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About

Summary: Mason City Clinic is a multispecialty medical practice offering psychiatry among other services. It operates 4 offices (headquartered at 250 S Crescent Dr, Mason City, IA) with a presence in northern Iowa and southern Minnesota (including Albert Lea, MN). The clinic employs about 39 staff and provides healthcare across specialties such as bariatrics, heart failure, allergy, orthopedics, neurology, psychiatry, and cardiology. If you’re seeking psychiatry services specifically in Mason City, IA and Albert Lea, MN, Mason City Clinic lists psychiatry as part of its offerings and has a location in Mason City, IA; you may contact or visit the Mason City HQ or other offices for appointment details.

Clinic Type

Psychiatry (multi-location group)

Address

250 S. Crescent Drive, Mason City, IA 50401; 2440 Bridge Avenue, Albert Lea, MN 56007

Phone

641.494.5170

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

  • Psychiatry

Team

  • Rene M. Duregger, MD — MD, Psychiatry
  • Mark E. Lassise, MD — MD, Psychiatry
  • Rogerio M. Ramos, MD — MD, Psychiatry
  • Dr. Corey J. Thompson, MD — MD, Psychiatry

Insurance & Payment

Languages Spoken

  • English

FAQs

What is the contact number for the Psychiatry Department?

641.494.5170

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades (Dr. Rogerio Ramos): 4.6/5 stars (12 reviews)
  • Vitals (Dr. Mark E. Lassise): 3.9/5 stars (29 ratings)
  • RateMDs (Dr. Rogerio Ramos): 5.0/5 stars (30 reviews)
  • Vitals (Dr. Karen Gosen): 3.3/5 stars (16 ratings)
  • Sharecare (Dr. Annette Smick): 1.0/5 stars (2 reviews)

Patients praise

  • Kind and professional staff interactions
  • Effective medication management and positive therapy outcomes
  • Accessible and easy-to-schedule appointments for some patients
  • Providers who take time to build rapport

Common complaints

  • Difficulty with staff/administrative processes
  • Long wait times for appointments
  • Perceived lack of compassion or listening skills
  • Frustration with diagnosis or treatment approaches

"We ramos and staff are great treats me like a person i feel they re genuine explains things to what I understand very friendly and knowledgeable..."

Healthgrades

"This was the worst mental health professional I’ve ever had the misfortune of seeing... She’s very aggressive and rude and very disrespectful and difficult to speak with."

Vitals

"Dr.Hesler honestly has been one of the best psychiatrist I've ever had. He actually got to know me first before trying to assume I was crazy!"

Healthgrades

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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Mason City, IA·Psychiatry

MercyOne North Iowa Psychiatry in Mason City is part of MercyOne, a nonprofit Catholic health system headquartered in Des Moines, IA. MercyOne operates clinics and hospitals in Iowa (including Mason City) under Trinity Health, offering inpatient and outpatient psychiatry services. Key details: - Organization: MercyOne (formerly Mercy Health Network), owned by Trinity Health - Location: Mason City, Iowa (North Iowa region) - Services: Psychiatry/mental health care as part of MercyOne’s hospital/clinic network - Access: Appointment booking and patient services typically available via MercyOne’s online portal and local clinics - Contact: Main MercyOne Des Moines-based organization; local Mason City clinic details and exact psychiatry service hours are best confirmed via MercyOne’s site or the Mason City clinic directly If you need, I can pull the exact Mason City psychiatry clinic address, hours, and how to book an appointment.

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Mason City, IA·Psychiatry

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