Mark Lassise, MD

Mark Lassise, MD

Psychiatry, TeleMedicine, Virtual Visits

Primary Contact

641-494-5170

About

Dr. Lassise is board-certified in psychiatry and neurology, with additional qualifications in addiction medicine. With over 25 years of practice experience and extensive training, Dr. Lassise provides patients with state-of-the-art care for a wide range of conditions.
Dr. Lassise graduated with a bachelor’s degree in science from the University of Montana, followed by his medical degree from the University of Colorado College of Medicine. He then completed residency training in psychiatry at Mayo Graduate School of Medicine.
In addition to his duties within our clinic, Dr. Lassise is part of the teaching faculty of the Family Practice Residency Program at the University of Iowa and Des Moines University College of Osteopathic Medicine.

Services & Specialties

Areas of Specialization

  • Psychiatry
  • TeleMedicine
  • Virtual Visits

Conditions Treated

  • Anxiety
  • Depression
  • Opioid addiction
  • Personality Disorders

Locations & Contact

Primary Location

MercyOne North Iowa Psychiatry

250 South Crescent Drive
Suite M0600
Mason City , IA 50401

View hours
Monday
8:00am - 5:00pm
Tuesday
8:00am - 5:00pm
Wednesday
8:00am - 5:00pm
Thursday
8:00am - 5:00pm
Friday
8:00am - 5:00pm
MercyOne North Iowa Psychiatry

Insurances Accepted

  • Aetna Com
  • Aetna MA
  • Amerigroup
  • Centivo
  • Humana
  • Logistics Health Incorporated (LHI)
  • MediGold
  • Multiplan
  • Oscar
  • Preferred Health Choice
  • Tricare
  • UBH
  • UHC Com
  • UHC MA
  • VACCN
  • Wellmark Com
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Education & Certifications

Education

Residency:
Mayo School of Health Sciences

Medical School:
University of Colorado at Denver and Health Sciences Center

Board Certifications

Psychiatry, American Board of Psychiatry & Neurology Psychiatry