Dr. Mark Lassise, MD

Psychiatry •  Male • Age 68
  
Dr. Lassise
Telehealth services available

Mason City Clinic, P.C.

520 S Pierce Ave Ste 204 Mason City, IA 50401

Make an Appointment

(641) 494-5170

Dr. Mark Lassise, MD is a Psychiatry Specialist in Mason City, IA and has over 40 years of experience in the medical field. Dr. Lassise has more experience with Psychotic Disorders, Addiction and Substance Abuse, and Personality Disorders than other specialists in his area. He graduated from University of Colorado At Denver medical school in 1980. He is affiliated with medical facilities such as Hancock County Health System and Mercyone New Hampton Medical Center. He has indicated that he accepts telehealth appointments. Be sure to call ahead with Dr. Lassise to book an appointment.


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At a Glance

  • Explains Conditions Well
    Patients said this doctor explains conditions well. See reviews
  • Offers Telehealth
    This provider offers telehealth appointments. Call the office to schedule an appointment.
  • Hospital Satisfaction
    Patients said they were highly satisfied at this doctor's hospital. See hospitals

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Dr. Lassise accepts

Accepted insurance can change. Please double-check when making an appointment.

(641) 494-5170

Dr. Lassise accepts the following insurance:

Anthem
National (BlueCard) PPO
Blue Cross Blue Shield
Blue Card PPO
CareFirst Blue Cross Blue Shield
HealthyBlue 2.0
HealthyBlue Advantage
Cigna
Cigna PPO
Open Access Plus
MultiPlan
MultiPlan PPO
PHCS Network PPO
Wellmark Blue Cross and Blue Shield
Alliance Select

Background Check

Healthgrades does not collect malpractice claims information for Iowa
No disciplinary actions found for the years we collect data
No board actions found for the years we collect data
Learn more about background checks

Frequently Treated by Dr. Lassise

Based on treatment records, we have identified the following as areas of care that Dr. Lassise treats more often than their peers. If you are unsure whether Dr. Lassise treats other conditions, please contact the office at (641) 494-5170.

Psychotic Disorders

Psychotic disorders specialists diagnose and treat conditions that cause severe mental symptoms and disconnection from reality, such as schizophrenia, delusional disorder, and substance-induced psychosis.Compare with other Psychotic Disorders specialists.

Typically treats 85% more than similar doctors

Based on claims data for 4 conditions and procedures

TreatmentsTreatment Frequency
Psychosis Due to Mental Illness
very high
very high

Treatment Frequency

Dr. Lassise treats Psychosis Due to Mental Illness more than 98% of their peers

Dr. Lassise treats this condition more than 98% of their peers

Schizophreniform and Schizoaffective Disorder
very high
very high

Treatment Frequency

Dr. Lassise treats Schizophreniform and Schizoaffective Disorder more than 98% of their peers

Dr. Lassise treats this condition more than 98% of their peers

Schizoaffective Disorder
very high
very high

Treatment Frequency

Dr. Lassise treats Schizoaffective Disorder more than 98% of their peers

Dr. Lassise treats this condition more than 98% of their peers

Addiction and Substance Abuse

Addiction and substance abuse specialists diagnose and treat people who have become physically dependent or addicted to drugs and alcohol through treatments including counseling, detoxifcation, inpatient rehabilitation, and medication.Compare with other Addiction and Substance Abuse specialists.

Typically treats 78% more than similar doctors

Based on claims data for 11 conditions and procedures

TreatmentsTreatment Frequency
Nondependent Amphetamine or Related Acting Sympathomimetic Abuse
very high
very high

Treatment Frequency

Dr. Lassise treats Nondependent Amphetamine or Related Acting Sympathomimetic Abuse more than 92% of their peers

Dr. Lassise treats this condition more than 92% of their peers

Amphetamine and Other Psychostimulant Dependence
very high
very high

Treatment Frequency

Dr. Lassise treats Amphetamine and Other Psychostimulant Dependence more than 87% of their peers

Dr. Lassise treats this condition more than 87% of their peers

Nondependent Drug and Alcohol Abuse
high
high

Treatment Frequency

Dr. Lassise treats Nondependent Drug and Alcohol Abuse more than 86% of their peers

Dr. Lassise treats this condition more than 86% of their peers

Personality Disorders

Personality disorders specialists diagnose and treat conditions that affect how a person thinks, feels or behaves, including narcissistic personality disorder, paranoid personality disorder, and borderline personality disorder.Compare with other Personality Disorders specialists.

Typically treats 54% more than similar doctors

Based on claims data for 3 conditions and procedures

TreatmentsTreatment Frequency
Personality Disorders
normal
normal

Treatment Frequency

Dr. Lassise treats Personality Disorders more than 76% of their peers

Dr. Lassise treats this condition more than 76% of their peers

Borderline Personality Disorder
normal
normal

Treatment Frequency

Dr. Lassise treats Borderline Personality Disorder more than 68% of their peers

Dr. Lassise treats this condition more than 68% of their peers

Antisocial Personality Disorder
normal
normal

Treatment Frequency

Dr. Lassise treats Antisocial Personality Disorder more than 20% of their peers

Dr. Lassise treats this condition more than 20% of their peers

General Mental Health

General mental health includes management, treatment and prevention of mental illness through risk factor screenings, counseling, group therapy, and wellness support.Compare with other General Mental Health specialists.

Typically treats 66% more than similar doctors

Based on claims data for 11 conditions and procedures

TreatmentsTreatment Frequency
Major Depressive Disorder
very high
very high

Treatment Frequency

Dr. Lassise treats Major Depressive Disorder more than 98% of their peers

Dr. Lassise treats this condition more than 98% of their peers

Psychiatric Diseases
very high
very high

Treatment Frequency

Dr. Lassise treats Psychiatric Diseases more than 97% of their peers

Dr. Lassise treats this condition more than 97% of their peers

Bipolar Disorder
very high
very high

Treatment Frequency

Dr. Lassise treats Bipolar Disorder more than 96% of their peers

Dr. Lassise treats this condition more than 96% of their peers

Hide other practice areas

Check Dr. Lassise's experience treating your condition or procedure

Dr. Lassise's conditions and procedures:

  • ADHD and-or ADD
  • Adjustment Disorder
  • Alcohol-Induced Mental Disorders
  • Alcoholism (Alcohol Dependence)
  • Amphetamine and Other Psychostimulant Dependence
  • Antisocial Personality Disorder
  • Anxiety
  • Autism
  • Bipolar Disorder
  • Borderline Personality Disorder
  • Combination Drug Dependence
  • Confusion
  • Conversion Disorder
  • Delusional Disorder
  • Developmental and Learning Disorders
  • Dissociative, Conversion, and Factitious Disorders
  • Drug and Alcohol Dependence
  • Drug-Induced Mental Disorders
  • Dysthymia (Chronic Depression)
  • Dysthymia and Cyclothymia (Mood Disorders)
  • Emotional Disturbances of Childhood and Adolescence
  • Factitious Disorders
  • Family Psychotherapy
  • Gender Dysphoria
  • Homicidal Ideation
  • Impulse Control Disorders
  • Major Depressive Disorder
  • Marijuana Addiction
  • Nondependent Alcohol Abuse
  • Nondependent Amphetamine or Related Acting Sympathomimetic Abuse
  • Nondependent Antidepressant Abuse
  • Nondependent Cocaine Abuse
  • Nondependent Drug and Alcohol Abuse
  • Nondependent Marijuana Abuse
  • Nondependent Opioid Abuse
  • Nondependent Sedative, Hypnotic, or Anxiolytic Abuse
  • Obsessive-Compulsive Disorder (OCD)
  • Obsessive-Compulsive Personality Disorder (OCPD)
  • Opioid Dependence
  • Paranoid Personality Disorder
  • Personality Disorders
  • Phobia
  • Post-Traumatic Stress Disorder (PTSD)
  • Psychiatric Diseases
  • Psychiatric Evaluation
  • Psychogenic Disorders (incl. Psychogenic Pain)
  • Psychosis
  • Psychosis Due to Mental Illness
  • Psychotherapy and Psychophysiological Therapy (incl. Biofeedback)
  • Schizoaffective Disorder
  • Schizoid and Schizotypal Personality Disorder
  • Schizophrenia
  • Schizophreniform and Schizoaffective Disorder
  • Schizophreniform Disorder
  • Sedative, Hypnotic, or Anxiolytic Dependence
  • Somatoform Disorders
  • Speech, Language and Learning Disorders
  • Suicidal Ideation
  • Tobacco Use Disorder

Dr. Lassise's Reviews

Likelihood to recommend Dr. Lassise

4.8

Based on 24 ratings

5 Stars
95.83333333333333%
(23)
4 Stars
0%
(0)
3 Stars
0%
(0)
2 Stars
0%
(0)
1 Star
4.166666666666667%
(1)
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How likely are you to recommend
Dr. Lassise?
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RecentHighestLowestMost Helpful
Reply Flag
Checkups are always pleasant and helpful; willing to take extra time if necessary. All staff is pleasant and helpful.
What went well
  • Appointment scheduling
  • Office environment
  • Staff friendliness
  • Appointment wasn't rushed
  • Listened & answered questions
  • Explained conditions well
  • Trusted the provider's decisions
What could be improved
No results
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D.L – Jun 06, 2019
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Reply Flag
I was very pleased with my talk with Dr. Mark Lassise. He really understood my problems and where I needed help. Thank you, Dr. Lassise. Garnet Roney
What went well
No results
What could be improved
No results
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Garnet Roney – Oct 17, 2018
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Reply Flag
I wish there were more drs like him. So easy to talk to.
What went well
  • Appointment scheduling
  • Office environment
  • Staff friendliness
  • Appointment wasn't rushed
  • Listened & answered questions
  • Explained conditions well
  • Trusted the provider's decisions
What could be improved
  • Long wait times
Was this helpful?
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G.K – Sep 10, 2018
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Reply Flag
Will give new medication another chance after our discussion. I'm hoping against hope it does it's job and food cravings go away and fast! Merry Christmas and Happy New Year!
What went well
No results
What could be improved
No results
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S.B – Jan 11, 2018
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Reply Flag
I ENJOY TALKING TO DR LASSISE WHEN I AM THERE FOR MY APPOINTMENT AND I FEEL GOOD ABOUT MYSELF WHEN I LEAVE THE APPOINTMENT.
What went well
No results
What could be improved
No results
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R.J – Dec 01, 2017
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Reply Flag
I have had Dr. Lassise in the past he is the best Dr, psychiatrist I have EVER had!! I truly miss him. I'm now in Waco, Texas.
What went well
No results
What could be improved
No results
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Renee Krahn in Waco, Texas – Nov 01, 2017
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Reply Flag
He has treated me for 36 years. I have confidence in him. Very knowledgeable listens and helps me remember skills when I am in a manic episode,ptsd,Or bpd.
What went well
No results
What could be improved
No results
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Mason City Iowa – Jul 13, 2017
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Very understanding and listened to everything that i said
What went well
No results
What could be improved
No results
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S.B – Sep 21, 2016
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Dr. Lassise is a great psychiatrist! Open to patient suggestions and incredibly supportive.
What went well
No results
What could be improved
No results
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E.K – Jul 06, 2016
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About Me

Biography

Dr. Mark E. Lassise is board-certified in Psychiatry and Neurology, with additional qualifications in Addiction Medicine, and has treated patients at Mason City Clinic since 1997. 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 the Mayo Graduate School of Medicine.

In addition to his duties within our clinic, Dr. Lassise also serves as a Consulting Psychiatrist at Mercy Medical Center-North Iowa, Medical Director of Mental Health Services at Mercy Medical Center North Iowa and Medical Director of Senior Life Solutions at Hancock County Memorial Hospital in Britt. He 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.  Dr. Lassise remains active in several professional organizations, including: American Psychiatric Association American Association for Geriatric Psychiatry American Society of Addiction Medicine American College of Forensic Examiners, Diplomate Iowa Psychiatric Society Iowa Medical Society Cerro Gordo Medical Society
Less...

Specialties

  • Psychiatry

Board Certifications

Education

1984
Mayo Grad School Med/mayo Fndn
Residency Hospital
1984
Mayo Grad School Of Medicine
Internship Hospital
1980
University of Colorado At Denver
Medical School
1977
University Of Montana
Undergraduate School

Awards

Frequently Asked Questions

Does Dr. Mark Lassise, MD offer telehealth services?

Does Dr. Mark Lassise, MD accept my insurance?

What are Dr. Mark Lassise, MD's top areas of care?

Locations

Mason City Clinic, P.C.

Psychiatry520 S Pierce Ave Ste 204 Mason City, IA 50401
1

Affiliated Hospitals

Check the quality of care at hospitals where Dr. Lassise treats patients.

Learn more

Hancock County Health System

Britt, IA

82% Patient experience rating, 13% higher than the national average

Mercyone New Hampton Medical Center

New Hampton, IA

80% Patient experience rating, 11% higher than the national average

Mercyone North Iowa Medical Center

Mason City, IA

69% Patient experience rating, Equal to the national average

Mitchell County Regional Health Center

Osage, IA

86% Patient experience rating, 17% higher than the national average

Regional Health Services Of Howard County

Cresco, IA

87% Patient experience rating, 18% higher than the national average

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