Mark E Lassise, M.D.

Psychiatry Psychiatry & Neurology

(641) 494-5170Mason City, IA
Telehealth Available
NPI Active per CMS — Q2 2026

Mark Lassise, M.D. has practiced psychiatry & neurology for 46+ years, working in group practice. Trained at University of Colorado School of Medicine, Denver (class of 1980), he has been practicing for over 46 years. Psychiatrists are physicians who diagnose and treat mental health conditions including depression, anxiety disorders, and more.

1 of 80 Psychiatry & Neurology providers in IASee all Psychiatry & Neurology in Mason City46+ years experienceNPI since 2005

Data updated 2020-07-06 on CMS NPPES

Contact & Location

Practice Location

250 S Crescent Dr Ste 10, Mason City, IA 50401-2926

Fax: (641) 494-5175

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Psychiatry & NeurologyAllopathic & Osteopathic Physicians

Psychiatrists are physicians who diagnose and treat mental health conditions including depression, anxiety disorders, bipolar disorder, schizophrenia, PTSD, and substance use disorders. They can prescribe medications and provide psychotherapy.

Taxonomy: 2084P0800X

Education & Training

University of Colorado School of Medicine, Denver (Class of 1980)

Virtual Psychiatry & Neurology Care With Mark Lassise

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with Mark Lassise for follow-ups, medication reviews, and ongoing care — no travel to Mason City required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.

Frequently Asked Questions

Common questions about Mark Lassise

NPI records show Dr. Lassise as active with telehealth listed in Mason City, IA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (641) 494-5170.

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Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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