Orthopaedic Surgeon, Surgical Specialist
27 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 (3)

The overall average patient rating of Dr. Gregory Johnson is Good. Dr. Johnson has been reviewed by 8 patients who have provided 3 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 3.7
Courteous Staff 4.0
Accurate Diagnosis 4.0
Bedside Manner 4.0
Spends Time with Me 3.7
Follows Up After Visit 3.3

Specialties & Research

Dr. Gregory Johnson, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 5 areas:
  • Hip Osteoarthritis
  • Hip Surgery (Hip Replacement Arthroplasty)
  • Knee Osteoarthritis
  • Knee Surgery (Knee Replacement Arthroplasty)
  • Osteoarthritis (Hand and Wrist)

Education & Awards

Dr. Johnson graduated from Columbia University, New York.


Dr. Johnson has 11 hospital affiliations:

  • Caritas Holy Family Hospital & Medical Center 
  • Merrimack Valley Hospital 


  • French
  • Spanish
  • Italian
  • Armenian

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Additional Information
Dr. Gregory K Johnson MD is a male Orthopaedic Surgeon, has 27 years of experience and practices in Orthopaedic Surgery.
Where does Dr. Gregory K. Johnson practice?
Dr. Gregory Johnson has 3 office locations.
Dr. Gregory Johnson practices Orthopaedic Surgery near Haverhill, MA.
Additional practice locations include: North Andover, MA.
See Haverhill Orthopedic Surgeons.