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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 (11)

The overall average patient rating of Dr. Carl Deirmengian is Excellent. Dr. Deirmengian has been reviewed by 50 patients who have provided 11 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.6
Courteous Staff 4.7
Accurate Diagnosis 4.7
Bedside Manner 4.9
Spends Time with Me 4.7
Follows Up After Visit 4.6

Specialties & Research

Dr. Carl Deirmengian, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 5 areas:
  • Arthroscopic Surgery (Arthroscopy)
  • Hip Osteoarthritis
  • Hip Surgery (Hip Replacement Arthroplasty)
  • Knee Osteoarthritis
  • Knee Surgery (Knee Replacement Arthroplasty)

Education & Awards

Dr. Deirmengian graduated from Harvard University , Boston. He has 21 awards.

Administrative Chief Resident - Univ. of PA Dept. of Orthopaedics (2004)
DeForest Willard Award to Outstanding Chief Resident – University of Pennsylvania
OREF/Bayer Pharmaceuticals Resident Research Award. Co-Investigator. (2005)
Leonard Marmor Award in Joint Arthroplasty - Univ of PA (2004)
OREF/Bayer Pharmaceuticals Resident Research Award
DeForest Willard Award for Performance as Outstanding Chief Resident (Univ. of PA) (2005)
Best Fellow Research Award – Rush University Medical Center
Mark Coventry Award for Basic Science Research – Knee Society
OREF/Zimmer Career Development Award
American Academy of Orthopaedic Surgeons (2006)
Arthroscopy Association of North America - Resident/Fellow Essay Award. Principal Investigator. (2005)
Leonard Marmor Award in Joint Arthroplasty – University of Pennsylvania
OREF Resident Research Award
OREF Resident Research Grant Award. Principal Investigator. (2004)
Smith and Nephew National Resident Research Competition. Principal Investigator (2004)
OREF/Zimmer Career Development Award. Principal Investigator. (2005)
Castle Connolly's Top Doctors™ (2013)
Patients' Choice Award (2011 - 2014)
Compassionate Doctor Recognition (2011 - 2014)
Top 10 Doctor - Metro Area (2014)
Delaware Valley
Orthopaedic Surgeon
On-Time Doctor Award (2014)


Dr. Deirmengian has 4 hospital affiliations:

  • Main Line Hospital Lankenau 
  • Lankenau Hospital - On staff since 2006 


  • Spanish
  • Armenian

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Additional Information
Dr. Carl Deirmengian MD is a male Orthopaedic Surgeon, has 11 years of experience and practices in Orthopaedic Surgery.
Where does Dr. Carl Deirmengian practice?
Dr. Carl Deirmengian has 2 office locations.
Dr. Carl Deirmengian practices Orthopaedic Surgery near Wynnewood, PA.
Additional practice locations include: Limerick, PA.
See Wynnewood Orthopedic Surgeons.