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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 (5)

The overall average patient rating of Dr. Mark Cohen is Below Average. Dr. Cohen has been reviewed by 13 patients who have provided 5 comments. The rating is 1.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.1
Promptness 2.5
Courteous Staff 3.1
Accurate Diagnosis 1.4
Bedside Manner 1.0
Spends Time with Me 1.1
Follows Up After Visit 1.2

Specialties & Research

Dr. Mark Cohen, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 4 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis
  • Osteoarthritis (Hand and Wrist)
  • Physical Therapy Modalities

Education & Awards

Dr. Cohen graduated from New York University - Mount Sinai.


Dr. Cohen has 6 hospital affiliations:

  • Howard County General Hospital 
  • St Lukes Northland Hospital 


  • Spanish
  • English

> > > > Dr. Mark Cohen, MD

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Additional Information
Dr. Mark Alan Cohen MD is a male Orthopaedic Surgeon, has 24 years of experience and practices in Orthopaedic Surgery.
Where does Dr. Mark A. Cohen practice?
Dr. Mark Cohen has 6 office locations.
Dr. Mark Cohen practices Orthopaedic Surgery near Ellicott City, MD.
Additional practice locations include: Kansas City, MO and Laurel, MD.
See Ellicott City Surgeons.