Dr. John D Schaefer, MD is an otolaryngology specialist in Ogdensburg, New York (NY). He specializes in Otolaryngology.
| Board certification | Otolaryngology |
| Gender | Male |
| Education | Graduated : 1975 School : Other |
| Group Affiliations | Claxton Medical pc |
| Hospital Affiliations | ClaxtoN-Hepburn Medical Center |