Dr. Robert G. Collum, M.D., Ph.D., is a physician specializing in internal medicine. He earned his medical degree and a Doctorate in Biochemistry from Columbia University, following a combined Bachelor's and Master's of Science in Molecular Biophysics & Biochemistry from Yale University. He completed his clinical residency training at Columbia Presbyterian Hospital in New York.
Dr. Robert G. Collum, M.D., Ph.D., is a physician specializing in internal medicine. He earned his medical degree and a Doctorate in Biochemistry from Columbia University, following a combined Bachelor's and Master's of Science in Molecular Biophysics & Biochemistry from Yale University. He completed his clinical residency training at Columbia Presbyterian Hospital in New York.
The reviews listed below were collected independently of Skylands Medical Group through rater8. Each review represents an authentic and verified patient experience.
Dr. Collum is very caring. Really listens to you.
(3 days ago)
Feb-2026
Always look forward to my visits with Dr Collum. Especially when my numbers are in line with my overall health
I take his health advice seriously.
(3 days ago)
Feb-2026
Absolutely wonderful doctor!
(1 week ago)
Feb-2026
Excellent doctor. I have been a patient of his since 1998. Very understanding and easy to talk to.
(1 week ago)
Feb-2026
He is great.
(1 week ago)
Feb-2026
He's an EXCELLENT doctor!!! I trust him and his recommendations. He's not just my doctor, he has helped me with physical and mental issues. I've been going to Dr. Collum for years. May God Bless him always 🙏
(1 week ago)
Feb-2026
Dr. Collum is one of the best doctors I have dealt with, he is very knowledgeable in his profession. He cares so much for his patients and has great bedside manner. He is always recommended by me to family and friends.
(1 week ago)
Feb-2026
Dr. Collum has been the best physician I’ve ever had to partner with my health care plan and needs. Very attentive and vested in my overall health and well being.
(2 weeks ago)
Feb-2026
Excellent visit, prompt, consiencouse exam with detailed explanation. True Professioanl.
(2 weeks ago)
Feb-2026
Excellent knowledge of patient record and test results, appropriate questions, listened carefully to patient, supportive
(2 weeks ago)
Feb-2026
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Skylands Medical Group Denville
16 Pocono Road Suite 317 Denville, NJ 07834
Dr. Robert G. Collum, M.D., Ph.D., graduated in June 1992 from Columbia University, New York, New York, where he earned his M.D. He completed his Internal Medicine internship in June 1993 at Columbia Presbyterian Hospital, New York, New York.
In June 1995, he completed his Internal Medicine Residency training at Columbia Presbyterian Hospital, New York, New York. In June 1984, he completed his B.S./M.S. in Molecular Biophysics & Biochemistry at Yale University, New Haven, Connecticut. In 1993, he received his Ph.D in Biochemistry at Columbia University, New York, New York.
Dr. Collum is very caring. Really listens to you.
Always look forward to my visits with Dr Collum. Especially when my numbers are in line with my overall health I take his health advice seriously.
Absolutely wonderful doctor!
Excellent doctor. I have been a patient of his since 1998. Very understanding and easy to talk to.
He is great.
He's an EXCELLENT doctor!!! I trust him and his recommendations. He's not just my doctor, he has helped me with physical and mental issues. I've been going to Dr. Collum for years. May God Bless him always 🙏
Dr. Collum is one of the best doctors I have dealt with, he is very knowledgeable in his profession. He cares so much for his patients and has great bedside manner. He is always recommended by me to family and friends.
Dr. Collum has been the best physician I’ve ever had to partner with my health care plan and needs. Very attentive and vested in my overall health and well being.
Excellent visit, prompt, consiencouse exam with detailed explanation. True Professioanl.
Excellent knowledge of patient record and test results, appropriate questions, listened carefully to patient, supportive