Summary

Dr. John Barnwell is a surgical oncologist with expertise in general surgery who has dedicated 37 years to patient care. He earned his medical degree from Howard University College of Medicine and specializes in treating complex cancer cases alongside general surgical procedures. Dr. Barnwell speaks English and brings nearly four decades of surgical experience to his practice.

Dr. Barnwell maintains affiliations with several prominent hospitals including Harper University Hospital, DMC Sinai Grace Hospital, DMC Huron Valley Sinai Hospital, Detroit Receiving Hospital, and Ascension Providence Hospital Novi Campus, with practice locations across Detroit, Commerce Township, and Novi, Michigan. He focuses on treating breast cancer, including metastatic and recurrent cases, as well as ventral hernias. His surgical expertise includes laparoscopic procedures and fluoroscopy-guided treatments, along with emergency surgical care. Patients have given him an average rating of 4.3 out of 5 on Vitals.
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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

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

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. Alfred AlameDr. Belinda Appiah AsareDr. Enrique Antonio Enriquez
SurgeryColorectal SurgeryDiagnostic RadiologyEmergency Medicine
Accepts New Patients
4.3 
37 Years of Experience 20 Years of Experience 6 Years of Experience 58 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English
Detroit , MISaint Clair Shores , MINew York , NYClinton Township , MI
Med School: Howard University College Of Medicine Med School: University Of Miami Leonard M Miller School Of Medicine Med School: Oakland University William Beaumont School Of Medicine Med School: Universidad Nacional Autonoma De Mexico Facultad De Medicina
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

Dr. John Maclin Barnwell holds an expired medical license in the state of Michigan.

Medical License

Medical Doctor with an expired medical license in the state of Michigan that expired in 2026.

Education & Training

Medical School

Graduated from Howard University College Of Medicine in 1989.

NPI Number

Dr. Barnwell's NPI number is 1831105550.

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Frequently Asked Questions

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 my insurance?
You can see the insurance plans that Dr. John Barnwell accepts on their Vitals profile.
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.
Where is Dr. John Barnwell's office located?
Dr. John Barnwell's office is located at 20400 Livernois Ave, Detroit, MI, 48221.

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