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New Total Joint Center

With new capabilities, like gel injections and robotic procedures, OINJ offers a variety of expertise and treatment options to treat your specific diagnosis.

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Stay Healthy
and Enjoy Every Move

Follow our health blog for everyday tips & tricks.

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Orthopedic Urgent Care

Immediate care from our orthopedic specialists in Randolph, Morristown, and Hackettstown.

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New Randolph Location

Our new location in Randolph, NJ is now open! Schedule an appointment today or reach out to our new office.

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Back on Track

Our board-certified spine doctors are here to guide you towards the right solution for acute or chronic back pain.

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Centers of Excellence

We offer expert orthopedic care across multiple specialty areas, with dedicated service centers for Sports Medicine, Foot & Ankle, Spine and more.

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OINJ

OINJ
Locations

Visit these offices based on your geo-location:

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Morristown Office & Urgent Care Center + View office

95 Madison Ave
Suite 101
Morristown, NJ 07960

P: (908)-684-3005

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Randolph Office & Urgent Care Center + View office

711 Route 10E
Suite 100
Randolph, NJ 07869

P: 908-684-3005

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Hackettstown Bilby Rd. Office & Urgent Care Center + View office

Hackettstown Medical Arts Building
108 Bilby Road
Suite 201
Hackettstown, NJ 07840

P: (908) 684-3005

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Hackettstown Mountain Ave. Office View office

254B Mountain Avenue
Suite 201
Hackettstown, NJ 07840

P: (908) 684-3005

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Sparta Office View office

376 Lafayette Road
Suite 202
Sparta, NJ 07871

P: (908) 684-3005

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Newton Office View office

222 High Street
Suite 202
Newton, NJ 07860

P: (908) 684-3005

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Cedar Knolls Office View office

218 Ridgedale Avenue
Suite 202
Cedar Knolls, NJ 07927

P: (908) 684-3005

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Washington Satellite Office View office

279 Route 31
Washington, NJ 07882

P: (908) 684-3005

View All OINJ Locations

Caring for All Patients: Youth and Adult.

Injuries & Conditions

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Foot & Ankle

Foot & Ankle

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Knee

Knee

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Spine

Spine

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Shoulder

Shoulder

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Elbow

Elbow

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Hand & Wrist

Hand & Wrist

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Head

Head

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Physician

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Our Doctors

Dr. Christopher Castro

Dr. Christopher Castro is a Physiatrist with interventional training performing Pain Management services for The Orthopedic Institute of New Jersey.

Board certified by the American Board of Physical Medicine and Rehabilitation, Dr. Castro has expertise in: Non-operative spinal care, interventional spine procedures, pain management, occupational medicine, electrodiagnostic studies

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Dr. Christopher Castro

Our Patients

The Allison Decker Story

Now I Can

I had excruciating pain, and numbness and tingling in my feet. NOW I CAN live a happy, healthy life full of running, walking, and doing things that add to an overall quality of life.

OINJ News & Events

May 12, 2022

What Is Sacroiliac Joint Pain and What Can You Do About It?

What is sacroiliac joint pain and what are its causes? How do you recognize the symptoms and why is it so important to seek medical help? Let’s find out!

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May 10, 2022

Spring Sports Injury Recovery & Prevention

The career of a professional athlete is short compared to most professions. Here's Dr. Alex Shin of Orthopedic Institute of NJ's take on how one can extend it.

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May 4, 2022

All You Need to Know About Arthritis of the Hands

Arthritis of the hands is a painful inconvenience. If untreated it may grow into chronic pain and even result in a loss of function. Here’s what you need to know!

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Apr 15, 2022

Common Baseball Injuries and Prevention

In the last couple of years (especially since 2020), there has been a massive increase in the number of baseball injuries, even on a professional level. This translates across all positions (catchers, pitchers, fielders, batters, and baserunners). Now, some say that the biggest reason is the length of the season, however, there’s something hazardous about the nature of the game, as well.

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Apr 12, 2022

Robotic Total Joint Replacement

Hip and knee arthritis can be a debilitating problem for our patients and can prevent them from leading a healthy and comfortable life. Hip and knee replacement surgeries have proven to be an effective method to rejuvenate the joint for this problem.

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Mar 30, 2022

Achilles Tendon Pain: Causes, Symptoms, and Treatment

The achilles tendon is the largest tendon in the body, connecting the calf to the back of the heel. The health of this tendon is integral not only in sports, but also in everyday function as its main function is to lift the heel off the ground in order to push off during walking, running, and jumping.

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Mar 25, 2022

Sprained Ankle Treatment: When Is It Time to See a Doctor?

It’s hard to imagine a person who has never sprained an ankle. After all, all it takes is a single bad step, even on the best of terrains. However, for the majority of people, the recovery process involves applying some ice to the injured area and a brief period of rest.

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