AK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Kaiser, Colon & Rectal Surgeon (Proctologist) in Duarte, CA?
Dr. Andreas Kaiser, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Duarte, CA with 2 additional practice locations. He is board certified. Dr. Kaiser completed his residency at University of Zurich. He is a member of the American College of Surgeons (ACS), American Medical Association (AMA), American Pancreatic Association (APA), American Society of Colon and Rectal Surgeons (ASCRS), Association for Academic Surgery (AAS), Association of Invasive and Operative Physicians of Switzerland (Foederatio Medicorum Scrutantium,, European Society of Coloproctology (ESCP), International Society of University Colorectal Surgeons (ISUCRS), Massachusetts Medical Society (MMS), Society of American Gastrointestinal and Endoscopic Surgeons (SAGES), Society for Surgery of the Alimentary Tract (SSAT), Society of Laparoendoscopic Surgeons (SLS), Society of University Surgeons (SUS), Southern California Society of Colon and Rectal Surgeons (SCSCRS), Swiss Medical Association (Foederatio Medicorum Helveticorum-FMH), Swiss Society of Visceral Surgery (SSVC), and Swiss Surgical Society (SGC). Dr. Kaiser is fluent in English, French, German, and Italian, and is currently seeing new patients. Dr. Kaiser’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Kaiser’s office at (626) 256-4673.
What are Areas of Expertise for Dr. Kaiser?
Dr. Andreas Kaiser, MD is a highly-rated, board-certified Colon & Rectal Surgeon (Proctologist) 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. Kaiser empowers patients to confidently navigate their health journey, specializing in Colon & Rectal Cancer & Surgery, Diverticulitis, Incontinence/Pelvic Floor Disorders, Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Duarte/CA community, Dr. Kaiser is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Kaiser go to medical school and complete their residency?
Fellowship: Harvard Medical School, Beth Israel Hospital, Surgical Research | University Hospital of Zurich, Visceral Surgery | USC Division of Colorectal Surgery Colon and Rectal Surgery
Residency: University of Zurich | University Hospital of Zurich, Surgery and Pediatric Surgery, 1995 - 1998
Medical School: Universitat Zurich, Medizinische Fakultat
What languages does Dr. Kaiser speak?
Dr. Kaiser and their clinical team can communicate with patients in the following languages:
English
French
German
Italian
What conditions does Dr. Kaiser treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Kaiser 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. Kaiser. 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
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Malignant neoplasm of sigmoid colon
- Malignant neoplasm of colon
- Colon Cancer
- Ascending Colon Cancer
- Bowel Cancer
- Colorectal Carcinoma
- Rectal Cancer
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C187: Malignant neoplasm of sigmoid colon
- C189: Malignant neoplasm of colon, unspecified
- C182: Malignant neoplasm of ascending colon
- C19: Malignant neoplasm of rectosigmoid junction
Also known as:
- Other Post-Surgery Condition
- Postoperative State
- Recovery After Surgery
- Surgical Follow-up
ICD-10 Codes:
- Z98890: Other specified postprocedural states
Also known as:
- Other Anal and Rectal Condition
- Anal Disorder
- Rectal Disorder
- Proctitis
- Anal Disorders
- Rectal Disorders
ICD-10 Codes:
- K6289: Other specified diseases of anus and rectum
Also known as:
- History of Radiation Therapy
- Radiation Therapy
- Past Radiation Treatment
- Previous Radiotherapy
- History of Radiotherapy
ICD-10 Codes:
- Z923: Personal history of irradiation
Also known as:
- Anal Fistula
- Anal Disorder
- Fistulas
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
ICD-10 Codes:
- K603: Anal fistula
Also known as:
- Cancer Spread to Liver and Bile Duct
- Liver Cancer
- Metastatic Liver Cancer
- Secondary Liver Tumor
- Liver Metastasis
ICD-10 Codes:
- C787: Secondary malignant neoplasm of liver and intrahepatic bile duct
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Cancer Follow-up Exam
- Cancer
- Post-cancer treatment checkup
- Malignancy surveillance
- Oncology follow-up
ICD-10 Codes:
- Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm
Also known as:
- Anal Cancer
- Anal Cancer Treatment (PDQ®)
- Anus Cancer
- Anal Carcinoma
ICD-10 Codes:
- C210: Malignant neoplasm of anus, unspecified
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:
- Loss of Digestive Organ Part
- Digestive Disease
- Digestive Tract Removal
- Missing Digestive Organ
- Gastrointestinal Resection
ICD-10 Codes:
- Z9049: Acquired absence of other specified parts of digestive tract
Also known as:
- History of rectal or anal cancer
- Colorectal Cancer
- Past rectal cancer
- Anal cancer survivor
- Previous rectosigmoid malignancy
ICD-10 Codes:
- Z85048: Personal history of other malignant neoplasm of rectum, rectosigmoid junction, and anus
Also known as:
- Exposure to COVID-19
- COVID-19 (Coronavirus Disease 2019)
- COVID-19 contact
- Suspected coronavirus exposure
- SARS-CoV-2 exposure
ICD-10 Codes:
- Z20822: Contact with and (suspected) exposure to COVID-19
Also known as:
- Vaginal-Intestinal Fistula
- Colonic Disease
- Fistulas
- Vaginal Disease
- Rectovaginal Fistula
- Colovaginal Fistula
- Vaginal Bowel Fistula
ICD-10 Codes:
- N823: Fistula of vagina to large intestine
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
Which procedures does Dr. Kaiser perform as a Colon & Rectal Surgeon (Proctologist)?
As a Colon & Rectal Surgeon (Proctologist), procedures performed by a Dr. Andreas Kaiser may include:
- Abdominal Colorectal Surgery
- Anal Pap Smear
- Anoscopy
- Colon Cancer Screening
- Colorectal Surgeon Consultation
- Colorectal Surgeon Follow Up
- Colorectal Surgery
- Colorectal Surgery Second Opinion
For detailed information, please contact Dr. Kaiser's office.
Does Dr. Kaiser accept my insurance?
Dr. Kaiser accepts most major insurance plans. Important: Please call our office at (626) 256-4673 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Kaiser accept in Duarte, CA?
Dr. Kaiser in Duarte, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
CalOptima
Centene
City of Los Angeles
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Kaiser's office located?
Recognitions
Memberships & Associations
American College of Surgeons (ACS)
Member
American Medical Association (AMA)
Member
American Pancreatic Association (APA)
Member
American Society of Colon and Rectal Surgeons (ASCRS)
Member
Association for Academic Surgery (AAS)
Member
Association of Invasive and Operative Physicians of Switzerland (Foederatio Medicorum Scrutantium,
Member
European Society of Coloproctology (ESCP)
Member
International Society of University Colorectal Surgeons (ISUCRS)
Member
Massachusetts Medical Society (MMS)
Member
Society of American Gastrointestinal and Endoscopic Surgeons (SAGES)
Member
Society for Surgery of the Alimentary Tract (SSAT)
Member
Society of Laparoendoscopic Surgeons (SLS)
Member
Society of University Surgeons (SUS)
Member
Southern California Society of Colon and Rectal Surgeons (SCSCRS)
Member
Swiss Medical Association (Foederatio Medicorum Helveticorum-FMH)
Member
Swiss Society of Visceral Surgery (SSVC)
Member
Swiss Surgical Society (SGC)
Member
What is Dr. Kaiser's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Kaiser's National Provider Identifier (NPI) number is 1720092679.
What common questions do patients ask about Dr. Kaiser?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Kaiser
What is Dr. Andreas Kaiser's specialty?
Dr. Kaiser is a Colon & Rectal Surgeon (Proctologist) near Duarte, CA. 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. Contact Dr. Kaiser to book an appointment today.
Is this Dr. Andreas Kaiser affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Kaiser is affiliated with City of Hope - Duarte Cancer Center 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 Colon & Rectal Surgeon (Proctologist)?
Explore Colon & Rectal Surgeon (Proctologist) 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 Andreas Kaiser accepting new patients in Duarte, CA?
Yes, Dr. Andreas Kaiser is accepting new patients at this time.
Does Dr. Andreas Kaiser offer online booking?
Please contact Dr. Kaiser's office at (626) 256-4673 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Andreas Kaiser?
Please contact Dr. Kaiser's office at (626) 256-4673 for information regarding telehealth appointment availability or for scheduling assistance.
Other Colon & Rectal Surgeon (Proctologist) Near Duarte, CA
YZ
Colon & Rectal Surgeon (Proctologist)
Accepting patientsDr. Yasmin Zerhouni is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Arcadia, CA with 2 additional practice locations. She is board certified.
Arcadia, CA
Surgeon
Accepting patientsDr. David Wang, MD is a Surgeon, who primarily practices in Covina, CA with 2 additional practice locations. He has been practicing for over 30 years and is board certified by the American Board of Colon & Rectal Surgery and American Board of Surgery.
Covina, CA
KM
Colon & Rectal Surgeon (Proctologist)
Accepting patientsDr. Kurt Melstrom, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Glendora, CA with 2 additional practice locations. He has been practicing for over 16 years and is board certified.
Glendora, CA