To obtain a PhilHealth ID card, you'll need to register with PhilHealth and provide necessary documents, such as a valid ID and proof of membership. The ID card serves as proof of your coverage and is essential for accessing healthcare services. You can usually get your ID card at your local PhilHealth office or through online services. If you have specific questions about the application process or eligibility, it's best to check the official PhilHealth website or contact their customer service for accurate information.