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 Cigna, Medicaid, Medicare, UnitedHealthcare, Aetna 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 or 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, or 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 Dr. Milanchi 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.
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 Dysplasia
- Anal Disorder
- Fistulas
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
- Abnormal anal cells
- Precancerous anal changes
- Anal epithelial dysplasia
ICD-10 Codes:
- K603: Anal fistula
- K6282: Dysplasia of anus
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Malignant neoplasm of sigmoid colon
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C187: Malignant neoplasm of sigmoid colon
Also known as:
- Genital Warts
- Venereal Warts
- HPV Warts
- Anogenital Warts
ICD-10 Codes:
- A630: Anogenital (venereal) warts
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:
- Anal Fistula
- Perianal Fistula
- Fistula in Anus
- Rectal Fistula
ICD-10 Codes:
- K6030: Anal fistula, unspecified
Also known as:
- Large Intestine Diverticulitis
- Large Intestine Diverticulitis with Perforation and Abscess
- Diverticulosis and Diverticulitis
- Abscess
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
- Inflamed Colon Diverticula with Abscess
- Perforated Large Bowel Diverticulitis
ICD-10 Codes:
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
- K5720: Diverticulitis of large intestine with perforation and abscess without bleeding
Also known as:
- Rectal Bleeding
- Gastrointestinal Bleeding
- Gastrointestinal (GI) Bleeding
- Anal Bleeding
- Blood in Stool
- Lower GI Bleed
ICD-10 Codes:
- K625: Hemorrhage of anus and rectum
Also known as:
- Having a Colostomy
- Having an Ileostomy
- Ostomy
- Ostomy Surgery of the Bowel
- Colon stoma
- Bowel diversion surgery
- Large intestine ostomy
- Ileal stoma
- Small intestine ostomy
ICD-10 Codes:
- Z933: Colostomy status
- Z932: Ileostomy status
Also known as:
- Pilonidal Cyst
- Tailbone Disorder
- Sacrococcygeal cyst
- Pilonidal sinus
- Tailbone cyst
ICD-10 Codes:
- L0591: Pilonidal cyst without abscess
Also known as:
- Incomplete Bowel Emptying
- Bowel Incontinence
- Feeling of Incomplete Evacuation
- Unsatisfied Bowel Movement
- Tenesmus
ICD-10 Codes:
- R150: Incomplete defecation
Also known as:
- Rectal Prolapse
- Pelvic Floor Disorder
- Rectal Disorder
- Protruding Rectum
- Bowel Prolapse
- Rectal Eversion
ICD-10 Codes:
- K623: Rectal prolapse
Also known as:
- Complete Bowel Incontinence
- Bowel Incontinence
- Full fecal incontinence
- Total loss of bowel control
- Severe accidental bowel leakage
ICD-10 Codes:
- R159: Full incontinence of feces
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:
- Non-cancerous Rectum Growth
- Benign Tumor
- Rectal Disorder
- Benign rectal tumor
- Rectal neoplasm
- Non-malignant rectal mass
ICD-10 Codes:
- D128: Benign neoplasm of rectum
What procedures does Dr. Milanchi 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.
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
- Perianal Fistula Repair
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
- 46270: Surgical treatment of anal fistula (fistulectomy/fistulotomy); subcutaneous
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;
Also known as:
- Anal Sphincter Nerve Block
- Internal Anal Sphincter Chemodenervation
- Anal Sphincter Injection
- Botox for Anal Fissure
- Chemical Denervation of Anal Muscle
CPT Codes:
- 46505: Chemodenervation of internal anal sphincter
Also known as:
- Extensive Anal Lesion Removal
- Anal wart removal
- Destruction of anal condyloma
- Anal papilloma treatment
- Anal lesion ablation
CPT Codes:
- 46924: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), extensive (eg, laser surgery, electrosurgery, cryosurgery, chemosurgery)
Also known as:
- Removal of Anal Skin Tags
- Anal Papillae Excision
- Perianal Skin Tag Removal
- Anorectal Tag Excision
CPT Codes:
- 46230: Excision of multiple external papillae or tags, anus
Also known as:
- Flexible Sigmoidoscopy with Biopsy
- Colorectal Cancer Screening Tests
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
CPT Codes:
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
Also known as:
- Anal Fissure Removal with Muscle Release
- Fissurectomy
- Sphincterotomy
- Anal Fissure Repair
- Chronic Fissure Surgery
CPT Codes:
- 46200: Fissurectomy, including sphincterotomy, when performed
Also known as:
- Anal Lesion Excision
- Removal of Anal Warts
- Surgical Excision of Anal Lesions
- Anus Lesion Removal
CPT Codes:
- 46922: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; surgical excision
Also known as:
- Seton Placement
- Fistula Seton Insertion
- Drainage Seton Placement
- Anal Fistula Treatment
CPT Codes:
- 46020: Placement of seton
Also known as:
- Laparoscopic Partial Colon Removal
- Minimally invasive colectomy
- Laparoscopic bowel resection
- Keyhole colon surgery
CPT Codes:
- 44207: Laparoscopy, surgical; colectomy, partial, with anastomosis, with coloproctostomy (low pelvic anastomosis)
Also known as:
- Hemorrhoid Removal Surgery
- Hemorrhoidectomy
- Piles Surgery
- Internal and External Hemorrhoid Excision
CPT Codes:
- 46255: Hemorrhoidectomy, internal and external, single column/group;
Also known as:
- Hemorrhoid Removal by Heat
- Infrared Coagulation for Hemorrhoids
- Hemorrhoid Cautery
- Radiofrequency Hemorrhoid Treatment
CPT Codes:
- 46930: Destruction of internal hemorrhoid(s) by thermal energy (eg, infrared coagulation, cautery, radiofrequency)
Also known as:
- Anal Biopsy
- Rectal Wall Biopsy
- Anorectal Biopsy
- Anal Tissue Sample
CPT Codes:
- 45100: Biopsy of anorectal wall, anal approach (eg, congenital megacolon)
Also known as:
- Surgical Anorectal Exam with Anesthesia
- Anesthesia
- Diagnostic anorectal exam under anesthesia
- Rectal exam with general anesthesia
- Anorectal surgery for diagnosis
CPT Codes:
- 45990: Anorectal exam, surgical, requiring anesthesia (general, spinal, or epidural), diagnostic
Also known as:
- Extensive Pilonidal Cyst Removal
- Pilonidal Sinus Excision
- Tailbone Cyst Surgery
- Sacrococcygeal Cyst Removal
CPT Codes:
- 11771: Excision of pilonidal cyst or sinus; extensive
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
CalOptima
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Hoag Memorial Hospital Presbyterian
Medicare
Monarch HealthCare
UnitedHealthcare
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
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. 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. Milanchi to book an appointment today.
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
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 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.
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