Crystal N Johnson-Mann

Crystal N Johnson-Mann, MD

Assistant Professor

Business Phone: (352) 265-0535

About Crystal N Johnson-Mann

Crystal N. Johnson-Mann, MD is an assistant professor and minimally invasive/bariatric surgeon within the division of gastrointestinal surgery at the University of Florida College of Medicine.

Dr. Johnson-Mann obtained her bachelor’s degree from the University of South Carolina in Columbia, South Carolina. While there, she divided her time as a student athlete with a major in biological sciences and as a member of the varsity volleyball team. She matriculated through medical school at the Medical University of South Carolina (MUSC) in Charleston, South Carolina and completed her residency at the same institution. She completed a fellowship in minimally invasive surgery at the University of Virginia Health System and is board certified in General surgery by the American Board of Surgery.

Her clinical and research interests include bariatric surgery, anti-reflux surgery, gastroesophageal reflux disease, minimally invasive hernia repair, and equity in healthcare access, delivery, and outcomes.

She is a member of the American College of Surgeons, Association for Women Surgeons, American Society for Metabolic and Bariatric Surgeons, National Medical Association, Society of American Gastrointestinal and Endoscopic Surgeons, and the Society of Black Academic Surgeons.

Board Certifications

  • General Surgery
    American Board of Surgery

Clinical Profile

  • Surgery
Areas of Interest
  • Anti-reflux surgery
  • Bariatric Surgery
  • Gastroesophageal reflux disease
  • Hiatal hernia
  • Inguinal hernia repair

Research Profile

Dr. Johnson-Mann’s research interests include: bariatric surgery and related outcomes, gastroesophageal reflux disease, healthcare disparities, and minimally invasive hernia repair

Open Researcher and Contributor ID (ORCID)


Areas of Interest
  • Bariatric Surgery and gastroesophageal reflux disease
  • Healthcare disparities
  • Minimally invasive hernia repair


Barrett’s esophagus after sleeve gastrectomy: a systematic review and meta-analysis.
Gastrointestinal endoscopy. 93(2):343-352.e2 [DOI] 10.1016/j.gie.2020.08.008. [PMID] 32798535.
Degree of Cardiometabolic Risk Factor Normalization in Individuals Receiving Bariatric Surgery: Evidence From NHANES 2015-2018.
Diabetes care. 44(3):e57-e58 [DOI] 10.2337/dc20-2748. [PMID] 33431421.
Diversification of Academic Surgery, Its Leadership, and the Importance of Intersectionality.
JAMA surgery. 156(8):748-756 [DOI] 10.1001/jamasurg.2021.1546. [PMID] 33950242.
Equity and Artificial Intelligence in Surgical Care.
JAMA surgery. 156(6):509-510 [DOI] 10.1001/jamasurg.2020.7208. [PMID] 33625504.
The Role of Race and Gender in the Career Experiences of Black/African American Academic Surgeons: A Survey of the Society of Black Academic Surgeons and a Call to Action.
Annals of surgery. 273(5):827-831 [DOI] 10.1097/SLA.0000000000004502. [PMID] 32941287.
A Call to Action: Black/African American Women Surgeon Scientists, Where are They?
Annals of surgery. 272(1):24-29 [DOI] 10.1097/SLA.0000000000003786. [PMID] 32209893.
COVID-19 pandemic highlights racial health inequities.
The lancet. Diabetes & endocrinology. 8(8):663-664 [DOI] 10.1016/S2213-8587(20)30225-4. [PMID] 32659216.
Investigating racial disparities in bariatric surgery referrals.
Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery. 15(4):615-620 [DOI] 10.1016/j.soard.2019.02.002. [PMID] 30824334.
Laparoscopic Reversal of Roux-en-Y Gastric Bypass with Conversion to Sleeve Gastrectomy.
The American surgeon. 84(8):e320-e322 [PMID] 30842015.
View on: PubMed
Management of a Patient With a History of Nonanesthesia-Related Malignant Hyperthermia Undergoing Laparoscopic Cholecystectomy: A Case Report.
A&A practice. 11(5):137-139 [DOI] 10.1213/XAA.0000000000000767. [PMID] 29608462.
Roux-en-Why? What the Orthopaedic Surgeon Needs to Know About Bariatric Surgery.
JBJS reviews. 6(12) [DOI] 10.2106/JBJS.RVW.18.00018. [PMID] 30531201.
Bypass and embolization for a vertebral artery aneurysm in a patient with Marfan syndrome.
Journal of vascular surgery cases. 1(2):77-80 [DOI] 10.1016/j.jvsc.2015.02.002. [PMID] 31724624.
Conversion of a Remotely Performed Gastroplasty Procedure to a Roux-en-Y Gastric Bypass.
The American surgeon. 81(8):299-300 [PMID] 26215226.
View on: PubMed


Fellowship – Minimally invasive surgery
2017-2018 · University of Virginia Health System
2012-2017 · Medical University of South Carolina
Medical School
2008-2012 · Medical University of South Carolina

Contact Details

(352) 265-0535