Our Team

Personalized Care and Guidance

A positive attitude goes a long way when your health is concerned, and at Mitchell Family Medicine, we make it the rule, not the exception. Incredibly patient and knowledgeable, our team is committed to helping patients feel better and be well-informed when making important health decisions. Get in touch today to learn more.


Dr. Aaron Mitchell, MD

Lead Physician and Medical Director

Dr. Aaron Mitchell feels blessed to have been serving patients in Marion for the past 8 years.  In doing so, he truly believes that "A joyful heart is good medicine." - Proverbs 17:22

Dr. Mitchell is highly trained and gives God all the glory for his many accomplishments over the years.  He was recently named a delegate to the prestigious Methodist Hospital Physician Leadership Academy, designating the top 20 physicians covering all specialties in the greater Memphis area.  He has also led his current team to a Level 3 (Highest Level) PCMH Certification - Patient Centered Medical Home, and they have won recognition for being Hypertension Champions for excellence in treating blood pressure.  He was the Chief Resident while training at St. Bernards Hospital and NEA Baptist Hospital in Jonesboro, AR, and is dedicated to promoting health and wellness through true lifestyle change.  

Dr. Mitchell serves as the current President of the Crittenden County Medical Society.  He is Medical Director of the EMT program at Arkansas State Mid-South and periodically is a guest-lecturer.  He also serves as Medical Director for Elite Home Health and Dierken Memorial Hospice.  He is dedicated to the education of all medical associated professions. 

Dr. Mitchell is married to Rebecca, who is a pharmacist, and they have four beautiful children.  Dr. Mitchell lives in Marion, attends church at Bellevue Baptist, and is an active member of his community.  He has served on medical mission trips overseas to Brazil, Ghana, and Mexico.


  • Medical School: University of Arkansas for Medical Sciences, Little Rock, AR

  • Residency: UAMS Family Medicine, Jonesboro, AR

  • Master's in Business Administration: University of Arkansas at Little Rock

  • Undergraduate: Oral Roberts University (B.S. in Bio-Medical Chemistry), Tulsa, OK

  • Board Certified in Family Medicine

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Dr. Sean Koch, MD

Family Medicine Physician

Dr. Koch was born in St. Louis, MO, but has spent the majority of his life in Searcy, AR. He attended Harding University for his undergraduate degree and then University of Arkansas for Medical Sciences (UAMS) for medical school. After graduation, he completed his three year residency training in Jonesboro, AR.

He is so excited to come to Marion to practice and bring healing through medical care. His favorite Bible verse is Romans 8:38-39, “For I am convinced that neither death nor life, not angel nor demons, neither the present nor the future, nor any powers, neither height nor depth, nor anything else in all creation, will be able to separate us from the love of God that is in Christ Jesus our Lord.” He is committed to providing compassionate, evidence-based care to all patients. 
Dr. Koch lives in Memphis and is a member of High Point Church. He loves hiking, traveling, exercise, and snowboarding.


Lindsay Gill, APRN

Nurse Practitioner Manager

Mrs. Lindsay Gill has been a part of our team since 2017.  She loves acute care health, and she is our walk-in Nurse Practitioner for your acute care needs.  Lindsay enjoys helping people feel comfortable and thrives on getting you better...faster.  Her practice philosophy is based out of Jeremiah 29:11 - she wants to help "...give you hope and a future."  She is a cancer survivor, super tough, and she depends on the Lord as her Rock. 

Mrs. Gill obtained both her baccalaureate and Master's Degrees at Arkansas State University.  She graduated in 2015 and obtained her license and board certification.  Prior to being a nurse practitioner, she was an RN at Arkansas Children's Hospital Burn Unit, and has extensive Critical Care and ICU experience.  She is certified in BLS and ACLS.

Lindsay is married to Brandon Gill, a West Memphis Firefighter.  She has 3 beautiful children.  When not at work, she loves to play sports with her children and calls the Hogs in Fayetteville.  Lindsay and her family faithfully attend Marion United Methodist Church.


  • Master's in Nursing: Arkansas State University, Jonesboro, AR

  • Undergraduate: Arkansas State University, B.S. in Nursing, Arkansas State University, Jonesboro, AR

  • Board Certified Advanced Practice Registered Nurse by AANP


Angel Gulley, APRN

Walk-In and Women's Health Nurse Practitioner 

Mrs. Angel Gulley is a board certified Nurse Practitioner who joined Mitchell Family Medicine in December 2019.  Angel grew up in Marion, AR and always knew she wanted to follow in her mother and aunt's footsteps to become a nurse.  Angel attended Arkansas State University in Jonesboro to pursue her dream of serving others, and ultimately she graduated with her Bachelor of Science in Nursing with Honors.  Angel then obtained her Master of Science in Nursing in 2018, specializing in family practice and women's health. She has extensive RN experience in OB, including prenatal care, labor/delivery, postpartum, and bereavement care. She does all Well-Women checkups including Pap Smears. She is committed to providing compassionate, Christ-centered, evidence-based care to her patients.

Angel thoroughly enjoys community service and community outreach programs.  She is a member of several professional organizations, including the American Congress of Obstetricians and Gynecologists, Association of Women's Health, Obstetric, and Neonatal Nurses, American Association of Nurse Practitioners, and Arkansas Nurse Practitioners Association.

Angel loves studying health, wellness, nutrition, and exercise. Angel is married to Thad and is a proud dog mom to three Siberian Huskies: Luca, Ollie, and Nova. 


Peyton Courtney, APRN

Walk-In Nurse Practitioner

Mrs. Peyton Courtney is a board-certified Family Nurse Practitioner. Peyton obtained her Bachelor of

Science in Nursing from Arkansas State University in 2018. Upon graduation, Peyton began working in

the ICU at Methodist University Hospital in Memphis, TN as a RN in August of 2018. Peyton obtained

her Master of Science in Nursing from Arkansas State University in May of 2020. Peyton has BLS,

ACLS, and PALS certifications.

Peyton joined the MFM family in May of 2022! Peyton previously completed almost 600 clinical hours

with Dr. Mitchell as a NP student and grew to love working with the MFM team and how they

prioritized their patients’ health needs above anything else. Peyton is fully committed to doing all that

she can to give the best possible care to every patient she sees here at MFM.

Peyton is married to Corbett Courtney, a pediatric OR nurse at Le Bonheur Children’s Hospital. Peyton

and Corbett are proud fur-parents to their 7-year-old lab Ranger!


 Master of Science in Nursing: Arkansas State University - 2020

 Bachelor of Science in Nursing: Arkansas State University - 2018

 Board Certification: American Academy of Nurse Practitioners