Dr. Quiz received his medical degree in 1988 from De La Salle University, Philippines. He completed part of surgical residency training from the National Kidney Institute, Philippines. He graduated from Internal Medicine Residency Training from the State University of New York in Stony Brook, NY in 1998.

Dr. Quiz moved to Greencastle, IN to serve the rural areas of the USA. He started his solo practice - Greencastle Internal Medicine & Primary Care, LLC from 1998 – 2022. He was also the Assistant Health Officer and Vice President of the Putnam County Health Department since year 2000. In 2023, Dr. Quiz joined Putnam County Hospital.

Dr. Quiz and his wife, Amy, have been residents of Greencastle, IN for over 20 years. They have one son, Michael, who is a Dentist. Dr. Quiz enjoys the outdoors, rides motorcycles and horses. He is also an artist and draws using watercolor as the medium.

Through the years in practice, most of his patients would say that he is one doctor who would tell you what he thinks, and why. If there’s a treatment plan, he takes the time to explain the why and how. As one patient would put it, “I’ve always felt Dr. Quiz treated me as if I were a member of his own family.”

At Internal Medicine of Greencastle, you will find a team that is dedicated to the care of our patients. We strive to provide excellent quality care because we care. It is our goal to serve our patients with the utmost respect and integrity.

Below are the services our office offers:

• Diagnosis and treatment of common adult medical conditions such as diabetes, COPD, hypertension, etc.
• Laboratory testing onsite
• Cardiac testing  – EKG and Heart monitors
• Vision and hearing screening
• Smoking cessation counseling
• Minor surgical procedures
• Cryosurgery procedures: wart and skin tag removal
• Anticoagulant monitoring
• Point of care testing – UA, Flu, Covid, Strep, RSV, etc
• Ear irrigation