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Rodney J. Kratz, MD

Colorectal Surgeon
Languages: English
Accepting New Patients
Indiana University School of Medicine
Medical School
General Surgery, Indiana University
Colon and Rectal Surgery, Northwest Colon and Rectal Clinic, Seattle, WA
Professional Associations
Personal Interests
Soccer, Snowboarding, Crossfit
Board Certifications
  • American Board of Colon and Rectal Surgery, Surgery, Colorectal
Clinical Interests
  • altemeier procedure
  • anal cerclage
  • anal dilation
  • anal fistula repair
  • anal incontinence surgery
  • bowel resection
  • cancer of ge junction
  • cancer surgery
  • carcinoid of stomach
  • colon stenting
  • colonoscopy
  • colorectal malignancy
  • colorectal screening
  • cryoablation
  • cystadenoma of pancreas
  • cytoreduction surgery
  • delorme procedure
  • diverticular disease
  • diverticulitis
  • endoscopic mucosal resection
  • gastric anomaly
  • gastric ulcer surgery
  • gastric volvulus
  • gastrin secreting tumor of pancreas
  • gastroduodenal fistula
  • gastrointestinal stromal tumor
  • gastrojejunostomy
  • hemorrhoid treatment
  • hemorrhoids
  • idiopathic megacolon
  • ileitis
  • ileoscopy
  • ileostomy
  • incision of anal septum
  • inflammatory bowel disease
  • laparoscopic abdominoperineal resection of the rectum
  • laparoscopic cecectomy
  • laparoscopic rectal prolapse repair
  • laparoscopy
  • leiomyosarcoma
  • liposarcoma
  • malignant neoplasm of colon
  • megacolon
  • megarectum
  • melanoma on ear
  • melanoma on face
  • metastatic colon cancer
  • metastatic melanoma
  • mile's resection
  • myxofibrosarcoma
  • natural orifice transluminal endoscopic surgery
  • neuroendocrine tumors
  • pelvic mass
  • pilonidal cyst
  • polypectomy
  • proctectomy
  • rectocele
  • rectourethral fistua
  • refashioning of colostomy
  • repair of paracolostomy hernia
  • repair of rectovaginal fistula
  • retroperitoneal sarcoma
  • sigmoidoscopy
  • solesta
  • surgical staging
  • surgical treatment of ulcerative colitis
Colon or rectal cancer diagnosis: should I get a second opinion?
How to prepare for Colonoscopy
Rodney J. Kratz
Blog Posts
By: Rodney Jon Kratz, MD
Wednesday, May 22, 2013

Pilonidal disease is a subcutaneous skin infection that occurs in the upper half of the gluteal cleft (the tailbone area, and/or between the buttocks). 


The term “Pilonidal” means nest of hairs.  Interestingly, in 50% of reported cases, there was not any hair found within the pilonidal abscess.  This is routinely the case for females.  Although hair can contribute, the most common cause of pilonidal disease is an exploded follicle called a pit, which is located in the gluteal cleft, or midline region (between the buttocks). 

Who is at risk for Pilonidal disease?

Pilonidal disease is only slightly more common in men than women, and is most likely to occur between the ages of 16 – 26, correlating with puberty.  It should be noted that pilonidal disease can develop in younger and older age groups.  Pilonidal disease occurs less in Asian and black populations.  Other ri...

By: Rodney Jon Kratz, MD
Thursday, March 1, 2012

In many cases, people who have had colonoscopy will say that the procedure itself was fine, since it is performed while the patient is under sedation. However, people tend to feel less favorable about the prep involved prior to the procedure. I recently had my first colonoscopy and decided to document my personal experience of the prep process on video to share with others.



Other frequently asked questions about colonoscopy:


The Patient Rating score is based on responses given during the CAHPS Patient Experience Survey.Responses are measured on a 10 - point scale, with 10 being the best score. These scores are then translated to a 5 - point scale in order to display results in a 5 - star rating.Comments are also gathered from the same survey and displayed in their entirety with the exception of any language that may be considered slander, libel or contain private health information, which will be removed prior to publishing the comments.

4.4 out of 5 (31 Ratings, 3 Comments)


very good

I wish the surgeon would have actually examined me. The visit was all talk, nothing else.

I was impress with dr. time, explanation about my care and he answering all questions with detail and easy.
Swedish Colon & Rectal Clinic - Issaquah
751 Northeast Blakely Drive Suite 4535
Issaquah, WA 98029
Swedish Colon Rectal Clinic - First Hill
1101 Madison Street Floor 5
Seattle, WA 98104
Swedish Colon & Rectal Clinic - Ballard
1801 Northwest Market Street Suite 207
Seattle, WA 98107
Affiliated Facilities
Swedish Issaquah
Swedish Cherry Hill
Swedish First Hill
Swedish Edmonds