Dr. John R Gavencak, MD is an allergy/immunology specialist in Whitestone, New York (NY). He graduated from New York Medical College in 1974 and specializes in allergy/immunology.
| Board certification | Allergy/Immunology |
| Gender | Male |
| Education | Graduated : 1974 School : New York Medical College |
| Group Affiliations | New York Internal Medicine pc |