600 North Westhaven Drive, 
Oshkosh, WI 

Overview

My approach to care focuses on treating the whole person by providing individualized, patientcentered care. I value adaptability and work collaboratively with patients to help them reach their health goals.I enjoy working as a care provider because it is a team effort aimed at improving patients' health, and I find fulfillment in collaborating with both patients and other healthcare providers to help achieve the goal.My education in various healthcare fields combined with my experience in acute care settings such as the Emergency Department and Urgent Care inspired me to further my career in nursing to become an Advanced Practice Nurse Practitioner (APNP). I have always had a longstanding interest in health and how the body functions.

Dr. Tremillo is board certified in American Academy Of Nurse Practitioners (2025). Dr. Tremillo is currently accepting new patients.

Graduate Institution

Marian University Fon Du Lac 2024

Specialties

Family Medicine

Licenses

Nurse Practitioner in WI

Board Certifications

American Academy Of Nurse Practitioners (2025)

Hospital Affiliations

Thedacare Regional Med Ctr - Neenah
Thedacare Regional Medical Center - Appleton Inc

Languages Spoken

English

Gender

Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Locations

ThedaCare PhysiciansOshkosh
600 North Westhaven Drive, Oshkosh, WI 54904
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I found many, many areas of medicine I liked in my years of study and practice. That’s why family medicine and the variety it offers is such a good fit for me. I get to help and heal people throughout their lives and make a real difference for you and your family. When I care for you, I love to teach you how your body works. I see myself as your partner and trusted advisor in coming up with a plan of care focused on you. When I’m not at work, I enjoy physical fitness, martial arts, computers and highfidelity audio and video. Dr. Janusonis is highly rated in 15 conditions, according to our data. His clinical expertise encompasses Obesity Hypoventilation Syndrome (OHS), Abdominal Obesity Metabolic Syndrome, Type B Insulin Resistance Syndrome, and Cytochrome C Oxidase Deficiency. Dr. Janusonis is board certified in Family Medicine, American Board Of Family Medicine (2003).

Frequently Asked Questions about Dr. Andrew Tremillo

How do I make an appointment with Dr. Andrew Tremillo?

You can book an appointment with Dr. Andrew Tremillo by calling their office at 920-237-5000. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.

Areas of Expertise

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