diff --git a/packages/core/modules-sdk/src/loaders/utils/__fixtures__/module-with-providers/provider-2/services/provider-service.ts b/packages/core/modules-sdk/src/loaders/utils/__fixtures__/module-with-providers/provider-2/services/provider-service.ts
index 7e581fe2b8..8bd583bb82 100644
--- a/packages/core/modules-sdk/src/loaders/utils/__fixtures__/module-with-providers/provider-2/services/provider-service.ts
+++ b/packages/core/modules-sdk/src/loaders/utils/__fixtures__/module-with-providers/provider-2/services/provider-service.ts
@@ -1 +1,3 @@
-export class ModuleProvider2Service {}
+export class ModuleProvider2Service {
+  static identifier = "provider-2"
+}
diff --git a/packages/core/modules-sdk/src/loaders/utils/__tests__/load-internal.spec.ts b/packages/core/modules-sdk/src/loaders/utils/__tests__/load-internal.spec.ts
index aab66b84d8..f28a7fd2f9 100644
--- a/packages/core/modules-sdk/src/loaders/utils/__tests__/load-internal.spec.ts
+++ b/packages/core/modules-sdk/src/loaders/utils/__tests__/load-internal.spec.ts
@@ -1,5 +1,9 @@
 import { IModuleService, ModuleResolution } from "@medusajs/types"
-import { createMedusaContainer, upperCaseFirst } from "@medusajs/utils"
+import {
+  createMedusaContainer,
+  getProviderRegistrationKey,
+  upperCaseFirst,
+} from "@medusajs/utils"
 import { join } from "path"
 import {
   ModuleWithDmlMixedWithoutJoinerConfigFixtures,
@@ -10,11 +14,7 @@ import {
 import { ModuleService as ModuleServiceWithProvider } from "../__fixtures__/module-with-providers"
 import { ModuleProviderService as ModuleServiceWithProviderProvider1 } from "../__fixtures__/module-with-providers/provider-1"
 import { ModuleProvider2Service as ModuleServiceWithProviderProvider2 } from "../__fixtures__/module-with-providers/provider-2"
-import {
-  getProviderRegistrationKey,
-  loadInternalModule,
-  loadResources,
-} from "../load-internal"
+import { loadInternalModule, loadResources } from "../load-internal"
 
 describe("load internal", () => {
   describe("loadResources", () => {
@@ -376,9 +376,10 @@ describe("load internal", () => {
 
       const moduleService = container.resolve(moduleResolution.definition.key)
       const provider = (moduleService as any).container[
-        getProviderRegistrationKey(
-          ModuleServiceWithProviderProvider1.identifier
-        )
+        getProviderRegistrationKey({
+          providerId: moduleResolution.options!.providers![0].id,
+          providerIdentifier: ModuleServiceWithProviderProvider1.identifier,
+        })
       ]
 
       expect(moduleService).toBeInstanceOf(ModuleServiceWithProvider)
@@ -427,7 +428,10 @@ describe("load internal", () => {
 
       const moduleService = container.resolve(moduleResolution.definition.key)
       const provider = (moduleService as any).container[
-        getProviderRegistrationKey(moduleResolution.options!.providers![0].id)
+        getProviderRegistrationKey({
+          providerId: moduleResolution.options!.providers![0].id,
+          providerIdentifier: ModuleServiceWithProviderProvider2.identifier,
+        })
       ]
 
       expect(moduleService).toBeInstanceOf(ModuleServiceWithProvider)
diff --git a/packages/core/modules-sdk/src/loaders/utils/load-internal.ts b/packages/core/modules-sdk/src/loaders/utils/load-internal.ts
index cd9ec01845..9abc8476c4 100644
--- a/packages/core/modules-sdk/src/loaders/utils/load-internal.ts
+++ b/packages/core/modules-sdk/src/loaders/utils/load-internal.ts
@@ -18,6 +18,7 @@ import {
   defineJoinerConfig,
   DmlEntity,
   dynamicImport,
+  getProviderRegistrationKey,
   isString,
   MedusaModuleProviderType,
   MedusaModuleType,
@@ -51,17 +52,6 @@ type ResolvedModuleProvider = ModuleProviderExports & {
   discoveryPath: string
 }
 
-export const moduleProviderRegistrationKeyPrefix = "__providers__"
-
-/**
- * Return the key used to register a module provider in the container
- * @param {string} moduleKey
- * @return {string}
- */
-export function getProviderRegistrationKey(moduleKey: string): string {
-  return moduleProviderRegistrationKeyPrefix + moduleKey
-}
-
 export async function resolveModuleExports({
   resolution,
 }: {
@@ -140,7 +130,7 @@ async function loadInternalProvider(
         moduleExports: !isString(providerRes) ? providerRes : undefined,
         definition: {
           ...resolution.definition,
-          key: provider.id,
+          key: provider.id!,
         },
         resolutionPath: isString(provider.resolve)
           ? require.resolve(provider.resolve, {
@@ -321,13 +311,39 @@ export async function loadInternalModule(args: {
     for (const moduleProviderService of moduleProviderServices) {
       const modProvider_ = moduleProviderService as any
 
-      modProvider_.identifier ??= keyName
-      modProvider_.__type = MedusaModuleProviderType
-      const registrationKey = getProviderRegistrationKey(
-        modProvider_.identifier
+      const originalIdentifier = modProvider_.identifier as string
+      const providerId = keyName
+
+      if (!originalIdentifier) {
+        const providerResolutionName =
+          modProvider_.DISPLAY_NAME ?? resolution.resolutionPath
+
+        throw new Error(
+          `Module provider ${providerResolutionName} does not have a static "identifier" property on its service class.`
+        )
+      }
+
+      const alreadyRegisteredProvider = container.hasRegistration(
+        getProviderRegistrationKey({
+          providerId,
+          providerIdentifier: originalIdentifier,
+        })
       )
+      if (alreadyRegisteredProvider) {
+        throw new Error(
+          `Module provider ${originalIdentifier} has already been registered. Please provide a different "id" in the provider options.`
+        )
+      }
+
+      modProvider_.__type = MedusaModuleProviderType
+
+      const registrationKey = getProviderRegistrationKey({
+        providerId,
+        providerIdentifier: originalIdentifier,
+      })
+
       container.register({
-        [registrationKey]: asFunction((cradle) => {
+        [registrationKey]: asFunction(() => {
           ;(moduleProviderService as any).__type = MedusaModuleType
           return new moduleProviderService(
             localContainer.cradle,
diff --git a/packages/core/types/src/modules-sdk/module-provider.ts b/packages/core/types/src/modules-sdk/module-provider.ts
index 851154fd66..2cf6d603c0 100644
--- a/packages/core/types/src/modules-sdk/module-provider.ts
+++ b/packages/core/types/src/modules-sdk/module-provider.ts
@@ -42,7 +42,7 @@ export type ModuleProviderLoaderFunction = (
 
 export type ModuleProvider = {
   resolve: string | ModuleProviderExports<any>
-  id: string
+  id?: string
   options?: Record<string, unknown>
   is_default?: boolean
 }
diff --git a/packages/core/utils/src/auth/abstract-auth-provider.ts b/packages/core/utils/src/auth/abstract-auth-provider.ts
index c8f0a4628f..cefaa6a835 100644
--- a/packages/core/utils/src/auth/abstract-auth-provider.ts
+++ b/packages/core/utils/src/auth/abstract-auth-provider.ts
@@ -69,22 +69,32 @@ export abstract class AbstractAuthModuleProvider implements IAuthProvider {
   /**
    * @ignore
    */
-  private static PROVIDER: string
+  static identifier: string
   /**
    * @ignore
    */
-  private static DISPLAY_NAME: string
+  static DISPLAY_NAME: string
 
   /**
    * @ignore
    */
   protected readonly container_: any
+
   /**
+   * @deprecated Use `identifier` instead.
    * @ignore
    */
   public get provider() {
-    return (this.constructor as typeof AbstractAuthModuleProvider).PROVIDER
+    return (this.constructor as typeof AbstractAuthModuleProvider).identifier
   }
+
+  /**
+   * @ignore
+   */
+  public get identifier() {
+    return (this.constructor as typeof AbstractAuthModuleProvider).identifier
+  }
+
   /**
    * @ignore
    */
@@ -98,21 +108,6 @@ export abstract class AbstractAuthModuleProvider implements IAuthProvider {
    */
   static validateOptions(options: Record<any, any>): void | never {}
 
-  /**
-   * @ignore
-   *
-   * @privateRemarks
-   * Documenting the constructor in the class's TSDocs as it's difficult to relay
-   * the necessary information with this constructor's signature.
-   */
-  protected constructor({}, config: { provider: string; displayName: string }) {
-    this.container_ = arguments[0]
-    ;(this.constructor as typeof AbstractAuthModuleProvider).PROVIDER ??=
-      config.provider
-    ;(this.constructor as typeof AbstractAuthModuleProvider).DISPLAY_NAME ??=
-      config.displayName
-  }
-
   /**
    * This method authenticates the user.
    *
diff --git a/packages/core/utils/src/modules-sdk/index.ts b/packages/core/utils/src/modules-sdk/index.ts
index c2df880e87..1a84d3be30 100644
--- a/packages/core/utils/src/modules-sdk/index.ts
+++ b/packages/core/utils/src/modules-sdk/index.ts
@@ -19,3 +19,4 @@ export * from "./module-provider"
 export * from "./query-context"
 export * from "./types/links-config"
 export * from "./types/medusa-service"
+export * from "./module-provider-registration-key"
diff --git a/packages/core/utils/src/modules-sdk/module-provider-registration-key.ts b/packages/core/utils/src/modules-sdk/module-provider-registration-key.ts
new file mode 100644
index 0000000000..05c86bd4ec
--- /dev/null
+++ b/packages/core/utils/src/modules-sdk/module-provider-registration-key.ts
@@ -0,0 +1,19 @@
+export const moduleProviderRegistrationKeyPrefix = "__providers__"
+
+/**
+ * Return the key used to register a module provider in the container
+ * @param {string} moduleKey
+ * @return {string}
+ */
+export function getProviderRegistrationKey({
+  providerId,
+  providerIdentifier,
+}: {
+  providerId?: string
+  providerIdentifier?: string
+}): string {
+  const registrationIdentifier = `${
+    providerIdentifier ? providerIdentifier : ""
+  }${providerId ? `${providerIdentifier ? "_" : ""}${providerId}` : ""}`
+  return moduleProviderRegistrationKeyPrefix + registrationIdentifier
+}
diff --git a/packages/modules/auth/integration-tests/__fixtures__/providers/default-provider.ts b/packages/modules/auth/integration-tests/__fixtures__/providers/default-provider.ts
index a181b2eead..cf81a6279a 100644
--- a/packages/modules/auth/integration-tests/__fixtures__/providers/default-provider.ts
+++ b/packages/modules/auth/integration-tests/__fixtures__/providers/default-provider.ts
@@ -10,6 +10,8 @@ import {
 } from "@medusajs/framework/utils"
 
 export class AuthServiceFixtures extends AbstractAuthModuleProvider {
+  static identifier = "plaintextpass"
+
   constructor() {
     super(
       {},
diff --git a/packages/modules/locking/src/loaders/providers.ts b/packages/modules/locking/src/loaders/providers.ts
index be2b39cc5b..293ea72394 100644
--- a/packages/modules/locking/src/loaders/providers.ts
+++ b/packages/modules/locking/src/loaders/providers.ts
@@ -4,7 +4,10 @@ import {
   ModuleProvider,
   ModulesSdkTypes,
 } from "@medusajs/framework/types"
-import { ContainerRegistrationKeys } from "@medusajs/framework/utils"
+import {
+  ContainerRegistrationKeys,
+  getProviderRegistrationKey,
+} from "@medusajs/framework/utils"
 import { LockingProviderService } from "@services"
 import {
   LockingDefaultProvider,
@@ -14,10 +17,20 @@ import {
 import { Lifetime, aliasTo, asFunction, asValue } from "awilix"
 import { InMemoryLockingProvider } from "../providers/in-memory"
 
-const registrationFn = async (klass, container) => {
+const registrationFn = async (klass, container, { id }) => {
   const key = LockingProviderService.getRegistrationIdentifier(klass)
+
+  if (!id) {
+    throw new Error(`No "id" provided for provider ${key}`)
+  }
+
+  const regKey = getProviderRegistrationKey({
+    providerId: id,
+    providerIdentifier: key,
+  })
+
   container.register({
-    [LockingProviderRegistrationPrefix + key]: aliasTo("__providers__" + key),
+    [LockingProviderRegistrationPrefix + key]: aliasTo(regKey),
   })
 
   container.registerAdd(LockingIdentifiersRegistrationName, asValue(key))
diff --git a/packages/modules/payment/src/loaders/providers.ts b/packages/modules/payment/src/loaders/providers.ts
index 885e88154e..676d43bf9d 100644
--- a/packages/modules/payment/src/loaders/providers.ts
+++ b/packages/modules/payment/src/loaders/providers.ts
@@ -5,7 +5,7 @@ import {
   ModuleProvider,
   ModulesSdkTypes,
 } from "@medusajs/framework/types"
-import { Lifetime, asFunction, asValue } from "awilix"
+import { asFunction, asValue, Lifetime } from "awilix"
 import { MedusaError } from "@medusajs/framework/utils"
 
 import { PaymentProviderService } from "@services"
@@ -14,14 +14,16 @@ import * as providers from "../providers"
 const PROVIDER_REGISTRATION_KEY = "payment_providers"
 
 const registrationFn = async (klass, container, pluginOptions) => {
-  if (!klass?.PROVIDER) {
+  if (!klass?.identifier) {
     throw new MedusaError(
       MedusaError.Types.INVALID_ARGUMENT,
       `Trying to register a payment provider without a provider identifier.`
     )
   }
 
-  const key = `pp_${klass.PROVIDER}_${pluginOptions.id}`
+  const key = `pp_${klass.identifier}${
+    pluginOptions.id ? `_${pluginOptions.id}` : ""
+  }`
 
   container.register({
     [key]: asFunction((cradle) => new klass(cradle, pluginOptions.options), {
diff --git a/packages/modules/payment/src/providers/system.ts b/packages/modules/payment/src/providers/system.ts
index 0a3a016ef9..f5901bf449 100644
--- a/packages/modules/payment/src/providers/system.ts
+++ b/packages/modules/payment/src/providers/system.ts
@@ -13,7 +13,6 @@ import {
 
 export class SystemProviderService extends AbstractPaymentProvider {
   static identifier = "system"
-  static PROVIDER = "system"
 
   async getStatus(_): Promise<string> {
     return "authorized"
diff --git a/packages/modules/providers/auth-emailpass/src/services/emailpass.ts b/packages/modules/providers/auth-emailpass/src/services/emailpass.ts
index 1b15496116..6f9743b9ec 100644
--- a/packages/modules/providers/auth-emailpass/src/services/emailpass.ts
+++ b/packages/modules/providers/auth-emailpass/src/services/emailpass.ts
@@ -20,6 +20,9 @@ type InjectedDependencies = {
 interface LocalServiceConfig extends EmailPassAuthProviderOptions {}
 
 export class EmailPassAuthService extends AbstractAuthModuleProvider {
+  static identifier = "emailpass"
+  static DISPLAY_NAME = "Email/Password Authentication"
+
   protected config_: LocalServiceConfig
   protected logger_: Logger
 
@@ -27,10 +30,8 @@ export class EmailPassAuthService extends AbstractAuthModuleProvider {
     { logger }: InjectedDependencies,
     options: EmailPassAuthProviderOptions
   ) {
-    super(
-      {},
-      { provider: "emailpass", displayName: "Email/Password Authentication" }
-    )
+    // @ts-ignore
+    super(...arguments)
     this.config_ = options
     this.logger_ = logger
   }
diff --git a/packages/modules/providers/auth-github/src/services/github.ts b/packages/modules/providers/auth-github/src/services/github.ts
index 0aff38e1db..fd9113f3a0 100644
--- a/packages/modules/providers/auth-github/src/services/github.ts
+++ b/packages/modules/providers/auth-github/src/services/github.ts
@@ -18,6 +18,9 @@ interface LocalServiceConfig extends GithubAuthProviderOptions {}
 
 // TODO: Add state param that is stored in Redis, to prevent CSRF attacks
 export class GithubAuthService extends AbstractAuthModuleProvider {
+  static identifier = "github"
+  static DISPLAY_NAME = "Github Authentication"
+
   protected config_: LocalServiceConfig
   protected logger_: Logger
 
@@ -39,7 +42,8 @@ export class GithubAuthService extends AbstractAuthModuleProvider {
     { logger }: InjectedDependencies,
     options: GithubAuthProviderOptions
   ) {
-    super({}, { provider: "github", displayName: "Github Authentication" })
+    // @ts-ignore
+    super(...arguments)
     this.config_ = options
     this.logger_ = logger
   }
diff --git a/packages/modules/providers/auth-google/src/services/google.ts b/packages/modules/providers/auth-google/src/services/google.ts
index 78b99a58ce..562f6e8912 100644
--- a/packages/modules/providers/auth-google/src/services/google.ts
+++ b/packages/modules/providers/auth-google/src/services/google.ts
@@ -19,6 +19,9 @@ interface LocalServiceConfig extends GoogleAuthProviderOptions {}
 
 // TODO: Add state param that is stored in Redis, to prevent CSRF attacks
 export class GoogleAuthService extends AbstractAuthModuleProvider {
+  static identifier = "google"
+  static DISPLAY_NAME = "Google Authentication"
+
   protected config_: LocalServiceConfig
   protected logger_: Logger
 
@@ -40,7 +43,8 @@ export class GoogleAuthService extends AbstractAuthModuleProvider {
     { logger }: InjectedDependencies,
     options: GoogleAuthProviderOptions
   ) {
-    super({}, { provider: "google", displayName: "Google Authentication" })
+    // @ts-ignore
+    super(...arguments)
     this.config_ = options
     this.logger_ = logger
   }
diff --git a/packages/modules/providers/notification-local/src/services/local.ts b/packages/modules/providers/notification-local/src/services/local.ts
index 880aebd7a2..5ee0d14d7c 100644
--- a/packages/modules/providers/notification-local/src/services/local.ts
+++ b/packages/modules/providers/notification-local/src/services/local.ts
@@ -1,7 +1,7 @@
 import {
+  LocalNotificationServiceOptions,
   Logger,
   NotificationTypes,
-  LocalNotificationServiceOptions,
 } from "@medusajs/framework/types"
 import {
   AbstractNotificationProviderService,
@@ -15,6 +15,7 @@ type InjectedDependencies = {
 interface LocalServiceConfig {}
 
 export class LocalNotificationService extends AbstractNotificationProviderService {
+  static identifier = "notification-local"
   protected config_: LocalServiceConfig
   protected logger_: Logger
 
diff --git a/packages/modules/providers/notification-sendgrid/src/services/sendgrid.ts b/packages/modules/providers/notification-sendgrid/src/services/sendgrid.ts
index ddd2f2ca1e..987977c89f 100644
--- a/packages/modules/providers/notification-sendgrid/src/services/sendgrid.ts
+++ b/packages/modules/providers/notification-sendgrid/src/services/sendgrid.ts
@@ -19,6 +19,7 @@ interface SendgridServiceConfig {
 }
 
 export class SendgridNotificationService extends AbstractNotificationProviderService {
+  static identifier = "notification-sendgrid"
   protected config_: SendgridServiceConfig
   protected logger_: Logger
 
diff --git a/packages/modules/providers/payment-stripe/src/services/stripe-bancontact.ts b/packages/modules/providers/payment-stripe/src/services/stripe-bancontact.ts
index dfa487ae47..72f4d32249 100644
--- a/packages/modules/providers/payment-stripe/src/services/stripe-bancontact.ts
+++ b/packages/modules/providers/payment-stripe/src/services/stripe-bancontact.ts
@@ -2,7 +2,7 @@ import StripeBase from "../core/stripe-base"
 import { PaymentIntentOptions, PaymentProviderKeys } from "../types"
 
 class BancontactProviderService extends StripeBase {
-  static PROVIDER = PaymentProviderKeys.BAN_CONTACT
+  static identifier = PaymentProviderKeys.BAN_CONTACT
 
   constructor(_, options) {
     super(_, options)
diff --git a/packages/modules/providers/payment-stripe/src/services/stripe-blik.ts b/packages/modules/providers/payment-stripe/src/services/stripe-blik.ts
index 4f91c7b01d..c53d7b78d3 100644
--- a/packages/modules/providers/payment-stripe/src/services/stripe-blik.ts
+++ b/packages/modules/providers/payment-stripe/src/services/stripe-blik.ts
@@ -2,7 +2,7 @@ import StripeBase from "../core/stripe-base"
 import { PaymentIntentOptions, PaymentProviderKeys } from "../types"
 
 class BlikProviderService extends StripeBase {
-  static PROVIDER = PaymentProviderKeys.BLIK
+  static identifier = PaymentProviderKeys.BLIK
 
   constructor(_, options) {
     super(_, options)
diff --git a/packages/modules/providers/payment-stripe/src/services/stripe-giropay.ts b/packages/modules/providers/payment-stripe/src/services/stripe-giropay.ts
index 682aa5967d..22d07c8867 100644
--- a/packages/modules/providers/payment-stripe/src/services/stripe-giropay.ts
+++ b/packages/modules/providers/payment-stripe/src/services/stripe-giropay.ts
@@ -2,7 +2,7 @@ import StripeBase from "../core/stripe-base"
 import { PaymentIntentOptions, PaymentProviderKeys } from "../types"
 
 class GiropayProviderService extends StripeBase {
-  static PROVIDER = PaymentProviderKeys.GIROPAY
+  static identifier = PaymentProviderKeys.GIROPAY
 
   constructor(_, options) {
     super(_, options)
diff --git a/packages/modules/providers/payment-stripe/src/services/stripe-ideal.ts b/packages/modules/providers/payment-stripe/src/services/stripe-ideal.ts
index d1ff8ce03d..6fafbb6a3c 100644
--- a/packages/modules/providers/payment-stripe/src/services/stripe-ideal.ts
+++ b/packages/modules/providers/payment-stripe/src/services/stripe-ideal.ts
@@ -2,7 +2,7 @@ import StripeBase from "../core/stripe-base"
 import { PaymentIntentOptions, PaymentProviderKeys } from "../types"
 
 class IdealProviderService extends StripeBase {
-  static PROVIDER = PaymentProviderKeys.IDEAL
+  static identifier = PaymentProviderKeys.IDEAL
 
   constructor(_, options) {
     super(_, options)
diff --git a/packages/modules/providers/payment-stripe/src/services/stripe-provider.ts b/packages/modules/providers/payment-stripe/src/services/stripe-provider.ts
index 148681ac3f..9188e4e889 100644
--- a/packages/modules/providers/payment-stripe/src/services/stripe-provider.ts
+++ b/packages/modules/providers/payment-stripe/src/services/stripe-provider.ts
@@ -2,7 +2,7 @@ import StripeBase from "../core/stripe-base"
 import { PaymentIntentOptions, PaymentProviderKeys } from "../types"
 
 class StripeProviderService extends StripeBase {
-  static PROVIDER = PaymentProviderKeys.STRIPE
+  static identifier = PaymentProviderKeys.STRIPE
 
   constructor(_, options) {
     super(_, options)
diff --git a/packages/modules/providers/payment-stripe/src/services/stripe-przelewy24.ts b/packages/modules/providers/payment-stripe/src/services/stripe-przelewy24.ts
index 2fa0c8e14f..ae8a565680 100644
--- a/packages/modules/providers/payment-stripe/src/services/stripe-przelewy24.ts
+++ b/packages/modules/providers/payment-stripe/src/services/stripe-przelewy24.ts
@@ -2,7 +2,7 @@ import StripeBase from "../core/stripe-base"
 import { PaymentIntentOptions, PaymentProviderKeys } from "../types"
 
 class Przelewy24ProviderService extends StripeBase {
-  static PROVIDER = PaymentProviderKeys.PRZELEWY_24
+  static identifier = PaymentProviderKeys.PRZELEWY_24
 
   constructor(_, options) {
     super(_, options)