Gregg Klein, MD
Hip and Knee Orthopedic Surgery
doctors.hackensackmeridianhealth.org
4.9 out of 5
551 verified ratings
551 Ratings, 119 Comments
The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Jun 24, 2026
Dr Klein was seen for the first time this week. I was given a script for an mri and we will see what happens in time.
Jun 24, 2026
Dr Klein was very patient. He took his time and I didn’t feel rushed at all
Jun 19, 2026
Dr. Klein is not only well versed in his area of expertise and explaining it but he has great bedside manners. His staff are also in this wavelength, making the visit or surgery experience easier to handle from the patient perspective.
Jun 19, 2026
Dr Klein is the best doctor he is caring very courteous very professional very kind listens to and your problems he is the best.
Jun 10, 2026
Dr. Klein was reassuring and a clear communicator. I felt comfortable with him and confident.
Jun 8, 2026
He’s great! He preformed my S-I-L’s knee and she was walking without pain before anyone I knew with a knee replacement
Jun 6, 2026
Doctor Klein discharged me with, "live your life and have fun. If you need me, I'm here."
Jun 4, 2026
Very personable & very knowledgeable.
May 27, 2026
great dr great practice
May 27, 2026
I have had four surgeries y Dr. Klein.
May 26, 2026
I found Dr. Klein through a recommendation.
May 14, 2026
I give my Thanks to everyone especially my Doctor for all the help and information provided for my upcoming surgery
May 7, 2026
Very interested and knowledgeable about my condition
May 4, 2026
Awesome
Apr 25, 2026
Excellent
Apr 25, 2026
Excellent Care amazing Dr. Love this practice.
Apr 23, 2026
I am looking forward to my surgery with Dr. Klein. I know I made the correct choice for my surgery.
Apr 23, 2026
Good
Apr 12, 2026
I may need the other hip joint replaced within the next few years, and if so, I will definitely go back to Dr. Klein.
Apr 10, 2026
recommend everyone highly especially Dr. Klein
Apr 10, 2026
Littered to me very well n explained well
Apr 7, 2026
Dr Klein was amazing throughout the process! He put me at ease with his knowledge, compassion and confidence.
Apr 1, 2026
Very positive experience. Have great confidence in Dr. Klein
Mar 30, 2026
When I first contacted them about my right knees, the staff listened carefully to me and communicated to Dr Klein and got back to me with a closer appointment as I felt with knee pain 16 years and I was unable to put any weight on it.
Mar 18, 2026
Everyone is very friendly and professional
Mar 16, 2026
Dr Klein replaced my right knee , and after 3 months i am doing well. i am grateful for the care that i received from Dr Klein and his team at HMH !!
Mar 13, 2026
All staff, recovery room, ortho floor were exveptional
Mar 9, 2026
Offices are very efficient. Staff friendly and listen to your concerns
Mar 9, 2026
I have already recommended Dr Klein and his wonderful staff to many friends and members of my family. I trust him with my wellbeing.
Mar 3, 2026
Would highly recommend Dr Klein
Mar 2, 2026
Knowledgeable and excellent in outlining his plan
Feb 22, 2026
Dr Gregg Klein is the GOAT!
Feb 20, 2026
Dr. Gregg Klein and his staff were great! They were professional and made me feel comfortable and cared for. They explained everything to me that I need to know.
Feb 20, 2026
Dr. Gregg Klein and his staff were with me from beginning to end of my total knee replacement. They are all professional and I can see that they sincerely care about me! I could contact them any time, 24-7, with any concerns I have. They checked in on me throughout my recovery to make sure I was doing well. I am so grateful to everyone!! Thank you all!
Feb 11, 2026
Kind and professional staff
Feb 3, 2026
Dr. Klein knows what he's doing.
Feb 3, 2026
As stated previously All Staff members were very professional and explained everything in a manner which was understandable
Feb 2, 2026
When I arrived for my appointment I did not have to wait at all—I was seen promptly upon arrival. The receptionist and nursing staff were kind, friendly, helpful, and very professional, which made the visit comfortable from start to finish. Dr. Klein provided excellent care and was extremely knowledgeable, professional, and empathetic. He took the time to listen to my concerns, explained everything clearly, and never made me feel rushed. Overall, the care I received was outstanding.
Jan 31, 2026
Dr Klein went above by notifying my Private Health provider of my on going treatment. He has changed direction of my medical treatment for other conditions.
Jan 29, 2026
I did end up recommending the Doctor to people who are in far worse shape than me. His treatment worked for now.
Jan 27, 2026
It was a very god experience The staff was respectful polite and caring
Jan 26, 2026
It’s always a great experience seeing Dr Klein. I really trust his opinion and recommendations!
Jan 17, 2026
Dr. Klein was understanding and I appreciate his years of experience dealing with decrepit knees!
Jan 13, 2026
I trust Dr Klein and would recommend every one with the heart beat he was excellent very kind very professional and listened to my concern he is the best doctor.
Dec 8, 2025
Dr. Klein and his team work like a well oiled machine. They know exactly what they're doing. They put you at ease and explain exactly what they're doing and what to expect.
Dec 4, 2025
Dr. Klein is an absolutely wonderful doctor. He is extremely professional. He is extremely, he extremely, he made my visit with him comfortable and me being very, very nervous and frightened, he gave me the confidence that I needed to go and have my surgery. He's a wonderful person and a wonderful doctor.
Dec 4, 2025
Thanks
Dec 2, 2025
Very professional, providing excellent surgical care
Nov 25, 2025
Dr. Klein is fantastic. He is punctual, listens, shows concern, explains things. I could go on and on. I have recommended him to numerous friends of mine.
Nov 25, 2025
I'm completely satisfied with my provider