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. Ray Haag:
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- Currently 3.5 of 4 stars
The overall average patient rating of Dr. Ray Haag is Excellent.
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Specialties & Research
Dr. Ray Haag, MD is board certified in Orthopaedic Surgery.
- He has special expertise in 3 areas:
- Hip Osteoarthritis
- Knee Osteoarthritis
- Osteoarthritis (Hand and Wrist)
Education & Awards
Dr. Haag graduated from Cornell University, New York.
Dr. Haag has 6 hospital affiliations:
- North Shore/Long Island Jewish Hospital System - Southside Hospital
- Good Samaritan Hospital Medical Center
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- Additional Information
- Where does Dr. Ray A. Haag practice?
Dr. Ray Haag practices Orthopaedic Surgery near Bay Shore, NY.
See Bay Shore Surgeons.