dr finnigan

Nancy Finnigan, DO, MHPE, FACP, FACOI

Designated Institutional Official

A message from our

Designated Institutional Official

On behalf of all of our faculty, staff, and team members, it is my pleasure to welcome you to Lakeland Regional Health’s Graduate Medical Education Department.  Congratulations on your academic achievements!  We look forward to guiding your through the next phase of your career.

Our 864-bed hospital boasts ones of the busiest free-standing emergency departments in the country with a large underserved population of patients from diverse socioeconomic backgrounds.   Nestled between Tampa and Orlando, our prime location provides easy access to multiple attractions and vacation sites.

With a full spectrum of employed subspecialty services in over 35 specialties, our residents receive a vast clinical exposure.  Through a collaboration with Nemours Children’s Health System, Lakeland Regional Health offers pediatric specialty services and inpatient pediatric care.  As a Level II Trauma Center, our robust facilities and physician expertise provide state-of-the-art care for our patients.

Graduate Medical Education at Lakeland Regional Health is committed to ensuring that our residents receive a well-rounded, high quality medical education with a balance of basic science, research, and clinical exposures with a balance of guidance and autonomy.  Our faculty and staff are here to support the needs of all of our residents, fellows, and students, and are excited to be a part of your educational journey.   Our team members and community are proud of our warm, welcoming environment for our residents, fellows, and students.

We look forward to welcoming you to the LRH GME Team!

Warmest Regards,

Nancy A. Finnigan, DO, MHPE, FACP
Designated Institutional Official
Graduate Medical Education

GME Leadership

dr finnigan

Nancy Finnigan, DO, MHPE, FACP, FACOI

Designated Institutional Official

Read Dr. Finnigan's Bio

Dr. Nancy Finnigan joined Lakeland Regional Health in December 2020, as the Designated Institutional Official to assist with the development of multiple graduate medical education programs. She is a Board-Certified Internist and Nephrologist with a passion for medical education. A graduate of Philadelphia College of Osteopathic Medicine (PCOM), Dr. Finnigan completed her Internal Medicine Residency at Mercy Suburban Hospital and Nephrology Fellowship at Lankenau Medical Center. She began her career in medical education as a faculty member at Mercy Suburban Hospital where she joined a Nephrology practice and was appointed as an Assistant Professor at PCOM. She was promoted to Internal Medicine Residency Program Director and later to Director of Medical Education and Designated Institutional Official, providing oversight to the five graduate medical education programs at Mercy Suburban. In August 2017, Dr. Finnigan was recruited to Cape Fear Valley Health System in Fayetteville, North Carolina, to assist with the opening of the residency programs affiliated with Campbell University School of Osteopathic Medicine (CUSOM). Serving in a variety of roles, including Program Director of the Transitional Year Residency and Internal Medicine Residency, Director of Student Medical Education, and Director of Medical Education at Harnett Health, Dr. Finnigan recruited and provided mentorship to new graduate medical education leaders, faculty, and staff. Dr. Finnigan also completed her Masters of Health Professions Education degree at CUSOM.

donald davis md

Donald M Davis Jr., MD

General Surgery Program - Director
Surgical Critical Care Program - Director

Read Dr. Davis' Bio

Donald Davis, Jr., MD, joined the Lakeland Regional Health Physician Group in August 2021 as a General Surgeon and the Program Director of the General Surgery Residency and Surgical Critical Care fellowship. Dr. Davis earned his Doctor of Medicine degree, completed his Residency in General Surgery and fellowship in Surgical Critical Care at the University of South Florida. Dr. Davis most recently served as the Chair of General Surgery, Medical Director of the Surgical ICU and surgeon champion for NSQIP at Tampa General Hospital while also serving as Associate Professor of Surgery, Surgical Critical Care Fellowship Director, Assistant General Surgery Residency Program Director, and a founding member the Hernia Center of Excellence at the University of South Florida. Dr. Davis has served as Principal Investigator and Sub-investigator in numerous research studies and continues to publish and presented nationally on his clinical research. He is certified in General Surgery and Surgical Critical Care by the American Board of Surgery. 

sowsan rasheid md

Sowsan H. Rasheid, MD, FACS

General Surgery Program -
Associate Director

Read Dr. Rasheid's Bio

Sowsan H. Rasheid, MD, FACS, has been providing patients with high-quality, compassionate care for over 12 years. A member of the American College of Surgery, Dr. Rasheid earned her Doctor of Medicine degree and completed her Residency at the University of South Florida College of Medicine. She also completed two fellowships, one at the University of Miami/Jackson Memorial and one at the University of South Florida College of Medicine.


Bilingual in Arabic and English, Dr. Rasheid is extremely passionate about providing the best care for each of her patients and believes every patient is deserving of the best, most advanced care possible without exception. Dr. Rashied specializes in Colon and Rectal (Colorectal) Surgery, with a focus on the utilization of minimally invasive techniques, robotic surgery, endoscopy, and enhanced recovery protocols. She cares for conditions affecting the gastrointestinal tract with a specific focus on the small intestine, colon, rectum, and anus. This includes infectious, inflammatory, functional, and malignant conditions. Always looking for ways to enhance her patient’s experience, she believe that there is no end to learning and improving yourself as a physician and surgeon.


Luis Daniel Lugo, MD, MBA

Internal Medicine Program -
Program Director

Read Dr. Lugo's Bio

Dr. Luis Daniel Lugo is a Board-Certified Internist with a focused practice in Hospital Medicine. Dr. Lugo earned his medical degree from Saba University School of Medicine in the Netherlands. He completed his Internal Medicine Residency at Roger Williams Medical Center, an affiliate of Boston University School of Medicine. Dr. Lugo also completed a Medical Affairs physician fellowship program specializing in Cardiovascular and Renal (CVR) at Bayer Pharmaceuticals through Rutgers Institute for Pharmaceutical Industry. He holds a Master’s in Business Administration in Healthcare Management and is a former high-school Chemistry teacher with a long-standing passion for education.


Prior to joining Lakeland Regional Health, Dr. Lugo served as Associate Program Director for the Categorical Internal Medicine Residency Program at SUNY Downstate Medical Center in Brooklyn, New York. Dr. Lugo dedicated his skills to serving veterans at the U.S. Department of Veterans Affairs in Brooklyn and at a culturally diverse population at the Mount Sinai Health System in Manhattan. Dedicated to education, he served as Clinical Associate Professor at these institutions and worked with residents and students from SUNY Downstate College of Medicine and Icahn School of Medicine at Mount Sinai. Dr. Lugo is recipient of various honorable positions and has repeatedly been awarded “Teacher of the Year”. He is fluent in English, Spanish, and Portuguese.

melissa rusli md

Melissa Rusli, MD

Internal Medicine Program -
Associate Program Director

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Dr. Melissa Rusli is a board-certified Internist with a focused practice in Ambulatory Internal Medicine/Primary Care. She completed her medical school training at Weill Cornell Medical College in New York, NY, followed by Internal Medicine Residency at New York Presbyterian Hospital-Weill Cornell Medicine, New York, NY, and served as Ambulatory Chief Resident from 2018-2019.


Dr. Rusli is currently board certified by the American Board of Internal Medicine, is a member of several professional societies, and has authored several publications/presentations. She is a graduate of the Society of General Internal Medicine’s TEACH program and received several teaching awards at both the undergraduate and graduate medical education levels.


Prior to joining Lakeland Regional Health, Dr. Rusli was an Assistant Professor in Clinical Medicine at Weill Cornell Medicine and the Associate Clerkship Director of the Primary Care clerkship. She was actively involved in faculty development skills with new clerkship preceptors and strengthening Resident-as-Teacher skills among Internal Medicine residents.

keisha ellis

Keisha Ellis, MD

Internal Medicine Program -
Associate Program Director

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Dr. Keisha Ellis is a board-certified internal medicine physician specializing in endocrinology — with particular emphasis on the management of obesity, diabetes, and thyroid disease. As a clinical professor for GME (graduate medical education), she also serves as the Associate Program Director of the LRH Internal Medicine Residency program.


Dr. Ellis earned her MD in medicine at Ross University. She then completed her residency in Internal Medicine at the University of Connecticut and her fellowship in endocrinology at the University of South Carolina. Dr. Ellis’s research has been extensively published and presented nationwide. She sees patients at our Morell Internal Medicine location.