About Ervin Woody Denham, MD
Ervin "Woody" Denham, MD, a minimally invasive and general surgeon at Endeavor Health, performs abdominal surgeries using advanced techniques designed to reduce pain and recovery time. He believes in shared decision-making, ensuring patients are informed and actively involved in their care. With more than 20 years of experience, Dr. Denham also stays current with emerging endoscopic procedures that further minimize incisions and speed recovery.
My endeavor
My endeavor is to provide the best care for my patients, with the best outcomes possible.
Care philosophy
I want patients to be involved in their care. They know themselves best, and with the information we provide, we work together to choose the treatment that’s right for them.
Overview
- Gender Male
Conditions treated (9)
- Obesity
- Gallbladder disease
- Skin lesion
- Hernia
- Lipoma
- Abscess
- Appendix
- Cyst
- Gallbladder
Procedures performed (15)
- Bariatric
- Abdominal hernia repair
- Advanced laparoscopic surgery
- Gastric bypass
- Inguinal hernia repair
- Lap band
- Minimally-invasive surgery
- Peritoneal dialysis (PD) catheter
- Port-a-cath
- Sleeve gastrectomy
- Temporal artery biopsy
- Minimally-invasive hernia surgery
- Minimally-invasive stomach
- Weight reduction (gastric bypass) surgery
- Laparoscopic sleeve gastrectomy
Endeavor Health Medical Group
7900 Rollins Rd., Suite B1300
Gurnee, IL 60031-1512
Gurnee, IL 60031-1512
Endeavor Health Medical Group
225 N. Milwaukee Ave., Lower Level
Vernon Hills, IL 60061-4304
Vernon Hills, IL 60061-4304
Endeavor Health Medical Group
1200 S. York St., Suite 1240
Elmhurst, IL 60126-5627
Elmhurst, IL 60126-5627
Endeavor Health Medical Group
1000 Central St., Suite 717
Evanston, IL 60201-1779
Evanston, IL 60201-1779
Medical School
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1993Univ of Louisville, Schl of Medicine
Residencies
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2000General SurgeryUniversity of South Florida
Fellowships
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1998ResearchUniversity of South Florida
Board certifications
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2001SurgeryAmerican Board of Surgery
Reviews (50)
January 18, 2026
Excellent
January 16, 2026
Initial interactions have been fantastic. However there is a surgery and recovery phase that are yet to be completed. This survey is only relevant to my consultation visit
January 4, 2026
He is very professional and thoroughly explained everything. Did not feel rushed. All my questions answered to my satisfaction. A very pleasant experience.
December 20, 2025
I am always impressed with the kindness, professionalism and patience of your staff. I believe they are all hand picked associates. Thank you for the excellent customer service and enjoy the Holiday season!
December 17, 2025
Very knowledgeable Surgeon!!!!
December 16, 2025
Very professional
December 11, 2025
All were kind
December 8, 2025
Dr. Denham is EXCELLENT!! Took the time to fully explain the situation and options going forward. Excellent attention to detail. Highly reccomend Dr. Denham
November 20, 2025
Dr Denham is very knowledgeable and personable. He is a pleasure to deal with.
October 29, 2025
Much easier recovery than I expected. That shows the quality of the surgeon
October 29, 2025
Kind, caring, practical, thorough doctor
October 26, 2025
Informative, to the point
October 25, 2025
Very comforting and knowledgable
October 23, 2025
He was wonderfully. Explained everything so we could understand. Lovely personality
October 17, 2025
I felt as I left the office with a lot of my questions unanswered
October 4, 2025
Great physician. Listens very well to concerns and questions. Extremely knowledgeable
September 21, 2025
My Drs are ALL Great and caring!
September 19, 2025
Excellent.
September 7, 2025
Dr. Denham was very thorough professional and took the time to both explain and answer questions with a smile.
August 8, 2025
Very friendly doctor, easy to discuss my issues openly with him
July 25, 2025
Very professional, friendly, and informative.
July 24, 2025
Outstanding professionalism and caring attitude.
July 16, 2025
Great bedside manner. Personable and easy to talk to.
June 27, 2025
Great bedside manner and the visit was prompt, courteous, and fully resolved my questions and concerns. Great care that I have come to expect from Endeavor. Thank you.
June 22, 2025
Dr. Denham was outstanding. He took the time to listen and explain things very thoroughly. He answered all my questions and greatly alleviated my concerns.Nursing staff was also very thorough in their explanation and instructions. From registration to discharge, I was treated with kindness and compassion.
June 10, 2025
I'm a repeat customer. Dr. Denham operated on me in 2009 and did a great job, so I went back to him.
June 6, 2025
I've had to make a couple appointments lately and everyone involved has been amazing. Quick, efficient and willing to go above and beyond. Very happy.
June 6, 2025
Dr. Denham is very easy to talk to about issues and he is shows concern for your problems
June 1, 2025
Everything went very well.
May 19, 2025
Good
May 4, 2025
Dr Denham was very Informed about my tests and answered all my questions very clearly
April 16, 2025
Dr. Denham has given me good objective advice in the five years leading up to my planned surgery next month.
April 6, 2025
Was very attentive, knowledgeable and understanding.
April 5, 2025
Very caring and efficient!
April 3, 2025
Dr Denham and his staff are very informative and kind
March 31, 2025
Care provider was outstanding and answered all my questions.
March 31, 2025
Excellent care and clear explanations, thank you !
March 30, 2025
I felt very comfortable with the surgeon.
March 7, 2025
Good
February 25, 2025
He was great - explained options very clearly. Did not make me feel rushed.
February 22, 2025
Very pleased with the care I have received. Dr and team are great.
February 18, 2025
I've used Dr. Denham in the past for a hernia surgery and a gallbladder surgery. I have full confidence in him.
February 16, 2025
First time meeting Doctor. Great friendly attitude. Very helpful and understanding.
February 14, 2025
Excellent knowledge and likeable personality
February 8, 2025
After several months of different pcp doctors dismissing or minimizing my symptoms (reflux, depression, stress, pregnancy!), it was a relief to talk to this doctor who was easy to schedule and actually listened to me. I feel hopeful that this procedure will help.
January 22, 2025
There were no delays
January 9, 2025
Loved meeting w/Dr. Dehnam.... He's kind, thorough, & caring.
January 8, 2025
Punctual
January 5, 2025
Caring and friendly.
January 3, 2025
Very good & professional
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