Hip
Expert care to get you moving again.
From conservative treatment to advanced surgery, Dr. Michael Ast brings dedicated, compassionate orthopedic care to Paramus.
What Dr. Ast treats

Care for the hip, knee, shoulder
Each condition and procedure below has its own page: what it is, the options from simplest to surgical, and what recovery looks like.
Hip
Knee
Knee
Meniscus tear, ACL tear, total knee replacement and partial knee replacement.
Conditions
Shoulder
Ankle
You do not need a diagnosis to book. The first visit is where the cause is found.
Start with the simplest treatment that works
Care starts with a clear diagnosis and the simplest option that fits your goals. When surgery is the right step, it is planned around you and explained in full before anything is scheduled.
Listen first
Begin with what changed, what hurts and what matters to you.
Make the diagnosis clear
Review the examination and imaging in plain language.
Compare the options
Consider non-surgical and surgical choices in a sensible order.
Plan the next step
Leave with a clear understanding of what comes next.
Treating the person, not just the condition.
Michael Ast · Orthopedic surgeonMichael Ast, MD treats patients in Paramus, New Jersey, with a practice centered on knee and hip joint replacement.
- Medical schoolTemple University School of MedicineDoctor of Medicine
- ResidencyNorth Shore - LIJ Health SystemOrthopedic Surgery
- FellowshipHospital for Special SurgeryAdult Reconstruction and Joint Replacement surgery
- Board certifiedAmerican Board of Orthopaedic Surgery
- Hospital for Special Surgery · Paramus
Understand the options
The main treatments in this practice, each with a full explanation of who it helps and what recovery looks like.
A clear path from first call to plan
- 01Request a visitCall the office or use the booking link to choose a time.
- 02Bring your recordsImaging, prior reports and a medication list help make the first visit useful.
- 03Examination and discussionAn exam and a plain explanation of what is going on.
- 04Decide togetherThe options are laid out so you can choose the plan that fits.
Plan your next step
Your first visitWhat to bring and what happens→Preparing for surgeryThe weeks before and the day of→Insurance and billingCoverage, referrals and estimates→FAQsAnswers to common questions→For referring physiciansHow to refer a patient→In-depth guides

Total Knee Replacement
Who it helps, how it is done and what recovery looks like.

Partial Knee Replacement
Who it helps, how it is done and what recovery looks like.

Total Hip Replacement
Who it helps, how it is done and what recovery looks like.
Before your first visit
If your question is not here, the office is glad to help by phone.
Does Dr. Ast perform knee replacement surgery?+
Does Dr. Ast perform hip replacement surgery?+
Does Dr. Ast use robotic-assisted technology for joint replacement?+
Is sports medicine part of Dr. Ast's practice?+
Where did Dr. Ast complete his training in joint replacement?+
Is Dr. Ast accepting new patients in Paramus?+
HSS Paramus - Midland Ave
15 E. Midland Ave.
Suite 1A, Paramus, NJ 07652
Phone(201) 599-8056
Ready to talk about your care?
Call the office or request an appointment. Accepting new patients.