How Do I Get a Pennsylvania Medical Marijuana Card? Here’s how you can get a physician’s cannabis certificate and medical marijuana card with Pennsylvania: Register on the Pennsylvania Medical Marijuana Program website > Click Here. Receive your patient number immediately after registering. Register online with Leafwell and see a doctor in minutes. Have a consultation with a Pennsylvania-licensed Leafwell doctor. Provide your DOB and patient number, get approved and receive certification. Certification is submitted by the doctor directly on the state website. Log back onto the state website. Once in your account click the tab that says make a payment and pay there. Once payment is complete your card will be mailed to you in 2-5 business days.