Dr. John L Hahn is an obstetrics/gynecology specialist in Petersburg, West Virginia (WV). She graduated from Marshall University School Medicine in 1983 and specializes in obstetrics/gynecology.
| Board certification | Obstetrics/gynecology |
| Gender | Female |
| Education | Graduated : 1983 School : Marshall University School Medicine |
| Hospital Affiliations | Grant Memorial Hospital |
| Potomac Valley Hospital |