27 Years of Experience
Who is Dr. Hayssen, Colon & Rectal Surgeon (Proctologist) in Brookfield, WI?
Dr. Theresa Hayssen, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Brookfield, WI with 2 additional practice locations. She has been practicing for over 27 years and is board certified. Dr. Hayssen graduated from Southern Illinois Univ School of Medicine and completed her residency at Spectrum Hlth-Blodgett Campus, Colon And Rectal Surgery; So Il Univ Sch Of Med, General Surgery. Dr. Hayssen is fluent in English, and is currently seeing new patients. Dr. Hayssen’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Hayssen’s office.
What are Areas of Expertise for Dr. Hayssen?
Dr. Theresa Hayssen, MD is a highly-rated, board-certified Colon & Rectal Surgeon (Proctologist) known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Hayssen empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Cancer & Surgery, Colonoscopy, Hemorrhoids, Inflammatory Bowel Disease, Pelvic Floor Disorders, and comprehensive wellness support. Serving the Brookfield, WI community, Dr. Hayssen is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Hayssen go to medical school and complete their residency?
Residency: Spectrum Hlth-Blodgett Campus, Colon And Rectal Surgery; So Il Univ Sch Of Med, General Surgery
Medical School: Southern Il Univ Sch Of Med- Springfield Il | Southern Illinois Univ School of Medicine
Is Dr. Hayssen board certified as a Colon & Rectal Surgeon (Proctologist)?
Yes, Dr. Theresa Hayssen, MD is board certified by the American Board of Colon & Rectal Surgery , American Board of Surgery
What languages does Dr. Hayssen speak?
Dr. Hayssen and their clinical team can communicate with patients in the following languages:
English
What conditions does a Colon & Rectal Surgeon (Proctologist) like Dr. Hayssen typically treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Hayssen 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. Hayssen. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
Also known as:
- Anal Fistula
- Anal Disorder
- Fistulas
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
ICD-10 Codes:
- K603: Anal fistula
What procedures does a Colon & Rectal Surgeon (Proctologist) like Dr. Hayssen typically perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Hayssen 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. Hayssen. 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. Learn more about our claims-based healthcare methodology here.
Also known as:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Hayssen accept my insurance?
Dr. Hayssen accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Hayssen accept in Brookfield, WI?
Dr. Hayssen in Brookfield, WI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Aetna
Blue Cross Blue Shield
Blue Cross Blue Shield of Illinois
Blue Cross Blue Shield of Michigan
CMS
Corporate Services
Elevance Health Inc. (formerly Anthem)
Health Payment System (HPS)
Marshfield Clinic Health System
Medicare
View All Insurances
Where is Dr. Hayssen's office located?
What is Dr. Hayssen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Hayssen's National Provider Identifier (NPI) number is 1265412365.
What common questions do patients ask about Dr. Hayssen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Hayssen
What is Dr. Theresa Hayssen's specialty?
Dr. Hayssen is a Colon & Rectal Surgeon (Proctologist) near Brookfield, WI.
What does a Colon & Rectal Surgeon (Proctologist) do?
A colon and rectal surgeon possesses the expertise to diagnose and treat a variety of ailments affecting the intestinal tract, including the colon, rectum, anal canal, and perianal area, through both medical and surgical interventions. Furthermore, this professional also engages with other organs and tissues, including the liver, urinary system, and female reproductive system, that are relevant to primary intestinal disorders.
Is this Dr. Theresa Hayssen affiliated with a ranked Castle Connolly Top Hospital?
No, Hayssen is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Ascension SE Wisconsin Hospital - Elmbrook Campus, Ascension SE Wisconsin Hospital - Franklin Campus. Castle Connolly Top Hospitals 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
When to see a Colon & Rectal Surgeon (Proctologist)?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Colon & Rectal Surgeon (Proctologist). Explore 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 Theresa Hayssen accepting new patients in Brookfield, WI?
Yes, Dr. Theresa Hayssen is accepting new patients at this time.
Does Dr. Theresa Hayssen offer online booking?
Please contact Dr. Hayssen's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Theresa Hayssen?
Please contact Dr. Hayssen's office for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Theresa Hayssen have?
Dr. Theresa Hayssen is certified by the American Board of Colon & Rectal Surgery and American Board of Surgery.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>