What is what kind of doctor is tiff and cari?

As a language model AI, I do not have specific information about individuals named Tiff and Cari. However, it is important to note that the title "doctor" can refer to a wide variety of medical professionals with different specialties and areas of expertise.

Without more information about Tiff and Cari's specific training, education, credentials, and specialization, it is difficult to determine the type of doctor they may be. Some possibilities include general practitioners, specialists such as cardiologists, dermatologists, oncologists, pediatricians, or any other type of medical doctor.

If you have more specific information about Tiff and Cari, such as their full names and medical backgrounds, I may be able to provide more tailored information about what type of doctors they are.