
Highlights
Languages
- English
Gender
MaleAbout
VMG Provider
Yes

Bio
What are some of the specific conditions you treat?
Dementia, Alzheimer's disease, polypharmacy and mediation management in the elderly.
Describe some of your professional highlights.
Brown University BA Biomedical Ethics 1982. SUNY Health Science Center, Syracuse NY 1986. Hartford Hospital Medical Residency 1986-1989. Fellowship in Geriatric Medicine, Mt Sinai Medical Center 1989-1991.
Title(s)
Medical Director, Geriatric Services, Valley Medical Group
Insurances Accepted
ColigoCare
ColigoCare is a network of physicians working collectively to provide the highest quality care to patients and the community

Locations
- VMG Geriatrics - Glen Rock
- 85 Harristown Road, Suite 202, Glen Rock, NJ 07452
- Get Directions
- phone: 201-689-3877
- fax: 201-389-3896
Expertise
Education
- Fellowship: Mount Sinai Medical Center, Geriatric Medicine, 1991
- Residency: Hartford Hospital, Internal Medicine, 1989
- Doctor of Medicine: State University Of New York, 1986
- Bachelor of Arts: Brown University, 1982
Ratings & Reviews
5 out of 5
79 ratings, 18 reviewsThe Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
- 5 out of 5 starsReviewed on 2/22/2026
We have been with same doctor for decades
- 5 out of 5 starsReviewed on 2/7/2026
Good
- 5 out of 5 starsReviewed on 1/31/2026
The I have MD Leifer for [...] years and he is the BEST. [...]
- 5 out of 5 starsReviewed on 1/30/2026
Dr Leifer is the best
- 5 out of 5 starsReviewed on 1/20/2026
I have been a patient of Dr. Leifer for many years, always satisfied, a very kind and caring doctor.
- 5 out of 5 starsReviewed on 12/17/2025
Dr. Leifer is a consummate professional, always listens and provides direct answers and advice. Always responds to questions and emails. Takes a personal interest in his patients, and demonstrates a serious application of attention to health concerns and the best possible treatment for same. I feel like he is my brother rather than just my dr.
- 5 out of 5 starsReviewed on 11/11/2025
I am very comfortable and extremely confident with Dr. Leifer.
- 5 out of 5 starsReviewed on 11/8/2025
Excellent
- 5 out of 5 starsReviewed on 10/24/2025
Dr Leifer and nurse answered all my questions
- 5 out of 5 starsReviewed on 10/10/2025
Outstanding doctor.
- 5 out of 5 starsReviewed on 10/9/2025
Good experience as always.
- 5 out of 5 starsReviewed on 9/14/2025
Dr.Leifer an excellent Physician Who has taken care of me for years. He is knowledgeableand empathetic.
- 5 out of 5 starsReviewed on 9/13/2025
Dr. Bennett Leifer is primary care provider. Dr. Leifer has always provided me with excellent health care and attention. He has always responded to my questions and has always provided me with excellent answers and advice. Dr. Leifer has exceptional knowledge and experience as well as very kind and friendly. Additionally, he has been the primary care provider for the as well as husband. My husband and I fully recommend Dr. Leifer for any one who wants to remain healthy and happy. Thank you very much, Dr. Leifer.
- 5 out of 5 starsReviewed on 9/1/2025
Dr Leifer's care, concern and knowledge goes above and beyond any doctor I have ever seen.
- 5 out of 5 starsReviewed on 8/22/2025
Dr. Leifer is the best.
- 5 out of 5 starsReviewed on 8/20/2025
Very nice and very pleasant.
- 5 out of 5 starsReviewed on 6/24/2025
Dr. Leifer is an excellent doctor who is not only extremely knowledgeable and professional, but is also a lovely person.
- 5 out of 5 starsReviewed on 5/31/2025
Dr Leifer is outstanding in all aspects