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

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, MDDr. Tatiyana Lakaira Catrice HarrisDr. Launa Gladys Clough, DODr. Richard Matthew Hook, MD
SurgeryAnesthesiologySurgeryOphthalmology
Accepts New Patients
4.3 
37 Years of Experience 3 Years of Experience 9 Years of Experience 62 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English
Detroit , MIDetroit , MIDetroit , MISterling Heights , MI
Med School: Howard University College Of Medicine Med School: Michigan State University College Of Human Medicine Med School: Campbell University Jerry M Wallace School Of Osteopathic Medicine Med School: New York Medical College
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

Where is Dr. John Barnwell's office located?
Dr. John Barnwell's office is located at 20400 Livernois Ave, Detroit, MI, 48221.
What languages does Dr. John Barnwell speak?
Dr. John Barnwell speaks English.
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.
Is Dr. John Barnwell accepting new patients?
Dr. John Barnwell is accepting new patients on Vitals. View Dr. John Barnwell's profile on Vitals to make an appointment.
How can I make an appointment with Dr. John Barnwell?
You can find contact information for Dr. John Barnwell here on Vitals.

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