Medical Doctors


Dr Cates
 Dr James Cates M.D.

The oldest of four sons born to Jimmy and JoAnn Cates in Cookeville, Tennessee, James W. Cates, M.D., attended high school for four years at Castle Heights Military Academy in Lebanon, Tennessee. Excelling both academically and athletically, Dr. Cates was chosen his senior year by the faculty as Battalion Commander for the entire corp, graduated with honors, and was a varsity letterman in both football and track.

After high school, Dr. Cates attended undergraduate programs at University of Tennessee - Knoxville, University of California at Los Angeles, and Tennessee State University, where he earned his Bachelor of Science. In 1985, Dr. Cates graduated from medical school at the Meharry College of Medicine in Nashville, Tennessee, and subsequently completed his three-year residency at the University of Tennessee Medical Center in the Family Physician Program. Dr. Cates has experience in cancer research at the University of Tennessee Medical Center, microbiology work at UCLA, and in the Department of Endocrinology at Vanderbilt University.

Dr. Cates is board certified in family practice and a Fellow American Academy of Family Practice. In 1987, he began practicing emergency medicine at Cookeville Regional Medical Center and also gained experience while working at Livingston Regional Hospital from 1988 until 1998, and at Mid State Sports Medicine with Orthopedist Dr. Richard Williams.

Dr. Cates is the full time Chief Manager of Satellite Med, P.L.L.C.

Dr D. Brad Seitzinger M.D.

Dr. Brad Seitzinger has been a resident of Cookeville nearly twenty-five years.  Brad is proud to be a member of the medical community of Cookeville and had for many years maintained a private practice of his own. He has worked for Cookeville Regional Medical Center and for several years at the Community Based Outpatient Clinic for the Veterans Administration (VA). He was the Medical Director of the VA Clinic in Cookeville and greatly cared for the population at large. In 2015 and 2016, he served as Medical Director to one of the largest intake correctional facilities in Bledsoe County. Dr. Seitzinger is a graduate of the Ohio State University College of Medicine and served on the faculty of that institution in the past.

In med school, Dr. Seitzinger was awarded a scholarship from MAP International and Readers Digest to study medicine in a third world country (Haiti) and served in a large mission hospital. He grew up in Indiana, Missouri, Michigan and Ohio before moving to Cookeville.  He was attracted to Cookeville, a place identified as the most “Affordable City in America”. 

All three of his children attended Tennessee Tech University and graduated from the school. The children were homeschooled by his wonderful and successful wife Adele who continues to reach out to children in the community in Art education. Dr. Seitzinger is Board Certified in Internal Medicine. He continues to participate in Maintenance of Certification (MOC) designed by the American Board of Internal Medicine to keep current.

Dr. Seitzinger passed the recertification examination in Internal Medicine in 2016 and strives to be up to date in his specialty.  He completed all the modules of the 17th edition of the Medical Knowledge Self-Assessment Program and desires to provide quality care to his patients.  Brad still enjoys the simple diversion of going to the gym and working out to maintain his own health and provide an example to his patients.

Dr Kenna Williams M.D.

Dr. Kenna Williams earned her medical degree from the University of Tennessee, completing her residency training in general surgery there as well. She has been in private practice since 1991, joining Highlands Surgical Associates in 2013. Previously she was affiliated with Hillside Hospital in Pulaski, TN; Cookeville Regional Medical Center in Cookeville, TN; and Middle Tennessee Medical Center in Murfreesboro, TN.

Dr. Williams is past president of the Putnam County Rural Health Clinics (PCRHC). In 2003, she received the Distinguished Service Award from the Tennessee Medical Association's Board of Trustees for her volunteer service to the PCRHC as the Organizer, Past President and Chief Operating Officer for appropriately five years.

She's a member of the American Society of Breast Surgeons.

Mid-Level Providers

Donna Winningham, FNP-BC

A native of east Tennessee, Donna received a Bachelor of Science degree in Wildlife Management from TTU in 1977. Over the next ten years, she was a “stay-at-home” mother, caring for the four children born to her and her husband, Jim. In 1998 she received an ASN degree from University of St. Francis in Fort  Wayne, Indiana. Her work as an RN was predominantly in pediatric primary care. In 2007, she received her MSN and her Nurse Practitioner license in family practice.

Outside of the practice, she enjoys hanging out with her husband on their “mini-farm”, complete with fainting goats, cats, dogs, a pig, chickens, guineas, and an African Grey parrot. She treasures time spent with her kids, their spouses, and her 10 grandchildren.

Stephanie Maggard, FNP-C

Stephanie was born in Monticello, KY but currently resides is Cookeville. She attended Eastern Kentucky University and graduated with a Bachelor’s Degree in Biology with a minor in Chemistry and attained her Bachelor’s Degree in Nursing. She attended Western Kentucky University where she graduated with a Master’s Degree in Nursing, APRN. She has 12 years’ experience in the emergency department, four years’ experience as a flight nurse, and four years’ experience in the cardiac catheterization lab. Stephanie’s hobbies include farming, lake activities, family vacations, and University of Kentucky events.

Heather Cathey FNP

Heather H. Cathey was born and raised in Murfreesboro, Tennessee. She attended undergraduate nursing school at Middle Tennessee State University and graduated with her Bachelors of Science in Nursing in 2008. She worked as an RN at Murfreesboro Medical Clinic in the Pediatric department while working on her Masters of Science in Nursing at MTSU. She graduated with her MSN in 2011 and started working as a Family Nurse Practitioner at Satellite Med in July 2011. Heather is a Family Practice provider at the clinic and enjoys seeing her patients and their families regularly throughout the year.

Heather enjoys UT and MTSU football. She currently lives in Cookeville with her husband, Jason Cathey, son Rawley and their maltese/shi-tzu puppy, Diesel. They enjoy doing anything outdoors and traveling whenever they have the time. Heather also enjoys renovating furniture, interior design, Pinterest projects, going to the beach/lake, running, hiking and relaxing with family and friends.

April Looper, PA-C
April is from Livingston, TN. She attended the University of the South in Sewanee, TN and earned a Bachelor of Science degree in Biochemistry before beginning the Physician Assistant program at Christian Brothers University in Memphis, TN. April is a member of the Tennessee Academy of Physician Assistants (TAPA) and the American Academy of Physician Assistants (AAPA). She has a special interest in Veterans and hopes to one day help improve the healthcare they receive. In her free time, she enjoys cooking, baking, traveling, and reading.

Cheryl Wathen, APN

Cheryl began her medical career as a Medical Technologist after graduating from the University of Findlay and Fairview General Hospital in Ohio. She moved to Houston, TX in 1987 where she worked in the Division of Organ Transplant at the University of Texas Health Science Center and later, in the Division of Cardiology at Baylor College of Medicine. It was there that Cheryl met her husband, Mark. After Mark's fellowships were finished, the Wathen's settled in Nashville where Cheryl was a stay-at-home mom with their two children, Stephen and Erin. When her services as a "chauffeur" were no longer needed, Cheryl decided to pursue a career as a nurse practitioner. She graduated from Vanderbilt University in 2011 with a Master of Science in Nursing. After relocating to Cookeville with her husband, Cheryl worked with an allergy practice before joining Satellite Med. She feels very fortunate to have found a position with such a positive group of providers and staff who support her efforts to deliver high quality healthcare.

Larissa Rich, PA

Larissa worked as a scribe at Satellite Med while attending Tennessee Tech University. She completed part of her South College clinical rotation at Satellite Med. We are excited to welcome her back as a provider! 

Larissa is from Hermitage Springs, TN but has lived in Cookeville since 2012. She attended Tennessee Tech University for three and a half years to obtain a Bachelor of Science degree in Biology Health Sciences. She then went to and graduated from South College's Physician Assistant program in Knoxville, TN. 

She enjoys hiking, traveling, and going back home to spend time with family.

Jake Stephens, FNP

Jake was born and raised in Jackson, Michigan. He moved to middle Tennessee to pursue a nursing degree from Cumberland University. He graduated from Cumberland University with his Bachelor of Science in Nursing in 2013. He has 5 years of professional experience as a registered nurse and primarily worked in the ICU and Cardiac Cath Lab. In 2017, he obtained his Master of Science in Nursing from Tennessee State University. Jake is a member of the American Academy of Nurse Practitioners (AANP) and The Middle Tennessee Advanced Practice Nurses (MTAPN).

Jake currently lives in Lebanon, TN with his wife Lauren, son Rhett, and Golden Retriever Belle. His interests include sports, woodworking, music, antique tractors, pinball, fishing, and going to the beach. He is excited for God to use him to serve the patients at Satellite Med.

Christina Green, B.S., M.S., EdS., M.A.

Christina (Tina) has spent the past 30 years serving as a professional educator, with three degrees in education and a passion to serve special-needs children and their parents.  In addition, she has worked side-by-side with her husband, Dr. Craig Green, as a pastoral counselor—which is the area of specialization in her latest degree—a Masters in pastoral counseling. 

Christina has served as the Special Education Supervisor for the Overton County School System for the past five years.  She will always be an advocate for those who can defend themselves least. 

God has ordained a new season of service for Tina—one free from constraints to openly share the One and only One who truly defends the weak and who truly heals the wounded—Jesus Christ the Lord. 

With deep trust in the power of the Holy Spirit to bring real and lasting healing, Tina will gently and lovingly engage her clients as they receive the healing available in areas such as:

  • Depression
  • Anxiety
  • Autism, Asperger’s, ADHD, ADD
  • Alcohol and substance abuse
  • Juvenile delinquency
  • Conflict resolution
  • Grief counseling
  • Marriage Counseling (Pre, Present, and Post)
  • Sexual abuse counseling
  • Eating Disorders and self-harm
  • Post-Traumatic Stress

Jacob Olson was born in Maryville, MO, but has lived the last 25 years in Cookeville, TN.  He attended Tennessee Tech University where he earned a degree in Multidisciplinary Studies with minors in music, biology, chemistry, and psychology. 

He then earned his Master’s in Medicine at Trevecca Nazarene University where he served as chaplain.  His interest in medicine started when he was working for an agency that primarily served developmental and intellectual disabled individuals. 

Jacob is married with four children, and enjoys spending time with his family, church, woodworking/cabinetry, and playing piano.