Joseph M. Hahn, MD Accepting New Patients 4.6 out of 5 58 Ratings , 1 Comments VIEW ALL COMMENTS NPI Number: 1366653867 Primary Specialty: Orthopedic Surgery (Board Certified) Return to WCVM Home Medical Interests Areas of Interest: ArthritisArthroscopic SurgeryFracturesJoint ReplacementOsteoporosisSports MedicineTrauma Affiliations Hampshire Memorial Hospital War Memorial Hospital Valley Health War Memorial Hospital Multispecialty Clinic Education Board Certification Board Certified in Orthopedic Surgery Reviews 01/07/2024 He is a very good doctor