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. John Slingsby:
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Specialties & Research
Dr. John Slingsby, MD is board certified in Ophthalmology.
- He has special expertise in 3 areas:
- Cataract Surgery
- Retina Surgery
- Retinal Disorders
Education & Awards
Dr. Slingsby graduated from Emory University , Atlanta.
Dr. Slingsby has 7 hospital affiliations:
- Gettysburg Memorial Hospital - CAH
- St Marys Hospital - Pierre
Accepted Insurance Plans
Dr. Slingsby accepts these health insurances in at least one office:
- United Healthcare - 20 plans
- Medica Health Plans - 7 plans
- DAKOTACARE - 1 plan
- Cigna - 2 plans