Dr. Mark Lassise, MD

Psychiatry • Male • Age 68

Psychotic Disorders, Addiction and Substance Abuse, and More

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

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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

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

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

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

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

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

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

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

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

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

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

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

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)

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

Was this helpful?

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

Was this helpful?

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?

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

Was this helpful?

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

Was this helpful?

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

Was this helpful?

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

Was this helpful?

Mason City Iowa – Jul 13, 2017

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Reply Flag

Very understanding and listened to everything that i said

What went well

No results

What could be improved

No results

Was this helpful?

S.B – Sep 21, 2016

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Reply Flag

Dr. Lassise is a great psychiatrist! Open to patient suggestions and incredibly supportive.

What went well

No results

What could be improved

No results

Was this helpful?

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

Psychiatry

Learn why a board certification matters

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

Healthgrades Honor Roll

Learn more about recognized doctors

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

Affiliated Hospitals

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

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Dr. Mark Lassise, MD

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At a Glance

Insurance Check

Background Check

Frequently Treated by Dr. Lassise

Psychotic Disorders

Typically treats 85% more than similar doctors

Treatment Frequency

Treatment Frequency

Treatment Frequency

Addiction and Substance Abuse

Typically treats 78% more than similar doctors

Treatment Frequency

Treatment Frequency

Treatment Frequency

Personality Disorders

Typically treats 54% more than similar doctors

Treatment Frequency

Treatment Frequency

Treatment Frequency

General Mental Health

Typically treats 66% more than similar doctors

Treatment Frequency

Treatment Frequency

Treatment Frequency

Dr. Lassise's Reviews

Likelihood to recommend Dr. Lassise

Leave a review

Leave a review

Overall Patient Satisfaction

About Me

Biography

Specialties

Board Certifications

Education

Awards

Frequently Asked Questions

Locations

Affiliated Hospitals

Hancock County Health System

Mercyone New Hampton Medical Center

Mercyone North Iowa Medical Center

Mitchell County Regional Health Center

Regional Health Services Of Howard County

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