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Surgical Specialist, Orthopaedic Surgeon
28 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).

Learn more about Dr. Gregory Johnson:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Gregory Johnson is Good. Dr. Johnson has been reviewed by 11 patients who have provided 4 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.5
Promptness 3.5
Courteous Staff 4.0
Accurate Diagnosis 4.1
Bedside Manner 3.7
Spends Time with Me 3.7
Follows Up After Visit 3.5

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

> > > > Dr. Gregory Johnson, MD

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Additional Information
Dr. Gregory K Johnson MD is a male Orthopaedic Surgeon, has 28 years of experience and practices in Orthopaedic Surgery.
Where does Dr. Gregory K. Johnson practice?
Dr. Gregory Johnson has 1 office location.
Dr. Gregory Johnson practices Orthopaedic Surgery near Haverhill, MA.
See Haverhill Surgeons.