Timothy M Dettmer, MD | MercyOne North Iowa Affiliates
Otolaryngology (ENT) • Mason City, IA
Clinic Type
Otolaryngology (ENT) (multi-location group)
Address
250 S Crescent Drive, Mason City, IA 50401; 616 North 8th Street, Osage, IA 50461
Phone
(641) 494-5380
beremarkable@mercyhealth.org
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Team
Insurance & Payment
—
Languages Spoken
FAQs
Board Certifications
Otolaryngology, American Board of Otolaryngology
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: very positive
- US News & World Report: 5/5 (416)
- Healthgrades: 5.0/5.0 (113)
Patients praise
- Highly recommended by patients
- Friendly and caring demeanor
- Professional and efficient staff
- Clear explanations of conditions and treatments
- Effective teamwork in clinical/surgical procedures
- Strong focus on patient education and informed decision-making
Common complaints
- Very few negative reports found; isolated mentions of needs for improvement in specific metrics like explaining conditions, providing follow-up, or staff interactions, which are heavily outweighed by positive experiences
"Dr. Dettmer is every personable and is up to date on evidenced based medical practices."
— WebMD"I was very happy with the staff and especially Dr Dettmer. He is so friendly and caring. I would recommend him to anyone needing an ENT doctor."
— WebMD"Dr. Dettmer and his staff did some minor in office surgery. Everything went well and they worked well together as a team."
— WebMDSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
Information sourced from the clinic's website as of July 11, 2026.
More otolaryngology (ent) clinics in Mason City
Mason City Clinic is a private medical practice based in Mason City, IA (founded 1989) with four offices across the U.S., offering services in allergy and ENT-related care, along with bariatric surgery, heart failure, orthopedics, and general healthcare. They operate primarily in northern Iowa and southern Minnesota, including Albert Lea, MN, and have about 39 employees (recently down). Contact: 800-622-1411. Website: mcclinic.com.
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