Meet our Faculty

Associate Professor & C. Sue and Louis C. Murray, MD, Family medicine Professor

David B. Feller, MD

I’ve been associated with the residency for over 25 years and direct the behavioral health portion of the residency. I spend about 3 half days/week in clinic with medical students, one half day/week in a behavioral health clinic with the residents, and precept several other half days per week. I also round with the inpatient family medicine service eight weeks out of the year. My interests include behavioral health issues and integrative medicine. I truly enjoy the combination of a busy faculty practice and medical education.

Professor & Medical Director

John Z. Malaty, MD, FAAFP

My roles include serving as core residency faculty, Medical Director of the Family Medicine at Main Street clinic, Associate Program Director, and Director of the Resident as Teacher Program. In these roles, I enjoy teaching and training Family Medicine residents in every facet of their residency training when precepting their clinics, on our inpatient service, and teaching didactics and procedures. I also educate them about how to teach medical students and more junior residents in the Resident as Teacher Program. Similarly, I also teach 3rd and 4th year medical students in clinic, on the inpatient service, and in their didactics. Some of my clinical, educational, and research areas of interest include practice management in Family Medicine, ENT in primary care, and outpatient procedures.

Associate Professor, VICE CHAIR FOR CLINICAL OPERATIONS for CHFM, & Associate Chief Medical Informatics Officer

Danielle S. Nelson, MD, MPH, FAAFP

As a core faculty member I love sharing my love of family medicine with residents and students. I enjoy the variety of practice in family medicine and practice prenatal care and deliveries, office procedures, and inpatient medicine. I have always worked in underserved communities and run the underserved area of concentration (local and global). Additionally I am the Associate Chief Medical Informatics Officer, which allows me to work on systems improvements with the EHR to improve provider workflow and standardize quality of care.

assistant professor

John D. Pennington, MD

I joined the core faculty this year (2023) and love working with students and residents preparing for a career in family medicine.  Special interests include women’s health, outpatient procedures and inpatient medicine.  I was a core faculty member earlier in my career and then worked as a full-time hospitalist.  Now that I am back to a hybrid practice model, I am proudly promoting primary care for future generations.

Assistant Professor

Michael B. Tudeen, MD

I am a core residency faculty member whose clinical focus is on women’s health including obstetrics, family planning, and transgender care. I spend several half days in clinic each week, including 2 sessions alongside residents doing procedures and prenatal care. Additionally, I precept residents in their own clinics on a weekly basis. I also work with residents on inpatient, whether for laboring OB patients or standard medical patients. My interests also include Medication Assisted Therapy with buprenorphine and point of care ultrasound applications. I love working at UF Family Medicine because I get to implement my full spectrum training and look forward to teaching (and learning from) residents every day.

Associate Professor & Residency Program Director

Maribeth Williams, MD, MS

As program director I spend about 3 half days in clinic each week and precept residents in their own clinics once a week. I also enjoying spending 6-8 weeks every year on inpatient. I serve on UF committees focused on residency training and spend some time teaching medical students each week as well! My research interests usually involve medical education or healthcare utilization measures like readmissions or referrals. Academics has been a great fit for me because I get to do a little bit of everything as well as work with our next generation of family medicine docs!

assistant professor

Lindy Krebs, MD

As assistant program director, I get to balance my own patient care duties with resident education. I see my own patients at the East side clinic, precept in the resident clinic, and work on the family medicine inpatient service. I am in charge of our weekly didactics curriculum where we learn from our own faculty, residents, and specialists throughout the UF system. My interests are in underserved medicine, women’s health, and in office procedures. I enjoy working with all types of learners and can genuinely say I love my job!

Assistant Professor

Nicholas Smith, DO

I am an Assistant Professor within the Department of Community Health and Family Medicine at the University of Florida, College of Medicine. My primary responsibility is within the UF Family Medicine Residency Program as Sports Medicine Core Faculty, and dual assignment in the Department of Orthopedics and Sports Medicine. My research interests include Musculoskeletal Ultrasound, Regenerative Medicine, and Sports-Related Concussion. I enjoy working with athletes of all ages and skill, including high school, collegiate, amateur, professional, and those with disabilities. I serve as ringside physician for USA Boxing. I am from Norfolk, Virginia, and my partner, a pharmacist, is from Tampa, Florida. We have two children. I look forward to providing high quality, compassionate care to patients in Gainesville and the surrounding community.