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Dr. Siamak Milanchi, MD

Dr. Siamak Milanchi, MD

Irvine, CA

Accepting patients

    Who is Dr. Milanchi, Colon & Rectal Surgeon (Proctologist) in Irvine, CA?

    Dr. Siamak Milanchi, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Irvine, CA. He is board certified. Dr. Milanchi graduated from Tehran University Of Medical Sciences, Faculty Of Medicine and completed his residency at Cedars-Sinai Medical Center. Dr. Milanchi is fluent in English and Persian, and is currently seeing new patients. Dr. Milanchi’s practice accepts Kaiser Permanente, Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Milanchi’s office at (949) 429-0268.

    What are Areas of Expertise for Dr. Milanchi?

    Dr. Siamak Milanchi, 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. Milanchi empowers patients to confidently navigate their health journey, specializing in Anorectal Disorders, Colon & Rectal Cancer, Laparoscopic Surgery, Robotic Surgery, and comprehensive wellness support. Serving the Irvine, CA community, Dr. Milanchi is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Milanchi go to medical school and complete their residency?

    • Residency: Cedars-Sinai Medical Center

    • Medical School: Tehran University Of Medical Sciences, Faculty Of Medicine

    Is Dr. Milanchi board certified as a Colon & Rectal Surgeon (Proctologist)?

    Yes, Dr. Siamak Milanchi, MD is board certified by the American Board of Surgery

    What languages does Dr. Milanchi speak?

    Dr. Milanchi and their clinical team can communicate with patients in the following languages:

    • English

    • Persian

    What conditions does a Colon & Rectal Surgeon (Proctologist) like Dr. Milanchi typically treat?

    As a Colon & Rectal Surgeon (Proctologist), Dr. Milanchi 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. Milanchi. 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:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    Also known as:

    • Anal Fissure
    • Anal Disorder
    • Rectal Tear
    • Fissure in Anus
    • Perianal Fissure

    ICD-10 Codes:

    • K602: Anal fissure, unspecified

    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:

    • Anal Fistula
    • Perianal Fistula
    • Fistula in Anus
    • Rectal Fistula

    ICD-10 Codes:

    • K6030: Anal fistula, unspecified

    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:

    • 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:

    • Genital Warts
    • Venereal Warts
    • HPV Warts
    • Anogenital Warts

    ICD-10 Codes:

    • A630: Anogenital (venereal) warts

    What procedures does a Colon & Rectal Surgeon (Proctologist) like Dr. Milanchi typically perform?

    As a Colon & Rectal Surgeon (Proctologist), Dr. Milanchi 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. Milanchi. 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:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision

    CPT Codes:

    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 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

    Also known as:

    • Anal Fistula Surgery
    • Fistulectomy
    • Fistulotomy
    • Anal Fistula Repair
    • Intersphincteric Fistula Repair
    • Perianal Fistula Surgery

    CPT Codes:

    • 46280: Surgical treatment of anal fistula (fistulectomy/fistulotomy); transsphincteric, suprasphincteric, extrasphincteric or multiple, including placement of seton, when performed
    • 46275: Surgical treatment of anal fistula (fistulectomy/fistulotomy); intersphincteric

    Also known as:

    • Flexible Sigmoidoscopy
    • Colorectal Cancer Screening Tests
    • Sigmoidoscopy
    • Lower colon exam
    • Flexible colon scope
    • Rectum and lower colon check

    CPT Codes:

    • 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Removal of Multiple Hemorrhoids
    • Hemorrhoidectomy
    • Internal and External Hemorrhoid Surgery
    • Piles Removal Surgery

    CPT Codes:

    • 46260: Hemorrhoidectomy, internal and external, 2 or more columns/groups;

    Does Dr. Milanchi accept my insurance?

    Dr. Milanchi accepts most major insurance plans. Important: Please call our office at (949) 429-0268 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Milanchi accept in Irvine, CA?

    Dr. Milanchi in Irvine, 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

    • Cigna Group

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Medicare

    • Monarch HealthCare

    • State of California

    • UnitedHealth Group

    • Unknown

    View All Insurances

    Where is Dr. Milanchi's office located?

    Dr. Siamak Milanchi's Primary Practice

    16300 Sand Canyon Ave Ste 604

    Irvine, CA 92618

    (949) 429-0268

    Get Directions

    What is Dr. Milanchi's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Milanchi's National Provider Identifier (NPI) number is 1083829956.

    What common questions do patients ask about Dr. Milanchi?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Milanchi

    What is Dr. Siamak Milanchi's specialty?

    Dr. Milanchi is a Colon & Rectal Surgeon (Proctologist) near Irvine, CA.

    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. Siamak Milanchi affiliated with a ranked Castle Connolly Top Hospital?

    No, Milanchi is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Hoag Hospital Irvine, MemorialCare Orange Coast Medical Center. 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 Siamak Milanchi accepting new patients in Irvine, CA?

    Yes, Dr. Siamak Milanchi is accepting new patients at this time.

    Does Dr. Siamak Milanchi offer online booking?

    Please contact Dr. Milanchi's office at (949) 429-0268 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Siamak Milanchi?

    Please contact Dr. Milanchi's office at (949) 429-0268 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Siamak Milanchi have?

    Dr. Siamak Milanchi is certified by the 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>