The Doctor and the Libertine by Callie Hutton

Dr. Rayne Stevens has spent her entire life working toward following in her father’s footsteps and standing by his side in his medical clinic. Now that he has retired, she is the sole practitioner and is proud of what she’s accomplished, especially with the disdain she’s had to deal with due to being a woman in her chosen profession.
After a tragedy puts Lord Sterling into an emotional spin that results in years of dissipation, he believes he has reached his lowest point when he turns up unconscious on Dr. Steven’s doorsteps after being dumped there by his friends.
Suffering from injuries that keeps him in the clinic he begins to see the possibility of another life for himself. Now if he could only convince the beautiful, kind and caring doctor that he has turned the corner and is truly a different man.