Class: Faker::Medical::NPI

Inherits:
Base
  • Object
show all
Defined in:
lib/faker/medical/npi.rb

Class Method Summary collapse

Class Method Details

.npi ⇒ Object 



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# File 'lib/faker/medical/npi.rb', line 5

def npi
  x = []

  10.times do
    x << rand(10)
  end

  x.join
end

.valid?(num) ⇒ Boolean

TODO: Use the Luhn algorithm to validate the NPI (by prefixing 80840)

Returns:

  • (Boolean) 


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# File 'lib/faker/medical/npi.rb', line 16

def valid?(num)
  odd = false
  num.to_s.gsub(/\D/,'').reverse.split('').map(&:to_i).collect { |d|
    d *= 2 if odd = !odd
    d > 9 ? d - 9 : d
  }.inject(:+) % 10 == 0
end