I need to have a medical treatment using massage to heal, can I go to a holistic massager?
If your doctor approves and/or recommends that you see a holistic massage therapist, Yes, you can see one.

FREQUENT QUESTIONS
If your doctor approves and/or recommends that you see a holistic massage therapist, Yes, you can see one.
I would say not, in this case it is better to go to your doctor because most likely you have done any damage to your muscle and going to a massager can worsen your clinical picture after the massage.