Summary

Dennis Lewis specializes in surgery with over four decades of experience serving patients. They completed medical training at the University of Florida College of Medicine and went on to complete residency training at Greenville Hospital System. With 43 years in practice, Dennis Lewis brings extensive surgical expertise to patient care.

Dennis Lewis practices at Ashley Regional Medical Center and maintains locations in Cortez, Colorado and Laramie, Wyoming. They focus on treating various types of hernias, including ventral hernias, epigastric hernias, and incisional hernias. Their surgical skills include abdominal hernia repair procedures and specialized hernia repair surgery for children. Patients have given Dennis Lewis an average rating of 5.0.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 5
  • 43 years of experience
  • 6 insurance plans accepted
  • Greenville Hospital System
  • 1 written review
  • 2 specialties
  • 3 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 5 office locations

Patients’ Perspective

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

Office Locations

Dr. Dennis Lewis has 5 locations

Ivinson Medical Group

1311 N Mildred Rd Ste ACortez, CO 81321

Sagewest Health Care Lander

1320 Bishop Randall DrLander, WY 82520

Ivinson Memorial Hospital

255 N 30th StLaramie, WY 82072

Ivinson Medical Group

3116 Willett DrLaramie, WY 82072
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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Dr. Dennis LewisKevin M MattesonEve BruneauPamela Clark
SurgerySurgerySurgeryOther
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
43 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
Cortez , COCortez , COCortez , COCortez , CO
Med School: University Of Florida College Of Medicine Med School: Southern Illinois University at Carbondale Med School: University of New England College of Osteopathic Medicine Med School: Graceland University (Graduate)
Current Profile
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Insurance Plans Accepted by Dr. Dennis Lewis

  • Aetna - HMO
  • Cigna
  • GEHA - HMO
  • Medicare
  • Medicare - Medicare
  • UnitedHealthcare

Medical Specialties

Dr. Dennis Lewis has the following 2 specialties

Specialty Expertise

Dr. Dennis Lewis has the following 3 areas of expertise

  • Gastric Bypass (Gastrojejunostomy)
  • Other
  • Weight Loss Surgery (Bariatric Surgery)

Certifications, License, & Education

43 Years Experience

Dr. Dennis Lewis holds an expired medical license in the state of Wyoming.

Medical License

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

Education & Training

Residency

Completed their residency at Greenville Hospital System.

Medical School

Graduated from University Of Florida College Of Medicine in 1983.

NPI Number

Dr. Lewis' NPI number is 1699701524.

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Frequently Asked Questions

How can I make an appointment with Dr. Dennis Lewis?
You can find contact information for Dr. Dennis Lewis here on Vitals.
Where is Dr. Dennis Lewis's office located?
Dr. Dennis Lewis's office is located at 1311 N Mildred Rd Ste A, Cortez, CO, 81321.
Which hospitals is Dr. Dennis Lewis affiliated with?
Dr. Dennis Lewis is affiliated with Ashley Regional Medical Center.
Does Dr. Dennis Lewis accept my insurance?
You can see the insurance plans that Dr. Dennis Lewis accepts on their Vitals profile.
Is Dr. Dennis Lewis accepting new patients?
Dr. Dennis Lewis is accepting new patients on Vitals. View Dr. Dennis Lewis's profile on Vitals to make an appointment.

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