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Orthopaedic Surgeon, Surgeon
9 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (7)

The overall average patient rating of Dr. Jonathan Nassos, Orthopaedic Surgeon, Surgeon is Excellent. Dr. Nassos has been reviewed by 17 patients who have provided 7 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 4.6
Courteous Staff 4.9
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

  • He has special expertise in 3 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)

Education & Awards

Dr. Nassos graduated from Loyola University Chicago, Maywood. He has 3 awards.

Patients' Choice Award (2014 - 2015)
Compassionate Doctor Recognition (2014 - 2015)
On-Time Doctor Award (2014 - 2015)


Dr. Nassos has 2 hospital affiliations:

  • Cedars-Sinai Medical Center 
  • Elmhurst Memorial Hospital 

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Additional Information
Dr. Jonathan T Nassos MD is a male Orthopaedic Surgeon, has 9 years of experience and practices in Orthopaedic Surgery and Sports Medicine.
Where does Dr. Jonathan T. Nassos practice?
Dr. Jonathan Nassos has 2 office locations.
Dr. Jonathan Nassos practices Orthopaedic Surgery and Sports Medicine near Pomona, CA.
Additional practice locations include: Van Nuys, CA.
See Pomona Orthopedic Surgeons.