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Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Oh, Colon & Rectal Surgeon (Proctologist) in San Clemente, CA?
Dr. William Oh, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in San Clemente, CA with 2 additional practice locations. He is board certified. Dr. Oh is fluent in English, Korean, and Spanish, and is currently seeing new patients. Dr. Oh’s practice accepts Cigna, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Oh’s office at (253) 301-5050.
What languages does Dr. Oh speak?
Dr. Oh and their clinical team can communicate with patients in the following languages:
English
Korean
Spanish
What conditions does Dr. Oh treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Oh 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. Oh. 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:
- Third Degree Hemorrhoids
- Perianal Blood Clot
- Second Degree Hemorrhoids
- Fourth Degree Hemorrhoids
- Hemorrhoidal Skin Tags
- Hemorrhoids
- Anal Disorder
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
- Thrombosed Hemorrhoid
- External Hemorrhoid Clot
- Blood Clot near Anus
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
- Permanently prolapsed hemorrhoids
- Grade 4 hemorrhoids
- Strangulated hemorrhoids
- Anal skin tags
- Perianal skin tags
- Leftover hemorrhoid skin
ICD-10 Codes:
- K642: Third degree hemorrhoids
- K645: Perianal venous thrombosis
- K641: Second degree hemorrhoids
- K643: Fourth degree hemorrhoids
- K644: Residual hemorrhoidal skin tags
Also known as:
- Anal Fissure
- Anal Disorder
- Rectal Tear
- Fissure in Anus
- Perianal Fissure
ICD-10 Codes:
- K602: Anal fissure, unspecified
Also known as:
- Large Intestine Diverticulitis with Perforation and Abscess
- Large Intestine Diverticulitis
- Abscess
- Diverticulosis and Diverticulitis
- Inflamed Colon Diverticula with Abscess
- Perforated Large Bowel Diverticulitis
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
ICD-10 Codes:
- K5720: Diverticulitis of large intestine with perforation and abscess without bleeding
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Colon Cancer
- Ascending Colon Cancer
- Bowel Cancer
- Colorectal Carcinoma
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C182: Malignant neoplasm of ascending colon
Also known as:
- Anal Spasm
- Anal Fistula
- Anal Disorder
- Fistulas
- Rectal Spasm
- Proctalgia Fugax
- Anal Muscle Spasm
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
ICD-10 Codes:
- K594: Anal spasm
- K603: Anal fistula
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:
- Anal Fistula
- Perianal Fistula
- Fistula in Anus
- Rectal Fistula
ICD-10 Codes:
- K6030: Anal fistula, unspecified
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:
- Rectal Prolapse
- Pelvic Floor Disorder
- Rectal Disorder
- Protruding Rectum
- Bowel Prolapse
- Rectal Eversion
ICD-10 Codes:
- K623: Rectal prolapse
Also known as:
- Anal Itching
- Anal Disorder
- Itching
- Pruritus Ani
- Itchy Anus
- Perianal Itch
ICD-10 Codes:
- L290: Pruritus ani
Also known as:
- Anal Abscess
- Abscess
- Anal Disorder
- Perianal Abscess
- Pus Pocket near Anus
- Anal Infection
ICD-10 Codes:
- K610: Anal abscess
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:
- Intestinal Obstruction
- Bowel Obstruction
- Blocked Intestine
ICD-10 Codes:
- K56699: Other intestinal obstruction unspecified as to partial versus complete obstruction
Which procedures does Dr. Oh perform as a Colon & Rectal Surgeon (Proctologist)?
As a Colon & Rectal Surgeon (Proctologist), procedures performed by a Dr. William Oh 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. Oh's office.
Does Dr. Oh accept my insurance?
Dr. Oh accepts most major insurance plans. Important: Please call our office at (253) 301-5050 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Oh accept in San Clemente, CA?
Dr. Oh in San Clemente, 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
CVS Health (formerly Aetna)
Directors Guild of America Employees
Elevance Health Inc. (formerly Anthem)
Express Scripts
Hoag Memorial Hospital Presbyterian
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Oh's office located?
Dr. William Oh's Primary Practice
1031 Avenida Pico Ste 204
San Clemente, CA 92673
(253) 301-5050
What is Dr. Oh's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Oh's National Provider Identifier (NPI) number is 1598100323.
What common questions do patients ask about Dr. Oh?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Oh
What is Dr. William Oh's specialty?
Dr. Oh is a Colon & Rectal Surgeon (Proctologist) near San Clemente, 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. Oh to book an appointment today.
Is this Dr. William Oh affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Oh is affiliated with Hoag Hospital Newport Beach, Hoag Hospital Newport Beach, Hoag Hospital Newport Beach which are a Castle Connolly Top Hospitals. 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 William Oh accepting new patients in San Clemente, CA?
Yes, Dr. William Oh is accepting new patients at this time.
Does Dr. William Oh offer online booking?
Please contact Dr. Oh's office at (253) 301-5050 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Oh?
Please contact Dr. Oh's office at (253) 301-5050 for information regarding telehealth appointment availability or for scheduling assistance.
Other Colon & Rectal Surgeon (Proctologist) Near San Clemente, CA
Colon & Rectal Surgeon (Proctologist)
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