32 Years of Experience
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Ahrendt, Surgical Oncologist in Aurora, CO?
Dr. Steven Ahrendt, MD is a Surgical Oncologist, who primarily practices in Aurora, CO with 1 additional practice location. He has been practicing for over 32 years and is board certified. Dr. Ahrendt graduated from University of Chicago Division of the Biological Sciences The Pritzker School of Medicine. Dr. Ahrendt is fluent in English and German, and is currently seeing new patients. Dr. Ahrendt’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare, Aetna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Ahrendt’s office at (720) 848-0000.
What are Areas of Expertise for Dr. Ahrendt?
Dr. Steven Ahrendt, MD is a highly-rated, board-certified Surgical Oncologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Ahrendt empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Cancer & Surgery, Gastrointestinal Cancer, Laparoscopic Surgery, Pancreatic & Biliary Surgery, Surgical Oncology, or comprehensive wellness support. Serving the Aurora/CO community, Dr. Ahrendt is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Ahrendt go to medical school and complete their residency?
Fellowship: Johns Hopkins University School of Medicine, Baltimore, MD
Medical School: University of Chicago Division of the Biological Sciences The Pritzker School of Medicine
Is Dr. Ahrendt board certified as a Surgical Oncologist?
Yes, Dr. Steven Ahrendt, MD is board certified by the American Board of Surgery
What languages does Dr. Ahrendt speak?
Dr. Ahrendt and their clinical team can communicate with patients in the following languages:
English
German
What conditions does Dr. Ahrendt treat?
As a Surgical Oncologist, Dr. Ahrendt diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Ahrendt. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colorectal Cancer
- Appendix Cancer
- Colon Cancer
- Bowel Cancer
- Colorectal Carcinoma
- Colon cancer
- Rectal cancer
- Bowel cancer
- Malignant neoplasm of colon
- Malignant neoplasm of rectum
- Malignant neoplasm of sigmoid colon
- Ascending Colon Cancer
- Malignant neoplasm of cecum
- Rectal Cancer
ICD-10 Codes:
- C181: Malignant neoplasm of appendix
- C189: Malignant neoplasm of colon, unspecified
- C20: Malignant neoplasm of rectum
- C187: Malignant neoplasm of sigmoid colon
- C182: Malignant neoplasm of ascending colon
- C180: Malignant neoplasm of cecum
- C19: Malignant neoplasm of rectosigmoid junction
Also known as:
- Secondary Peritoneal Cancer
- Cancer
- Peritoneal Disorder
- Metastatic Peritoneal Cancer
- Cancer Spread to Peritoneum
- Peritoneal Carcinomatosis
ICD-10 Codes:
- C786: Secondary malignant neoplasm of retroperitoneum and peritoneum
Also known as:
- Growth of Unknown Type in the Appendix
- Digestive System Growth of Unknown Type
- Colonic Disease
- Digestive Disease
- Indeterminate appendix mass
- Appendix tumor of unknown nature
- Appendix neoplasm of uncertain behavior
- Digestive tract tumor of unknown nature
- GI growth of unknown type
- Indeterminate digestive mass
ICD-10 Codes:
- D373: Neoplasm of uncertain behavior of appendix
- D490: Neoplasm of unspecified behavior of digestive system
Also known as:
- Pancreatic Cancer
- Pancreas Cancer
- Malignant Pancreatic Tumor
- Pancreatic Carcinoma
- Cancer of the pancreas
- Malignant neoplasm of pancreas
- Pancreatic adenocarcinoma
ICD-10 Codes:
- C259: Malignant neoplasm of pancreas, unspecified
- C250: Malignant neoplasm of head of pancreas
Also known as:
- Other non-cancerous neuroendocrine Tumor
- Neuroendocrine Tumor
- Benign Tumor
- Cancer
- Endocrine Disease
- Other benign neuroendocrine growths
- Various non-cancerous hormone-producing tumors
- Malignant NET
- Neuroendocrine Cancer
- NET Cancer
ICD-10 Codes:
- D3A8: Other benign neuroendocrine tumors
- C7A8: Other malignant neuroendocrine tumors
Also known as:
- Peritoneal Mesothelioma
- Mesothelioma
- Malignant Mesothelioma Treatment (PDQ)
- Abdominal Mesothelioma
- Malignant Peritoneal Mesothelioma
- Mesothelioma of Abdomen
- Peritoneal Asbestos Cancer
ICD-10 Codes:
- C451: Mesothelioma of peritoneum
Also known as:
- Pancreatic Cyst
- Other Specific Pancreatic Disease
- Pancreatic Disease
- Cyst on Pancreas
- Pancreatic Pseudocyst
- Fluid Sac on Pancreas
- Miscellaneous Pancreas Disorders
- Named Pancreatic Conditions
- Other Defined Pancreas Problems
ICD-10 Codes:
- K862: Cyst of pancreas
- K8689: Other specified diseases of pancreas
Also known as:
- Intestinal Obstruction
- Bowel Obstruction
- Blocked Intestines
- Gut Blockage
ICD-10 Codes:
- K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction
Also known as:
- Ileostomy Care
- Ostomy
- Ileostomy Management
- Small Intestine Stoma Care
- Ileostomy Follow-up
ICD-10 Codes:
- Z432: Encounter for attention to ileostomy
Also known as:
- Intestinal Fistula
- Colonic Disease
- Fistulas
- Small Intestine Disorder
- Bowel fistula
- Enteric fistula
- Abdominal fistula
ICD-10 Codes:
- K632: Fistula of intestine
What procedures does Dr. Ahrendt perform?
As a Surgical Oncologist, Dr. Ahrendt performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Ahrendt. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Partial Colon Removal with Rectum Connection
- Splenic Flexure Mobilization during Colon Surgery
- Laparoscopic Partial Colectomy
- Partial Colon Removal with Reconnection
- Partial Colectomy
- Low Pelvic Anastomosis
- Colon Resection with Coloproctostomy
- Splenic Flexure Take-down
- Colon Flexure Mobilization
- Colon Resection Add-on Procedure
- Minimally Invasive Colon Resection
- Keyhole Colectomy
- Ileocolostomy Surgery
- Partial Colectomy with Anastomosis
- Bowel Resection (Partial Colon)
- Colon Segment Removal
- Colon Surgery with Reattachment
CPT Codes:
- 44145: Colectomy, partial; with coloproctostomy (low pelvic anastomosis)
- 44139: Mobilization (take-down) of splenic flexure performed in conjunction with partial colectomy (List separately in addition to primary procedure)
- 44205: Laparoscopy, surgical; colectomy, partial, with removal of terminal ileum with ileocolostomy
- 44140: Colectomy, partial; with anastomosis
Also known as:
- Large Abdominal Tumor or Cyst Removal
- Medium Abdominal Tumor or Cyst Removal
- Open Removal of Abdominal Tumors or Cysts (Small)
- Large Abdominal Tumor or Cyst Removal Surgery
- Intra-abdominal tumor excision
- Peritoneal tumor removal
- Mesenteric cyst removal
- Retroperitoneal tumor destruction
- Peritoneal Tumor Excision
- Mesenteric Cyst Removal
- Retroperitoneal Tumor Surgery
- Peritoneal tumor excision
- Retroperitoneal cyst removal
- Large abdominal mass surgery
CPT Codes:
- 49205: Excision or destruction, open, intra-abdominal tumors, cysts or endometriomas, 1 or more peritoneal, mesenteric, or retroperitoneal primary or secondary tumors; largest tumor greater than 10.0 cm diameter
- 49204: Excision or destruction, open, intra-abdominal tumors, cysts or endometriomas, 1 or more peritoneal, mesenteric, or retroperitoneal primary or secondary tumors; largest tumor 5.1-10.0 cm diameter
- 49188: Excision Or Destruction, Open, Intra-Abdominal (Ie, Peritoneal, Mesenteric, Retroperitoneal), Primary Or Secondary Tumor(S) Or Cyst(S), Sum Of The Maximum Length Of Tumor(S) Or Cyst(S); 10.1 To 20 Cm
- 49203: Excision or destruction, open, intra-abdominal tumors, cysts or endometriomas, 1 or more peritoneal, mesenteric, or retroperitoneal primary or secondary tumors; largest tumor 5 cm diameter or less
- 49190: Excision Or Destruction, Open, Intra-Abdominal (Ie, Peritoneal, Mesenteric, Retroperitoneal), Primary Or Secondary Tumor(S) Or Cyst(S), Sum Of The Maximum Length Of Tumor(S) Or Cyst(S); Greater Than 30 Cm
Also known as:
- Partial Colon Removal with Small Intestine Connection
- Partial Colectomy with Ileocolostomy
- Ileocecal Resection
- Bowel Resection with Reconnection
CPT Codes:
- 44160: Colectomy, partial, with removal of terminal ileum with ileocolostomy
Also known as:
- Small Intestine Resection
- Intestine Ostomy Closure
- Removal of Intestinal Lesion
- Enterectomy
- Bowel resection
- Small bowel removal
- Intestinal surgery
- Stoma Reversal Surgery
- Enterostomy Take-Down
- Bowel Ostomy Closure
- Excision of Intestinal Lesion
- Bowel Lesion Removal
- Small Intestine Lesion Excision
- Large Intestine Lesion Excision
CPT Codes:
- 44120: Enterectomy, resection of small intestine; single resection and anastomosis
- 44625: Closure of enterostomy, large or small intestine; with resection and anastomosis other than colorectal
- 44110: Excision of 1 or more lesions of small or large intestine not requiring anastomosis, exteriorization, or fistulization; single enterotomy
Also known as:
- Laparoscopic Biopsy
- Minimally Invasive Biopsy
- Peritoneal Biopsy
- Abdominal Biopsy via Laparoscopy
CPT Codes:
- 49321: Laparoscopy, surgical; with biopsy (single or multiple)
Also known as:
- Diagnostic Laparoscopy of Abdomen
- Exploratory Laparoscopy
- Abdominal Scope
- Peritoneal Biopsy
- Omentum Biopsy
CPT Codes:
- 49320: Laparoscopy, abdomen, peritoneum, and omentum, diagnostic, with or without collection of specimen(s) by brushing or washing (separate procedure)
Also known as:
- Removal of Large Abdominal Wall Soft Tissue Tumor
- Appendectomy (During Other Surgery)
- Abdominal Tumor Excision (Large)
- Soft Tissue Tumor Removal (Abdomen)
- Deep Abdominal Wall Tumor Surgery
- Appendix Removal
- Incidental Appendectomy
- Appendectomy with another procedure
CPT Codes:
- 22901: Excision, tumor, soft tissue of abdominal wall, subfascial (eg, intramuscular); 5 cm or greater
- 44955: Appendectomy; when done for indicated purpose at time of other major procedure (not as separate procedure) (List separately in addition to code for primary procedure)
Also known as:
- Gallbladder Removal
- Cholecystectomy
- Gallbladder Surgery
- Laparoscopic Cholecystectomy
CPT Codes:
- 47600: Cholecystectomy;
Also known as:
- Ileostomy or Jejunostomy
- Ostomy
- Bowel Diversion Surgery
- Small Intestine Ostomy
- Stoma Creation (Ileum/Jejunum)
CPT Codes:
- 44310: Ileostomy or jejunostomy, non-tube
Also known as:
- Partial Stomach Removal with Bypass
- Distal Partial Gastrectomy
- Gastrojejunostomy
- Stomach Resection with Reconstruction
CPT Codes:
- 43632: Gastrectomy, partial, distal; with gastrojejunostomy
Also known as:
- Removal of Multiple Intestine Lesions
- Intestinal Lesion Excision
- Bowel Lesion Removal
- Enterotomy for Lesion Removal
- Small/Large Intestine Growth Removal
CPT Codes:
- 44111: Excision of 1 or more lesions of small or large intestine not requiring anastomosis, exteriorization, or fistulization; multiple enterotomies
Also known as:
- Laparoscopic Appendectomy
- Minimally Invasive Appendectomy
- Keyhole Appendectomy
- Scope Appendectomy
CPT Codes:
- 44970: Laparoscopy, surgical, appendectomy
Also known as:
- Whipple Procedure
- Pancreaticoduodenectomy
- Whipple operation
- Pancreas cancer surgery
- Pylorus-preserving pancreaticoduodenectomy
CPT Codes:
- 48150: Pancreatectomy, proximal subtotal with total duodenectomy, partial gastrectomy, choledochoenterostomy and gastrojejunostomy (Whipple-type procedure); with pancreatojejunostomy
Also known as:
- Total Spleen Removal for Extensive Disease
- Splenectomy
- Spleen Excision
- Removal of Spleen
CPT Codes:
- 38102: Splenectomy; total, en bloc for extensive disease, in conjunction with other procedure (List in addition to code for primary procedure)
Also known as:
- Diaphragm Resection with Simple Repair
- Diaphragm part removal and repair
- Simple diaphragm repair
- Diaphragm excision with suture
- Part of diaphragm removal
CPT Codes:
- 39560: Resection, diaphragm; with simple repair (eg, primary suture)
Also known as:
- Total Abdominal Hysterectomy
- Hysterectomy
- Abdominal Uterus Removal
- Open Hysterectomy
- Uterus and Cervix Removal
- Ovary and Tube Removal with Hysterectomy
CPT Codes:
- 58150: Total abdominal hysterectomy (corpus and cervix), with or without removal of tube(s), with or without removal of ovary(s);
Does Dr. Ahrendt accept my insurance?
Dr. Ahrendt accepts most major insurance plans. Important: Please call our office at (720) 848-0000 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Ahrendt accept in Aurora, CO?
Dr. Ahrendt in Aurora, CO accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
CVS Health (formerly Aetna)
Department of Defense / Tricare
Elevance Health Inc. (formerly Anthem)
Express Scripts
Health Care Service Corporation (HCSC)
Kaiser Permanente
Medicare
State of Colorado
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Ahrendt's office located?
What is Dr. Ahrendt's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Ahrendt's National Provider Identifier (NPI) number is 1427020734.
What common questions do patients ask about Dr. Ahrendt?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Ahrendt
What is Dr. Steven Ahrendt's specialty?
Dr. Ahrendt is a Surgical Oncologist near Aurora, CO. A surgical oncologist is a highly qualified and trained surgeon with specialized expertise in the prevention, diagnosis, treatment, and rehabilitation of cancer patients. They have received additional training in a multidisciplinary approach and dedicate a significant portion of their practice to these areas, as well as to cancer research. Contact Dr. Ahrendt to book an appointment today.
Is this Dr. Steven Ahrendt affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Ahrendt is affiliated with UCHealth University of Colorado Hospital which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Surgical Oncologist?
Explore Surgical Oncologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Steven Ahrendt accepting new patients in Aurora, CO?
Yes, Dr. Steven Ahrendt is accepting new patients at this time.
Does Dr. Steven Ahrendt offer online booking?
Please contact Dr. Ahrendt's office at (720) 848-0000 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Steven Ahrendt?
Please contact Dr. Ahrendt's office at (720) 848-0000 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Steven Ahrendt have?
Dr. Steven Ahrendt is certified by the American Board of Surgery.
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