Mark Lassise, M.D.
Compare health plans in IA
Find coverage options that include this provider in-network and fit your budget.
- NPI Number
- 1023002508
- Provider Type
- Individual Practitioner
- Credential
- M.D.
- Primary Specialty
- Psychiatry & Neurology - Psychiatry
- License Number
- 22919
- Practice Address
- 250 S Crescent DR STE 10
- City, State ZIP
- Mason City, IA 50401
- Phone
- (641) 494-5170
- Last Updated
- June 8, 2026
- Source
- Publicly available data
Mark Lassise, M.D. is a psychiatry & neurology - psychiatry provider located in Mason City, IA. They offer psychiatry & neurology - psychiatry services to patients in the Mason City area.
As a psychiatry & neurology - psychiatry provider in Mason City, this clinician evaluates and treats patients for a range of common conditions seen in Mason City and throughout IA.
The practice is located at 250 S Crescent DR STE 10, Mason City, IA 50401. Patients can call 6414945170 to schedule an appointment or use the directions link above to find the office from anywhere in the area.
Patients typically visit this provider for people seek mental health support for anxiety, depression, stress, grief, relationship issues, trauma, and life transitions. Therapy is appropriate whenever support is needed, not only in crisis.
If you plan to see this provider, it is a good idea to confirm that the practice accepts your insurance and is in-network before scheduling. Coverage details vary by plan, and our quote tool can help you compare options in IA.
This profile was last verified on June 8, 2026. Provider information is sourced from publicly available data and may not reflect recent changes. Please confirm details directly with the practice before scheduling.
Call for hours and appointments. Hours may vary by provider and location.
A patient’s guide to psychiatry & neurology - psychiatry care in Mason City, IA.
What a Psychiatry & Neurology - Psychiatry provider does
Mental health providers — including psychologists, licensed counselors, and therapists — help patients manage emotional, behavioral, and psychological challenges. They provide talk therapy, assessments, and treatment planning for a wide range of conditions.
Common conditions treated
Mental health providers treat anxiety, depression, post-traumatic stress disorder (PTSD), obsessive-compulsive disorder (OCD), grief and loss, relationship issues, eating disorders, substance use, and life transitions. They also help with stress management and personal growth.
Common reasons to schedule a visit
People seek mental health support for anxiety, depression, stress, grief, relationship issues, trauma, and life transitions. Therapy is appropriate whenever support is needed, not only in crisis.
What to expect during a visit
A first therapy session usually involves sharing your history and current concerns, getting to know your provider, and setting goals for treatment. Sessions are confidential and tailored to your needs.
Insurance coverage considerations
Many insurance plans now cover mental health services at parity with medical care, often without requiring a referral. Telehealth options are widely available. Compare plans to find affordable mental health coverage.
How to choose the right psychiatry & neurology - psychiatry provider in Mason City
Look for a licensed mental health provider whose approach (such as cognitive behavioral therapy, EMDR, or solution-focused therapy) fits your needs. Comfort and trust with your therapist are among the strongest predictors of positive outcomes.
Looking for in-network coverage that includes this psychiatry & neurology - psychiatry provider? Compare health plans in IA →
Insurance acceptance not listed
The public NPI registry does not include insurance acceptance data. Contact the office directly to ask if they accept your insurance plan. You can also use our quote tool to find health plans in IA.
Explore more healthcare options in and around Mason City, IA.
Common questions about Mark Lassise, M.D. in Mason City, IA.
How do I make an appointment with Mark Lassise, M.D.?
Call Mark Lassise, M.D. directly at their Mason City office to schedule a visit. You can also use the contact form on this page to send a message and the practice will respond.
Does Mark Lassise, M.D. accept insurance?
Provider insurance information is not included in the public NPI registry data that powers this directory. Contact the office directly to ask whether they accept your specific insurance plan. You can also use our quote tool to find health plans in IA.
What are the office hours for Mark Lassise, M.D. in Mason City?
Office hours for Mark Lassise, M.D. in Mason City are not currently published. Call the practice directly to confirm hours before your visit.
Is parking available at Mark Lassise, M.D.'s Mason City location?
Most provider offices in Mason City offer on-site or nearby street parking. Call Mark Lassise, M.D. in Mason City ahead of time to confirm parking options and accessibility accommodations.
Does Mark Lassise, M.D. offer telehealth?
Many psychiatry & neurology - psychiatry providers in IA now offer telehealth visits for follow-ups, medication management, and routine consultations. Call Mark Lassise, M.D. to ask whether a telehealth visit is appropriate for your needs.
What should I expect at my first therapy session with Mark Lassise, M.D.?
Your first session with Mark Lassise, M.D. in Mason City is typically a 45–60 minute intake. They will review your history, current concerns, and goals for therapy. Everything discussed is confidential, and you can ask questions about they approach and treatment style.
Claim this profile to add photos, services, office hours, and respond to patient inquiries.
Claim ProfileData is sourced from publicly available records. Public records do not confirm active license status, quality of care, insurance acceptance, or network participation. Please verify details directly with the provider before scheduling. Last updated June 8, 2026.