Dr. Barnwell graduated from the Howard University College of Medicine in 1989. He works in Detroit, MI and 2 other locations and specializes in Surgery and Surgical Oncology. Dr. Barnwell is affiliated with Harper University Hospital.


Dr. John Maclin Barnwell, MD
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- Harper University Hospital
Medical School
- 1989
Howard University College Of Medicine
Detroit Surgical Group
20400 Livernois Ave
Detroit
MI
48221
USA
+13138648456
- Abdominal Aortic Aneurysm
- Spleen Surgey
- Mastectomy
- Pilonidal Cyst Surgery
- Small Bowel Resection
- Laparoscopic Appendectomy
- Colonoscopy
- Appendectomy
- Destruction of Lesions on the Anus
- Cholecystectomy
- Gallbladder Removal
- Wound Care
- Appendectomy
- Hernia Repair
- Skin Tags Removal
- Thyroidectomy
- Breast Biopsy
- Laparoscopic Appendectomy
- Laparoscopic Gallbladder Removal
- Liver Biopsy
- Sigmoidoscopy
- Skin Surgery
- Melanoma
- Intestinal Obstruction
- Hemorrhoids
- Ischemic Bowel Disease
- Malignant Neoplasm of Colon
- Abdominal Hernia
- Gastrointestinal Hemorrhage
- Breast Disorders
- Inguinal Hernia
- Skin Cancer
- Appendicitis
- Rectal
- Abdomen
- Small Intestines
- or Colon Cancer
- Cholelethiasis or Cholecystitis
- Pancreatic Cancer
- Ventral Hernia
- Malignant Neoplasm of Female Breast
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