Dr. Ajay Kumar, MD

Dr. Ajay Kumar, MD

Pain Management Specialist
57 US-46, Suite 105, Hackettstown, NJ
4.37
“ I have been to see Dr Kumar several times before. He has always got me out of pain. My last visit was for sciatic nerve pain. I wanted to die I was in so much pain. He provided great care and the perfect medication to help stop the pain. I will always use Dr Kumar. ”
Alicia K.October 14, 2025
Patients often return
More patients return than other providers in the area
New patient appointments
Appointments available for new patients on Zocdoc

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What patients are saying

Overall rating

4.37

Average wait time

4.32

Bedside manner

4.48
“ I have been to see Dr Kumar several times before. He has always got me out of pain. My last visit was for sciatic nerve pain. I wanted to die I was in so much pain. He provided great care and the perfect medication to help stop the pain. I will always use Dr Kumar. ”
Alicia K.October 14, 2025
“Nice friendly staff. And Dr Kumar was a good listener and he gave me lots of options and took care of everything that I went in the office for! Definitely will continue to go there ! ”
Eileen V.December 16, 2024

About Dr. Ajay Kumar

Please note: we do not accept self-pay patients. Dr. Ajay Kumar earned his Bachelor of Medicine, Bachelor of Surgery, and Doctorate in Medicine from the prestigious All India Institute of Medical Sciences, New Delhi, India. He completed his residency in Physical Medicine and Rehabilitation at Temple University Hospital, Philadelphia. He is fellowship-trained in Interventional Pain Medicine and is board certified in Physical Medicine as well as a diplomate of the American Board of Pain Medicine. Previously, he was an orthopedic surgeon in India. Dr. Kumar has specialized training in fluoroscopic and ultrasound-guided minimally invasive pain procedures. He is one of the few physicians in New Jersey and Pennsylvania with extensive expertise in prolotherapy and platelet-rich plasma (PRP) injections, along with Spinal Cord Stimulation and the Vertiflex procedure. He works closely with patients to offer various solutions tailored to their individual problems. He also has extensive experience performing NCV/EMG studies to diagnose the cause of pain. Dr. Kumar is a member of The International Spinal Injection Society and the American Society of Interventional Pain Physicians. His strengths include the ability to diagnose difficult cases and provide sensible, logical, and safe treatment options. He understands and respects the body’s natural ability to heal itself, which forms the basis of his treatment protocols. Dr. Kumar embraces multidisciplinary care, including physical therapy, chiropractic care, and nutrition, to help patients not only recover but also maintain long-term health.

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Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Fibromyalgia and chronic pain and fatigue
Arthritis
Injection for back pain
Pain in joint
Lower back pain
Fibromyalgia and chronic pain and fatigue
Arthritis
Injection for back pain
Pain in joint

Office locations

New Jersey Advanced Pain Management Center (1 of 3)
57 US-46, Suite 105, Hackettstown, NJ 07840
New Jersey Advanced Pain Management Center (2 of 3)
45 Ronald Reagan Blvd, Warwick, NY 10990
New Jersey Advanced Pain Management Center (3 of 3)
905 Pennsylvania Ave, Suite B, Matamoras, PA 18336
1 of 3

Education and background

Practice names

Board certifications

  • American Board of Physical Medicine and Rehabilitation
  • American Board of Pain Medicine

Education and training

  • Medical School - All India Institute of Medical Sciences, New Delhi, Bachelor of Medicine, Bachelor of Surgery
  • Temple University Hospital, Residency in Physical Medicine and Rehabilitation

Languages spoken

  • English

Provider's gender

Male

NPI number

1871545111

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.37
Wait time
4.32
Bedside manner
4.48
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62 reviews
Most relevant
Staff extremely friendly and knowledgeable. Dr Kumar was able to provide immediate pain relief during the first visit.
Verified patient
Great! Got in right away. Staff extremely nice & helpful. DR addresse everything clearly & quickly Highly recommend
All he wants is your money. He is a sham. Drug dealer. Sketchy office and location. DIRTY!!!! But he will take your money.
He was very thorough and professional. He answered questions and gave detailed explanations.
Verified patient
Staff is very helpful. Dr. Kumar is very patient and talks me through everything.
The doctor and staff are amazing. I highly recommend Dr Kumar.
They did not properly inform me that my appointment was cancelled.
Verified patient
Great visit alway helpful to my needs and excellent staff
Excellent, always kind & listens. Staff is exceptional.
Very good, the doctor is very nice and very helpful.
Excellent service. Dr. listens carefully to patient.
I have been to see Dr Kumar several times before. He has always got me out of pain. My last visit was for sciatic nerve pain. I wanted to die I was in so much pain. He provided great care and the perfect medication to help stop the pain. I will always use Dr Kumar.
Verified patient
Visit was fine enough.
Verified patient
The dr was a no show for 2 apps same day. I booked an appointment because of extreme pain. I left messages and h e never returned my call. Never again for zoc doc
No show. Left 6 messages and called 8 times and not enough care or response to return 1 cal. Zocdoc is awful and going to spread the word. I wouldn't take my pet here for care. There is none. NEVER again
Verified patient
Nice friendly staff. And Dr Kumar was a good listener and he gave me lots of options and took care of everything that I went in the office for! Definitely will continue to go there !
Verified patient
Very pleasant doctor and staff. Very efficient!
Verified patient
Very understanding
Verified patient
Thorough and knowledgeable
Verified patient
Great I highly recommend this Dr
Verified patient
The doctor and staff all listened and were compassionate to my pain. The doctor is not a narcotic pusher. I liked the staff. I would hire them. lol
Verified patient
This and all visits are awesome and friendly.. I've been a patient about several years and has helped my issues substantially. Between the Doc and staff it's a BIG thumbs up..
outstanding
Amazing!! Everyone is awesome
Amazing! I have been going to Dr. Kumar for nine yrs and this visit as always you will find a warm, caring and so attentive to your pain issues. He has helped me so much! He stands for what a pain management Dr. should be!!! Staff as always fantastic! caring always helpful
The Dr is wonderful and keeps me well informed
Very good as always
Dr. Kumar stands out as a doctor who truly takes the time & cares for his patients. He is always looking for ways to help with my lifelong condition & I highly recomend him in the Tri State Area.
Good everything good
Good visit, professional & courteous. Dr. Kumar does what is needed to manage pain & ensures you feel comfortable & safe. The staff is pleasant & amazing. Overall "A"+++.
Dr Kumamoto was very thorough in his assessment of my problem, familiarized himself with my medical information I brought, and came up with a plan of action.
Verified patient
Dr. Kumar is a professional.
Everyone was so very nice. Even though Dr could not help me, he was able to help my daughter! Sometimes insurance gets in the way of a great Dr. Come to find out, he was also my son's Dr. until insurance got in the way also. This family thinks everyone in that office is wonderful !!! Happy Holidays ????
Verified patient
I am very happy. Dr. Kumar is the most kind and gentil Dr. I ever known. He understands my situation and cares for me. I will recomend him every where I go and find people in need of a pain management Dr.
Very good.
I thought my visit was good. The staff is very pleasent. My problems were addressed and I left feeling better than when I came in.
Perfect.
My visits are always good w/ Dr. Kumar.
Verified patient
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Frequently asked questions

How soon can I make an appointment with Dr. Ajay Kumar?

Generally, Dr. Ajay Kumar has appointments available on Zocdoc within 1 week. You can see Dr. Kumar's earliest availability on Zocdoc and make an appointment online.

Is Dr. Ajay Kumar accepting new patients?

Dr. Ajay Kumar generally accepts new patients on Zocdoc. You can see Dr. Kumar's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Ajay Kumar accept my insurance?

Choose your insurance plan to verify if Dr. Kumar is in-network.

Can I make an appointment with Dr. Ajay Kumar online?

Yes, you can make an appointment online with Dr. Kumar using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Ajay Kumar work with?

Where is Dr. Ajay Kumar's office located?

Dr. Ajay Kumar has 3 office locations, including in Hackettstown, Warwick, and Matamoras, view full addresses on Dr. Kumar's profile.

Which board certifications does Dr. Ajay Kumar have?

Dr. Ajay Kumar is certified by American Board of Physical Medicine and Rehabilitation and American Board of Pain Medicine.

What are common reasons for patients to see Dr. Ajay Kumar?

Dr. Ajay Kumar frequently sees patients for Arthritis, Back Pain, Knee Problems, Pain Management Consultation, and Sports Injury. You can see other visit reasons for Dr. Ajay Kumar on their profile.

What languages does Dr. Ajay Kumar speak?

Dr. Ajay Kumar speaks English.

How do patients rate Dr. Ajay Kumar in reviews?

62 patients have reviewed Dr. Ajay Kumar. The overall rating for this doctor is 4.37/5. They have a 4.48/5 rating for bedside manner and a 4.32/5 rating for wait time. You can read individual reviews and ratings on their profile.