New Search Patrick Johannes Mansky M.D. (301) 662-8477 Department Medicine Specialty Hematology & Oncology Primary Office Address: Frederick Health Medical Group - Oncology Care Consultants 1562 Opossumtown Pike Frederick, MD 21702 Phone: (301) 662-8477 Recommend this Physician Get Directions Education Medical School - University Witten/Herdecke Medical School Internship - Memorial Sloan Kettering Cancer Center Residency - Metro Health Medical Center Fellowship - National Cancer Institute, NIH Board Certifications American Board of Internal Medicine American Board of Internal Medicine American Board of Pediatrics