You can charge for mileage to and from all docs, hospitals, therapists; you cannot charge for going to your lawyer or to the WCB. You can also submit bills for out of pocket expenses like prescriptions, braces, etc.
The amount per mile you can charge depends on your date of accident. Check the WCB web site for the list.
The foregoing is based on the little information provided; additional facts may change the comments given.
Since 2011 the mileage reimbursement has been 55 cents per mile in New York State. You are paid to go and return from the doctors, physical therapy or the carrier IME. You should submit your request on a regular basis and may if you wish use board form C-257
Please remember the answer to this question is in general and without knowledge to the specific facts of your case. You should not rely on this answer when making important life decisions and seek a legal opinion based on your particular facts and circumstances.