Matthew 9:35 KJV
And Jesus went about all the cities and villages, teaching in their synagogues, and preaching the gospel of the kingdom, and healing every sickness and every disease among the people.
Mark 6:55,56 KJV
 And ran through that whole region round about, and began to carry about in beds those that were sick, where they heard He was.
 And wherever He entered, into villages, or cities, or country, they laid the sick in the streets, and besought Him that they might touch if it were but the border of His garment: and as many as touched Him were made whole.
Acts 10:38 KJV
How God anointed Jesus of Nazareth with the Holy Ghost and with power: who went about doing good, and healing all that were oppressed of the devil; for God was with Him.
We as Christ's disciples in the 21st century, are we to pray for the sick?
Matthew 10:1 KJV
And when He had called unto Him His twelve disciples, He gave them power against unclean spirits, to cast them out, and to heal all manner of sickness and all manner of disease.
Luke 10:1,9 KJV
 After these things the Lord appointed other seventy also, and sent them two and two before His face into every city and place, whither He Himself would come.
 And heal the sick that are therein, and say unto them, The kingdom of God is come nigh unto you.
I Peter 2:24 KJV
Who His own self bare our sins in His own body on the tree, that we, being dead to sins, should live unto righteousness: by whose stripes ye were healed (Past tense, victory achieved, by the stripes of our Lord, (Isaiah 53:).
Psalm 103:3 KJV
Who forgiveth all thine iniquities; who healeth all thy diseases;
James 5:14,15 KJV
 Is any sick among you? let him call for the elders of the church; and let them pray over him, anointing him with oil in the name of The Lord:
 And the prayer of faith shall save the sick, and The Lord shall raise him up; and if he have committed sins, they shall be forgiven him.
Isaiah 58:6 KJV
Is not this the fast that I have chosen? to loose the bands of wickedness, to undo the heavy burdens, and to let the oppressed go free, and that ye break every yoke?
If ye shall ask any thing in My name, I will do it.