About ATUL LALANI. Atul Lalani is an internal medicine provider established in Scottsdale, Arizona and his medical specialization is internal medicine (endocrinology, diabetes & metabolism) with more than 34 years of experience. The NPI number of Atul Lalani is 1447231774 and was assigned on November 2005. The practitioner's primary taxonomy code is 207RE0101X with license number 33131 (AZ)..