Summary

Dr. John Barnwell is a surgeon who specializes in surgical oncology, bringing 37 years of experience to his practice. He earned his medical degree from Howard University College of Medicine and has developed extensive expertise in cancer surgery throughout his career. Dr. Barnwell speaks English and has dedicated nearly four decades to helping patients through complex surgical procedures.

Dr. Barnwell practices at multiple locations across the Detroit area, including Harper University Hospital, DMC Sinai Grace Hospital, and Henry Ford Providence Novi Hospital. He focuses on treating breast cancer, including cases where the cancer has spread or returned, as well as ventral hernias. His surgical expertise includes emergency care, minimally invasive laparoscopic procedures, and fluoroscopy-guided treatments. Patients have given him an average rating of 4.3 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 37 years of experience
  • speaks English
  • Howard University College Of Medicine
  • 2 written reviews
  • 2 specialties
  • 2 areas of expertise
  • 2 board certifications
  • 5 hospital affiliations
  • 4 office locations
  • Male

Office Locations

Dr. John Maclin Barnwell has 4 locations

Detroit Surgical Group

20400 Livernois AveDetroit, MI 48221
Mon8:30 am - 4:30 pm
Tue8:30 am - 4:30 pm
Wed8:30 am - 4:30 pm
Thu8:30 am - 4:30 pm
Fri8:30 am - 4:30 pm
SatClosed
SunClosed

Dmc Sinai Grace Hospital

6071 W Outer DrDetroit, MI 48235

Dmc Huron Valley Sinai Hospital

1 William Carls DrCommerce Township, MI 48382

Henry Ford Providence Novi Hospital

47601 Grand River AveNovi, MI 48374

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Dr. John Maclin Barnwell, MD
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Dr. John Maclin Barnwell, MDDr. David BarbatDr. Macklin LovelandDr. Chelsea Ann Thampy
SurgeryCritical Care MedicineAnesthesiologyCritical Care Medicine
Accepts New Patients Accepts New Patients
4.3 
37 Years of Experience 10 Years of Experience 6 Years of Experience 7 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Detroit , MITroy , MIWyandotte , MIAnn Arbor , MI
Med School: Howard University College Of Medicine Med School: Michigan State University College Of Human Medicine Med School: American University Of The Caribbean School Of Medicine Med School: Lewis Katz School Of Medicine At Temple University
Current Profile
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Insurance Plans Accepted by Dr. John Maclin Barnwell

  • Accepts Medicare
  • Accepts Medicaid

Medical Specialties

Dr. John Maclin Barnwell has the following 2 specialties

Specialty Expertise

Dr. John Maclin Barnwell has the following 2 areas of expertise

  • General Surgery
  • Surgical Oncology

Certifications, License, & Education

37 Years Experience

MEDICAL LICENSE

Medical Doctor, Michigan, 2026, Expired

EDUCATION & TRAINING

Medical School

Howard University College Of MedicineGraduated in 1989

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Frequently Asked Questions

What languages does Dr. John Barnwell speak?
Dr. John Barnwell speaks English.
Where is Dr. John Barnwell's office located?
Dr. John Barnwell's office is located at 20400 Livernois Ave, Detroit, MI, 48221.
Which hospitals is Dr. John Barnwell affiliated with?
Dr. John Barnwell is affiliated with Harper University Hospital, Dmc Sinai Grace Hospital, Dmc Huron Valley Sinai Hospital, Detroit Receiving Hospital, and ASCENSION PROVIDENCE HOSPITAL NOVI CAMPUS.
How can I make an appointment with Dr. John Barnwell?
You can find contact information for Dr. John Barnwell here on Vitals.
Does Dr. John Barnwell accept virtual/telehealth appointments?
Dr. John Barnwell has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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