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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 (1)

The overall average patient rating of Dr. Ray Haag is Excellent. Dr. Haag has been reviewed by 3 patients who have provided 1 comments. The rating is 4.5 out of 5 stars.

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

Specialties & Research

Dr. Ray Haag, MD is board certified in Orthopaedic Surgery.

  • He has special expertise in 2 areas:
  • Hip Osteoarthritis
  • Knee Osteoarthritis

Education & Awards

Dr. Haag graduated from Cornell University, New York.


Dr. Haag has 6 hospital affiliations:

  • North Shore University Hospital 
  • Good Samaritan Hospital Medical Center 


  • Spanish

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Additional Information
Dr. Ray Allen Haag MD is a male Orthopaedic Surgeon and practices in Orthopaedic Surgery.
Where does Dr. Ray A. Haag practice?
Dr. Ray Haag has 2 office locations.
Dr. Ray Haag practices Orthopaedic Surgery near Bay Shore, NY.
See Bay Shore Orthopedic Surgeons.