Summary

Dr. John Gregory is a surgeon who specializes in thoracic surgery and cardiovascular surgery. He earned his medical degree from the University of Colorado School of Medicine and completed his residency at the University of Texas Health System. With 51 years of experience in the field, Dr. Gregory brings extensive knowledge to his practice. He is fluent in English.

Dr. Gregory practices at Billings Clinic Hospital in Billings, Montana. His expertise includes treating thoracic malignancies and performing minimally invasive procedures such as laparoscopic surgery and thoracoscopic surgery. He provides comprehensive thoracic services and general surgery care for his patients. Patients have given Dr. Gregory an average rating of 4.3 out of 5 stars.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 4.3
  • 51 years of experience
  • 16 insurance plans accepted
  • speaks English
  • University Of Texas Health System
  • 1 written review
  • 3 specialties
  • 5 areas of expertise
  • 3 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

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

Office Location

John R Gregory

801 N 29th StBillings, MT 59101
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed

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John R Gregory, MD
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John R Gregory, MDDr. Barry Allen Mckenzie, MDDr. Dennis William Maier, MDDr. Bradley Marcus Genovese, MD
SurgerySurgerySurgeryThoracic Surgery
Accepts New Patients Accepts New Patients Accepts New Patients
4.3 
51 Years of Experience 23 Years of Experience 41 Years of Experience 14 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English
Billings , MTBillings , MTBillings , MTBillings , MT
Med School: University Of Colorado School Of Medicine Med School: University Of North Dakota School Of Medicine & Health Sciences Med School: Indiana University School Of Medicine Med School: Tulane University School Of Medicine
Current Profile
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Insurance Plans Accepted by John R Gregory

  • Accepts Medicare
  • Accepts Medicaid
  • AARP
  • Aetna
  • Blue Cross Blue Shield of Montana
  • Blue Shield of California
  • Cigna
  • First Choice Health
  • Humana
  • Humana - PPO
  • Inland Empire Health Plan
  • Medicaid - Medicaid
  • Medicaid - Medicaid (Managed)
  • Medicare
  • Medicare - Medicare
  • PacificSource Health Plans
  • PacificSource Health Plans - Medicare
  • UnitedHealthcare

Medical Specialties

John R Gregory has the following 3 specialties

Specialty Expertise

John R Gregory has the following 5 areas of expertise

  • Body Imaging
  • General Surgeon
  • Laparoscopic Surgery (Laparoscopy)
  • Mammography
  • Thoracic Surgeon

Certifications, License, & Education

51 Years Experience

John R Gregory holds an expired medical license in the state of Montana.

Medical License

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

Education & Training

Residency

Completed their residency at University Of Texas Health System.

Medical School

Graduated from University Of Colorado School Of Medicine in 1975.

NPI Number

John R Gregory's NPI number is 1861504847.

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Frequently Asked Questions

Does John Gregory accept my insurance?
You can see the insurance plans that John Gregory accepts on their Vitals profile.
Does John Gregory accept virtual/telehealth appointments?
John Gregory has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Is John Gregory accepting new patients?
John Gregory is accepting new patients on Vitals. View John Gregory's profile on Vitals to make an appointment.
Where is John Gregory's office located?
John Gregory's office is located at 801 N 29th St, Billings, MT, 59101.
Which hospitals is John Gregory affiliated with?
John Gregory is affiliated with Billings Clinic Hospital.

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