My Glomerular filtration Rate is 66. Does this indicate Kidney disease? Creatinine is 1.8 BUN is 16 total Protein is 7.0 w/f 37

Normal >90. Your eGFR is impaired and you should consult a kidney doctor, nephrologist, for evaluation.
Serum creatinine. Yes, it does indicate CKD (chronic kidney disease). Please see your doctor or a nephrologist.