Karen J Sundby, MD
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This site will acquaint you with our practice and give you a better understanding of how our facility works. We take great pride in our staff's training and professional capabilities. Please feel free to ask any questions you may have regarding your medical care, fees, insurance, or other office policies.

We are concerned about you and welcome any suggestions that will improve the care you receive. We are always happy to listen to any suggestions regarding our office procedures. It is essential that our patients are well informed, relaxed, happy, and above all, confident. Mohs micrographic surgery, an advanced treatment procedure for skin cancer, offers the highest potential for recovery - even if the skin cancer has been previously treated.
Services
Mohs micrographic surgery, an advanced treatment procedure for skin cancer, offers the highest potential for recovery - even if the skin cancer has been previously treated. Dr. Sundby is a specialist both in dermatology and pathology. With her extensive knowledge of the skin and unique pathological skills, she is able to remove only diseased tissue, preserving healthy tissue and minimizing the cosmetic impact of the surgery.
The Morning of Surgery: Please bathe or shower and wash your hair to minimize your risk of surgical site infection. Please bring a list of medications and illnesses. Medications: Continue all medications prescribed by your doctor including blood thinners like Coumadin or aspirin.

However, if you are taking aspirin, ibuprofen, or herbal supplements without your doctors' orders for a medical condition, please discontinue them 10 days prior to your surgery appointment (including Anacin, Bufferin, Excedrin, Alka Seltzer, Percodan, Advil, Aleve, Motrin, Oral Vitamin E & Ginko Biloba).You may take Tylenol if needed for pain.
Mohs micrographic surgery, an advanced treatment procedure for skin cancer, offers the highest potential for recovery - even if the skin cancer has been previously treated. This procedure is state-of-the-art treatment in which the physician serves as surgeon, pathologist, and reconstructive surgeon.
Reviews (9)
Katie Christianson
Katie Christianson
Jan 22, 2022
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I recently had Moh's surgery on my leg. paperwork, preparation, and the office visit itself were all professional. The staff obviously loves working in that office... BTW the artwork and office are all lovely
Chris Thomas
Chris Thomas
Nov 23, 2021
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I MOHS surgery with Dr Sundby yesterday. My entire experience from calling to inquire about scheduling with her through being stitched up was as positive as it could be. All of my questions were answered along the way with every interaction with staff members being both professional and compassionate. They made a difficult time much easier which also helped alleviate my anxieties.
John Gregorio
John Gregorio
Jun 23, 2020
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Dr. Johnson is when compassionate physician that makes you extremely comfortable at one of your most vulnerable time. To much time in the sun during my younger days are now taking their toll. She will not judge. She’ll just address and fix the problem.
George Coleman
George Coleman
Aug 16, 2019
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Punctual, prepared, professional, personal. This rating extends to the entire office and medical staff. Had Mohs surgery today and was treated with respect, reflection and with all pertinent information and guidance for aftercare. Clearly this reflects the attitude and leadership of Dr. Johnson.
Steven Orth
Steven Orth
Aug 17, 2018
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Dr Sundby-Johnson and her staff were outstanding. Her bedside manners are awesome, the staff is friendly, I honestly had fun joking around with the entire team. The surgery went well and I have no scarring at all. You cannot tell I had surgery on my face.
Robin Konrad
Robin Konrad
Jun 06, 2018
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Don't waste your time!! Unless you have hours to wait for a scheduled appointment. It's unprofessional and RUDE to make someone wait an hour and 45 minutes for a 5 minute appointment. I politely said I'd be going to a different dermatologist because this is the THIRD time I've waited for an hour + for a scheduled appointment. Dr. Sundby had the nerve to tell me I was late...when in fact I arrived on time. She was confrontational and demonstrated POOR bedside manners. My actual appointment was a joke too - she should take more time to look at patients that have had any skin concerns.
Brian Clancy
Brian Clancy
Sep 20, 2017
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While Dr. Sundby gets good reviews for her work, she and her staff are utterly incapable of scheduling their services. On my first visit, I waited two and a half hours for a ten minute procedure. I raised the issue with them at that time. The post-procedure follow-up was scheduled for 10:00 AM some weeks later. I held out hope but what promised to be a two-minute inspection of the wound became a fifty-minute history lesson in the waiting room. By all means, if you have all of the time in the world and don't mind showing up at 7:15 AM to be seen at 10 AM, she's your gal. I have better things to
Fern Oliner
Fern Oliner
Aug 17, 2014
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I have had Mohs surgery twice by Dr. Karen Johnson. Once for melanoma and most recently basal cell carcinoma on the scalp. She is a wonderful doctor and I would give her more than 5 stars if I could. Her nurses, medical assistants are the best. Everyone in the office is so friendly and capable at what they do. If you need Mohs surgery in the Denver metro area, she is the one doctor that you want to see. The office is extremely clean including each of the surgical suites. This medical practice is the very best!!
Tad Griffith
Tad Griffith
Jan 29, 2012
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+Staff was friendly +Nice office HOWEVER: -Incision was done poorly... I've had over a dozen moles removed (mostly large moles) and her incision was far more extensive and done in a direction that caused it to split open while tying my shoes (an activity that I asked her staff about when the incision felt a little tight and her staff said, "It won't be a problem.") -Then, she charged me to fix the split stitch even though a friend that is a surgeon and looked at pictures said that she should have used a different closing technique given the location. -Doctor sent me to collections, because (per