitorExporterConfig = Object.assign(
+        this.azureMonitorExporterConfig,
+        options.azureMonitorExporterConfig
+      );
+      this.instrumentationOptions = Object.assign(
+        this.instrumentationOptions,
+        options.instrumentationOptions
+      );
+      this.resource = Object.assign(this.resource, options.resource);
+
       this.enableAutoCollectPerformance =
         options.enableAutoCollectPerformance || this.enableAutoCollectPerformance;
       this.enableAutoCollectStandardMetrics =
         options.enableAutoCollectStandardMetrics || this.enableAutoCollectStandardMetrics;
       this.samplingRatio = options.samplingRatio || this.samplingRatio;
-      this.instrumentationOptions = options.instrumentationOptions || this.instrumentationOptions;
-      this.resource = options.resource || this.resource;
     }
   }
 
   private _mergeConfig() {
     try {
       const jsonConfig = JsonConfig.getInstance();
-      this.azureMonitorExporterConfig =
-        jsonConfig.azureMonitorExporterConfig !== undefined
-          ? jsonConfig.azureMonitorExporterConfig
-          : this.azureMonitorExporterConfig;
       this.enableAutoCollectPerformance =
         jsonConfig.enableAutoCollectPerformance !== undefined
           ? jsonConfig.enableAutoCollectPerformance
@@ -101,56 +104,15 @@ export class AzureMonitorOpenTelemetryConfig implements AzureMonitorOpenTelemetr
           : this.enableAutoCollectStandardMetrics;
       this.samplingRatio =
         jsonConfig.samplingRatio !== undefined ? jsonConfig.samplingRatio : this.samplingRatio;
-      if (jsonConfig.instrumentationOptions) {
-        if (
-          jsonConfig.instrumentationOptions.azureSdk &&
-          jsonConfig.instrumentationOptions.azureSdk.enabled !== undefined
-        ) {
-          this.instrumentationOptions.azureSdk.enabled =
-            jsonConfig.instrumentationOptions.azureSdk.enabled;
-        }
-        if (
-          jsonConfig.instrumentationOptions.http &&
-          jsonConfig.instrumentationOptions.http.enabled !== undefined
-        ) {
-          this.instrumentationOptions.http.enabled = jsonConfig.instrumentationOptions.http.enabled;
-        }
-        if (
-          jsonConfig.instrumentationOptions.mongoDb &&
-          jsonConfig.instrumentationOptions.mongoDb.enabled !== undefined
-        ) {
-          this.instrumentationOptions.mongoDb.enabled =
-            jsonConfig.instrumentationOptions.mongoDb.enabled;
-        }
-        if (
-          jsonConfig.instrumentationOptions.mySql &&
-          jsonConfig.instrumentationOptions.mySql.enabled !== undefined
-        ) {
-          this.instrumentationOptions.mySql.enabled =
-            jsonConfig.instrumentationOptions.mySql.enabled;
-        }
-        if (
-          jsonConfig.instrumentationOptions.postgreSql &&
-          jsonConfig.instrumentationOptions.postgreSql.enabled !== undefined
-        ) {
-          this.instrumentationOptions.postgreSql.enabled =
-            jsonConfig.instrumentationOptions.postgreSql.enabled;
-        }
-        if (
-          jsonConfig.instrumentationOptions.redis4 &&
-          jsonConfig.instrumentationOptions.redis4.enabled !== undefined
-        ) {
-          this.instrumentationOptions.redis4.enabled =
-            jsonConfig.instrumentationOptions.redis4.enabled;
-        }
-        if (
-          jsonConfig.instrumentationOptions.redis &&
-          jsonConfig.instrumentationOptions.redis.enabled !== undefined
-        ) {
-          this.instrumentationOptions.redis.enabled =
-            jsonConfig.instrumentationOptions.redis.enabled;
-        }
-      }
+
+      this.azureMonitorExporterConfig = Object.assign(
+        this.azureMonitorExporterConfig,
+        jsonConfig.azureMonitorExporterConfig
+      );
+      this.instrumentationOptions = Object.assign(
+        this.instrumentationOptions,
+        jsonConfig.instrumentationOptions
+      );
     } catch (error) {
       Logger.getInstance().error("Failed to load JSON config file values.", error);
     }
diff --git a/sdk/monitor/monitor-opentelemetry/src/shared/types.ts b/sdk/monitor/monitor-opentelemetry/src/shared/types.ts
index df5f0214dc83..72fd66db03f6 100644
--- a/sdk/monitor/monitor-opentelemetry/src/shared/types.ts
+++ b/sdk/monitor/monitor-opentelemetry/src/shared/types.ts
@@ -40,17 +40,17 @@ export interface AzureMonitorOpenTelemetryOptions {
  */
 export interface InstrumentationOptions {
   /** Azure SDK Instrumentation Config */
-  azureSdk: InstrumentationConfig;
+  azureSdk?: InstrumentationConfig;
   /** HTTP Instrumentation Config */
-  http: InstrumentationConfig;
+  http?: InstrumentationConfig;
   /** MongoDB Instrumentation Config */
-  mongoDb: InstrumentationConfig;
+  mongoDb?: InstrumentationConfig;
   /** MySQL Instrumentation Config */
-  mySql: InstrumentationConfig;
+  mySql?: InstrumentationConfig;
   /** PostgreSql Instrumentation Config */
-  postgreSql: InstrumentationConfig;
+  postgreSql?: InstrumentationConfig;
   /** Redis Instrumentation Config */
-  redis: InstrumentationConfig;
+  redis?: InstrumentationConfig;
   /** Redis4 Instrumentation Config */
-  redis4: InstrumentationConfig;
+  redis4?: InstrumentationConfig;
 }
diff --git a/sdk/monitor/monitor-opentelemetry/src/traces/handler.ts b/sdk/monitor/monitor-opentelemetry/src/traces/handler.ts
index 421d99935bf2..6af82706f0f4 100644
--- a/sdk/monitor/monitor-opentelemetry/src/traces/handler.ts
+++ b/sdk/monitor/monitor-opentelemetry/src/traces/handler.ts
@@ -14,7 +14,6 @@ import {
   SpanProcessor,
   Tracer,
 } from "@opentelemetry/sdk-trace-base";
-import { TracerProvider } from "@opentelemetry/api";
 import { Instrumentation } from "@opentelemetry/instrumentation";
 import {
   HttpInstrumentation,
@@ -92,7 +91,7 @@ export class TraceHandler {
   /**
    *Get OpenTelemetry TracerProvider
    */
-  public getTracerProvider(): TracerProvider {
+  public getTracerProvider(): NodeTracerProvider {
     return this._tracerProvider;
   }
 
diff --git a/sdk/monitor/monitor-opentelemetry/test/internal/unit/shared/config.test.ts b/sdk/monitor/monitor-opentelemetry/test/internal/unit/shared/config.test.ts
index 13d18a924663..f075e6756e66 100644
--- a/sdk/monitor/monitor-opentelemetry/test/internal/unit/shared/config.test.ts
+++ b/sdk/monitor/monitor-opentelemetry/test/internal/unit/shared/config.test.ts
@@ -64,19 +64,19 @@ describe("Library/Config", () => {
         "Wrong enableAutoCollectStandardMetrics"
       );
       assert.deepStrictEqual(
-        config.instrumentationOptions.azureSdk.enabled,
+        config.instrumentationOptions.azureSdk?.enabled,
         true,
         "Wrong azureSdk"
       );
-      assert.deepStrictEqual(config.instrumentationOptions.mongoDb.enabled, true, "Wrong mongoDb");
-      assert.deepStrictEqual(config.instrumentationOptions.mySql.enabled, true, "Wrong mySql");
+      assert.deepStrictEqual(config.instrumentationOptions.mongoDb?.enabled, true, "Wrong mongoDb");
+      assert.deepStrictEqual(config.instrumentationOptions.mySql?.enabled, true, "Wrong mySql");
       assert.deepStrictEqual(
-        config.instrumentationOptions.postgreSql.enabled,
+        config.instrumentationOptions.postgreSql?.enabled,
         true,
         "Wrong postgreSql"
       );
-      assert.deepStrictEqual(config.instrumentationOptions.redis.enabled, true, "Wrong redis");
-      assert.deepStrictEqual(config.instrumentationOptions.redis4.enabled, true, "Wrong redis4");
+      assert.deepStrictEqual(config.instrumentationOptions.redis?.enabled, true, "Wrong redis");
+      assert.deepStrictEqual(config.instrumentationOptions.redis4?.enabled, true, "Wrong redis4");
     });
 
     it("Default config", () => {
@@ -93,19 +93,23 @@ describe("Library/Config", () => {
         "Wrong enableAutoCollectStandardMetrics"
       );
       assert.deepStrictEqual(
-        config.instrumentationOptions.azureSdk.enabled,
+        config.instrumentationOptions.azureSdk?.enabled,
         false,
         "Wrong azureSdk"
       );
-      assert.deepStrictEqual(config.instrumentationOptions.mongoDb.enabled, false, "Wrong mongoDb");
-      assert.deepStrictEqual(config.instrumentationOptions.mySql.enabled, false, "Wrong mySql");
       assert.deepStrictEqual(
-        config.instrumentationOptions.postgreSql.enabled,
+        config.instrumentationOptions.mongoDb?.enabled,
+        false,
+        "Wrong mongoDb"
+      );
+      assert.deepStrictEqual(config.instrumentationOptions.mySql?.enabled, false, "Wrong mySql");
+      assert.deepStrictEqual(
+        config.instrumentationOptions.postgreSql?.enabled,
         false,
         "Wrong postgreSql"
       );
-      assert.deepStrictEqual(config.instrumentationOptions.redis.enabled, false, "Wrong redis");
-      assert.deepStrictEqual(config.instrumentationOptions.redis4.enabled, false, "Wrong redis4");
+      assert.deepStrictEqual(config.instrumentationOptions.redis?.enabled, false, "Wrong redis");
+      assert.deepStrictEqual(config.instrumentationOptions.redis4?.enabled, false, "Wrong redis4");
       assert.deepStrictEqual(
         config.azureMonitorExporterConfig?.disableOfflineStorage,
         undefined,
diff --git a/sdk/monitor/monitor-opentelemetry/test/internal/unit/shared/jsonConfig.test.ts b/sdk/monitor/monitor-opentelemetry/test/internal/unit/shared/jsonConfig.test.ts
index 4393376c08b6..63171ceb5b37 100644
--- a/sdk/monitor/monitor-opentelemetry/test/internal/unit/shared/jsonConfig.test.ts
+++ b/sdk/monitor/monitor-opentelemetry/test/internal/unit/shared/jsonConfig.test.ts
@@ -92,19 +92,23 @@ describe("Json Config", () => {
         "Wrong enableAutoCollectStandardMetrics"
       );
       assert.deepStrictEqual(
-        config.instrumentationOptions?.azureSdk.enabled,
+        config.instrumentationOptions?.azureSdk?.enabled,
         true,
         "Wrong azureSdk"
       );
-      assert.deepStrictEqual(config.instrumentationOptions?.mongoDb.enabled, true, "Wrong mongoDb");
-      assert.deepStrictEqual(config.instrumentationOptions?.mySql.enabled, true, "Wrong mySql");
       assert.deepStrictEqual(
-        config.instrumentationOptions?.postgreSql.enabled,
+        config.instrumentationOptions?.mongoDb?.enabled,
+        true,
+        "Wrong mongoDb"
+      );
+      assert.deepStrictEqual(config.instrumentationOptions?.mySql?.enabled, true, "Wrong mySql");
+      assert.deepStrictEqual(
+        config.instrumentationOptions?.postgreSql?.enabled,
         true,
         "Wrong postgreSql"
       );
-      assert.deepStrictEqual(config.instrumentationOptions?.redis.enabled, true, "Wrong redis");
-      assert.deepStrictEqual(config.instrumentationOptions?.redis4.enabled, true, "Wrong redis4");
+      assert.deepStrictEqual(config.instrumentationOptions?.redis?.enabled, true, "Wrong redis");
+      assert.deepStrictEqual(config.instrumentationOptions?.redis4?.enabled, true, "Wrong redis4");
     });
 
     it("Should take configurations from JSON config file over environment variables if both are configured", () => {