Sungjin HDS Co., Ltd. (hereinafter referred to as the "Company"), which operates the medihi service (hereinafter referred to as the "Service"), and affiliated medical institutions participating in the Service (hereinafter referred to as "Participating Institutions") value the personal information of users and comply with relevant laws such as the "Personal Information Protection Act".

This Privacy Policy applies to the use of all services provided by medihi and informs users of how their personal information is collected, used, stored, and destroyed, as well as their rights and how to exercise them.


1. Purpose of Processing Personal Information

The Company processes personal information for the following purposes.

Currently, medihi operates primarily based on non-member consultation requests. Should features such as membership services, reviews, or payments be introduced in the future, this policy may be updated accordingly.

Category Purpose
Consultation & Reservation Request Connecting consultations & reservations, providing hospital info, customer support & complaint handling, service quality improvement & statistical analysis
Member Services Member identification, identity verification, writing reviews, reservation management, prevention of fraudulent use
Service Analysis & Custom Recommendation Analyzing user service patterns, content recommendation, UI/UX improvement, quality enhancement
Marketing & Benefit Information Sending events, promotions, advertising information, benefits, and newsletters
Contract, Settlement, Customer Management Fulfillment of service contracts with advertising/affiliated hospitals, settlement, internal management
Fulfillment of Legal Obligations Compliance with laws related to consumer protection, tax reporting, dispute resolution, etc.

▪️ Customer Experience Satisfaction Survey & Review Request

To improve customer experience quality and services, the Company may conduct satisfaction surveys or request reviews regarding the consultation, visit, and treatment process.

Information collected in this process is used solely for service quality management. If reviews are publicly posted within the service or linked to promotional/donation programs, they will be used only after obtaining the user's optional marketing consent.


2. Items of Personal Information Processed

The Company collects and uses the following information during the service usage process.

Category Collection Items Collection Method
Consultation Request Name, Contact (Phone number), Treatment item (Optional: Messenger ID, Inquiry details, Age, Gender, Region, Preferred reservation date/time) Consultation form
Sign Up Name, Email, Password, Mobile phone number, Identity verification value (CI/DI) Sign-up screen
Writing Reviews or Content Name (or Nickname), Review content, Procedure info, Attached images (Optional) Review screen
Automatically Collected Info IP address, Browser & Device info, Access time, Usage records, Cookies, Event logs Auto-collected during use

3. Retention and Usage Period of Personal Information

Category Retention Period Basis
Consultation & Reservation Records Retained for 1 year from the request date, then immediately destroyed Article 16 of the Personal Information Protection Act (Restriction on Collection)
Contract & Settlement Records 5 years Act on the Consumer Protection in Electronic Commerce (Records on contract and payment settlement)
Service Usage Records 3 months Protection of Communications Secrets Act
Member Information Until membership withdrawal
Upon Expiry or Purpose Achievement Destroyed without delay (Electronic files deleted irreversibly, printed materials shredded or incinerated)

▪️ Separate Storage for Long-term Inactive Users (Article 29, Network Act)

The Company may separately store or destroy personal information of users who have not used the service for more than 1 year.

In this case, the Company will notify the user prior to separation/storage and retain the information only for the period specified by law.


4. Provision of Personal Information to Third Parties

In principle, the Company does not provide user personal information externally.

However, it is provided as follows only with the user's prior consent.

Recipient Purpose Items Provided Retention Period
Hospitals/Clinics receiving consultation/reservation requests Consultation/Reservation guidance, Visit management Name, Contact (Phone number), Treatment item (Optional: Messenger ID, Inquiry details, Age, Gender, Region, Preferred reservation date/time) 1 year from request date or period specified by relevant laws
Laws or Investigative Agencies Upon request based on laws Scope set by law Until purpose achieved

5. Outsourcing of Personal Information Processing

For smooth service provision, the Company outsources personal information processing as follows.

Trustee Outsourced Tasks Items Provided Retention Period
Typeform S.L. Consultation form service provision Consultation response data Until purpose achieved
Google LLC Web/App analysis (GA4), Cloud storage, Email service Log data, Email Until purpose achieved
Amazon Web Services (AWS) Cloud server infrastructure provision and data storage environment operation Service usage data Until contract termination or purpose achievement
Kakao Message delivery, notifications, authentication service Name, Contact, Message content Service provision period

※ If the outsourced vendor changes, we will notify you in advance through this policy and announcements.


6. Procedure and Method of Destruction of Personal Information

The Company destroys personal information without delay when the retention period expires or the processing purpose is achieved.

However, if retention is required by relevant laws, the information is moved to a separate database and access is restricted.

① Destruction Procedure

Information entered by users through consultation requests, membership registration, etc., is moved to a separate database after the purpose is achieved and stored for a certain period according to internal policies and laws before being destroyed.

The information is not used for any other purpose except as required by law.

② Destruction Method

  • Paper documents: Shredded or incinerated
  • Electronic files: Permanently deleted using irreversible technical methods

Users may request access, correction, deletion, suspension of processing, or withdrawal of consent regarding their personal information at any time.

Inquiries regarding personal information can be made through the contact information below.

  • Email: home@sungjinhds.com
  • Phone: 1833-4957
  • Chief Privacy Officer (CPO): Kim Jin-young
  • Reporting or consultation regarding personal information infringement:
    • Personal Information Dispute Mediation Committee (1833-6972)
    • Personal Information Infringement Report Center (118)

8. Use and Rejection of Cookies

The Company may use cookies to analyze user service usage patterns and provide customized information.

Cookies do not identify individuals and are used to analyze user preferences and usage patterns.

① Purpose of Cookie Use

Identify user visit records, usage patterns, and preferred content to provide customized information and statistical analysis

② Method to Reject Cookies

Users have the option to accept or reject cookie installation and can reject cookie storage through web browser settings.

  • (Internet Explorer) [Tools] → [Internet Options] → [Privacy] → [Advanced]
  • (Chrome) [Settings] → [Privacy and security] → [Cookies and other site data]

If you reject cookie storage, there may be limitations in using some customized services.


9. Measures to Ensure Safety of Personal Information

In accordance with Article 29 of the Personal Information Protection Act, the Company implements the following measures to ensure safety:

  • Minimization of access rights and authority management
  • Encryption during transmission and storage
  • Retention of access logs and prevention of forgery or alteration
  • Regular security inspections and mock drills
  • Management, supervision, and training of trustees

10. Chief Privacy Officer (CPO)

Category Name Department Contact Email
Chief Privacy Officer Kim Jin-young Management Support 1833-4957 home@sungjinhds.com

11. Notice of Changes to Privacy Policy

This policy is effective from November 4, 2025.

If there are any additions, deletions, or changes to the content, we will notify you via announcements or email 7 days prior to the effective date.