Medical Coding Specialist Instructors

Gregory Latterell, Medical Coding Instructor

Gregory Latterell

Medical Coding Instructor
320-762-4473 | Bio

Greg and his wife, Ann, live in Avon, Minnesota.


  • Certified Coding Specialist, Physician Based
  • A.A.S. Degree Finance and Credit, St. Cloud Technical College

Occupational History

  • Medical Administrative/Coding Instructor, Alexandria Technical & Community College
  • Medical Coding Program Director, Herzing College, Minneapolis
  • Over 20 years of Medical Administrative experience in hospitals and clinics
  • U.S. Air Force Instructor and Explosive ordinance disposal specialist
Lindsey Maass, Medical Administrative Specialist Instructor

Lindsey Maass

Healthcare Administrative Specialist Instructor
320-762-4515 | Bio

Lindsey Maass started as an instructor with ATCC in 2013. Before starting at ATCC she was a medical receptionist and medical coder for the Alexandria Clinic in Alexandria, MN for 4 years. She also has professional experience in medical records and insurance.


  • Medical Administrative Specialist, AAS degree
  • Medical Coding Specialist, diploma

Occupational History

  • Alexandria Clinic in Alexandria, MN – Medical Coding, Medical Reception
  • Prairie Ridge in Morris, MN and Elbow Lake, MN – Medical Records, Health Insurance


  • Certified Professional Coder from AAPC (American Association of Professional Coders)

Professional Memberships

  • Member of AAPC (American Association of Professional Coders)