Mark Rippetoe’s Starting Strength, but higher reps for injury recovery?

I have pronated feet (now with inserts) and have been going to a physio to fix my back and neck issues caused by this from walking around for years without the inserts.

So, my physio reckons I can start lifting tomorrow, but he says to start at 15 reps and lower by 1 every week. So next week I will be doing 14 reps, etc.

Since I am new (weight trained before, but lack of diet knowledge meant no gains) I figure starting off with the basic Rippetoe workout is a good place to start.

Workout A
3×5 Squat
3×5 Bench Press
1×5 Deadlift

Workout B
3×5 Squat
3×5 Standing military press
3×5 Power cleans

You train on 3 nonconsecutive days per week.

So week 1 might look like:
Monday – Workout A
Wednesday – Workout B
Friday – Workout A

Week 2:
Monday – Workout B
Wednesday – Workout A
Friday – Workout B

Is it compatable with doing high reps, or should I be doing another workout plan?