Is it cancer? Do I need a new doctor?

hello! at the beginning of 2020 i was 297 pounds and active. i would hike, kayak and walk miles but i still weighed nearly 300lbs. i changed absolutely nothing about my lifestyle but i noticed a bit of weightloss in march of 2020. around that time my family members noticed a clear cognitive decline accompanied with slurring of my words and an inability to remember words. at that point my family thought i was on drugs so they made me go to my primary care. he did blood tests that showed high blood sugar, high CO2 levels, high A/G ratio, high immature granulocytes, high white and red blood cell count, and high neutrophil percentage. my doctor decided to then get me tested for HIV and syphilis which were both negative. my doctor told me i was too young for any of those to be an issue, he did another test after that came back mostly normal with elevated inflammation i assumed it could be a psychological thing but after seeing a psychologist she determined i had no health related anxiety. a month after those tests half of my face went paralyzed and i lost 25% of the strength in my wrists and hands. i also started to notice severe pain in my neck and abdomen. my doctor ordered an MRI of my neck which found a small mass between C2 and C3, they also noticed degeneration of all cervical disks. my doctor told me that the mass could just be a cluster of blood vessels but never sent me in for more imaging. then a few months ago i developed abdominal pain, headaches, earaches, blurred/tunnel vision, diarrhea, dark & light blood in my stools, high resting heart rate and blood pressure, tingling in my fingers and feet, cold sensations inside my abdomen, whole body joint pain, muscle spasms of my right thigh and an inability to push my stools out. my doctor did blood tests again which showed high levels like my march blood test which he told me made no sense because im too young to have high cholesterol, diabetes, and lung disease. about a month ago i had 2 small heart attacks after a bubbly feeling in my chest and massive cramping of my arm neck and jaw. my doctor did not seem too concerned when i gave him my ER paper that said i had a heart attack which seems insane to me! i have noticed that i have a hard time with sustained conversation as i will forget what the convo is about while speaking. my friends will try to remind me what we were talking about but i will have no recollection of that convo. almost like it never happened. i still have all of my symptoms but now my pinky toes and their neighbor go completely numb often. what can i do? i feel as if im slowly dying and all my doctor is worried about is my sex life. he has given me 3 HIV tests and 2 syphilis tests when i told him there was no way.