Joseph J. Nissim, M.D. Joseph J. Nissim, M.D. (303) 415-4155 Primary Specialties Internal Medicine Medical Groups & Affiliations Frontier Internal Medicine SHARE 4.9 out of 5 ( 114 Ratings) How The Ratings Are Compiled Comments 14-Dec-2018 Dr. Nissim is always on time and listens to all your questions. 25 Total Comments Page 1 2 3 4 5 Next Comments 13-Dec-2018 DR NISSIM IS A GREAT DOCTOR. MY VERY FAVORITE DOCTOR EVER. 25 Total Comments Page 1 2 3 4 5 Next Comments 21-Nov-2018 Dr. Nissim has treated me for the past 20 years. 25 Total Comments Page 1 2 3 4 5 Next Comments 18-Nov-2018 Hi, the provider I seen is very caring, very interested and always prepares before seeing a patient. He knows history. So he doesn't even have to check files, which I'm very surprised that he prepares himself before talking to patients. And also he's very knowledgeable. He conservative very very very knowledgeable. I'm very glad I have him as my primary provider. Thank you. Thank you. 25 Total Comments Page 1 2 3 4 5 Next Comments 30-Oct-2018 Dr. Nissim is an excellent physician. He knows me and knows what’s going on with me. He will call me after hours or even on the weekend to give me updates on labs or other tests which I participated in. This recent visit was typical of his exemplary and professional demeanor. 25 Total Comments Page 1 2 3 4 5 Next Primary Office Address Frontier Internal Medicine 2101 Ken Pratt Boulevard, Suite 104 Longmont, CO 80501 Get Directions Phone (303) 415-4155 Fax (303) 776-3109 About Physician Bio Dr. Nissim is board certified in internal medicine. He graduated from Rush Medical College in Chicago and completed his residency at Presbyterian/St. Luke’s Hospital in Denver. He has been with Frontier Internal Medicine since its inception in 1987. Dr. Nissim believes in building strong relationships with his patients by discussing treatment philosophies and mutual expectations in the initial visit. In his free time, Dr. Nissim is an avid swimmer and enjoys spending time outdoors. Education Medical School Rush Medical College of Rush Univ Residency Presbyterian St. Luke's