A. From June 30, 2010, the Plaintiff, as a doctor, established and operated a “Cansan Hospital” (hereinafter “instant hospital”) which is a health care institution under the National Health Insurance Act on the third and third floor of Ulsan-gu, Ulsan-gu.

B. On April 25, 2013, the Defendant National Health Insurance Corporation (hereinafter “Defendant Corporation”) received information on civil petitions, and conducted on-site verifications with respect to the instant hospital (hereinafter “on-site verification”). As a result, on August 19, 2013, Defendant Minister of Health and Welfare (hereinafter “Defendant Minister”) requested the instant hospital to conduct on-site verifications with respect to the instant hospital.

C. The Defendant Minister conducted a field investigation on the instant hospital from May 19, 2014 to the 27th day of the same month (the period subject to investigation: January 2012 to March 201, August 8-10, and January through March 3, 2014; hereinafter “instant field investigation”) and thereafter, conducted a field investigation on the instant hospital (the period subject to investigation was extended to April 201 to March 201, and March 2014; hereinafter “instant field investigation”). As a result, the Plaintiff was unjustly claiming for medical care benefit costs as follows.

2. Details of unfair amount calculation;

(a) Unfair amount: 46,856,950 won;

B. A double claim for medical care benefit costs and unfair claims: 29,182,261 won - 29,182,261 won - A medical care benefit claim for medical care benefit costs, examination fees, etc. (hereinafter “reason 1 for Disposition”) - Medical care benefit cost claim for medical care benefit costs by issuing medical care benefit costs and claiming pharmacy medication costs (hereinafter “reason 2 for Disposition 2”), even if the surgery was performed in installments on a day, and collected the costs from the winners as non-benefit, and even if the costs were collected as non-benefit to the winners, it was recorded as a medical care benefit claim on a different day and recorded as a medical care benefit claim.