EverydayHealthLogo
Dr. Mary Kwaan, MD

Dr. Mary Kwaan, MD

Los Angeles, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Kwaan, Colon & Rectal Surgeon (Proctologist) in Los Angeles, CA?

    Dr. Mary Kwaan, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Los Angeles, CA with 2 additional practice locations. She is board certified. Dr. Kwaan completed her residency at Brigham and Women's Hospital. Dr. Kwaan is fluent in English, and is currently seeing new patients. Dr. Kwaan’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. Kwaan’s office at (310) 794-7788.

    What are Areas of Expertise for Dr. Kwaan?

    Dr. Mary Kwaan, 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. Kwaan empowers patients to confidently navigate their health journey, specializing in Anorectal Disorders, Colon & Rectal Cancer & Surgery, Crohn's Disease, Diverticulitis, and comprehensive wellness support. Serving the Los Angeles, CA community, Dr. Kwaan is dedicated to enhancing lives through expert, patient-centered care.

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

    • Fellowship: University of Minnesota (Colon and Rectal Surgery) | University of Minnesota, Fellow:Colon and Rectal Surgery

    • Residency: Brigham and Women's Hospital | Brigham and Women's Hospital

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

    Yes, Dr. Mary Kwaan, MD is board certified by the American Board of Surgery

    What languages does Dr. Kwaan speak?

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

    • English

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

    As a Colon & Rectal Surgeon (Proctologist), Dr. Kwaan 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. Kwaan. 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
    • Third Degree Hemorrhoids
    • Hemorrhoidal Skin Tags
    • Piles
    • Anal veins
    • Swollen rectal veins
    • Prolapsed hemorrhoids
    • Grade 3 hemorrhoids
    • Severe hemorrhoids
    • Anal skin tags
    • Perianal skin tags
    • Leftover hemorrhoid skin

    ICD-10 Codes:

    • K648: Other hemorrhoids
    • K642: Third degree hemorrhoids
    • K644: Residual hemorrhoidal skin tags

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

    ICD-10 Codes:

    • K602: Anal fissure, 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:

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

    ICD-10 Codes:

    • K6030: Anal fistula, unspecified

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

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

    • 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:

    • Laparoscopic Colon Mobilization
    • Laparoscopic Partial Colon Removal
    • Splenic Flexure Mobilization
    • Laparoscopic Colectomy Assist
    • Colon Take-down Surgery
    • Minimally Invasive Colectomy
    • Laparoscopic Bowel Resection
    • Keyhole Colon Surgery

    CPT Codes:

    • 44213: Laparoscopy, surgical, mobilization (take-down) of splenic flexure performed in conjunction with partial colectomy (List separately in addition to primary procedure)
    • 44204: Laparoscopy, surgical; colectomy, partial, with anastomosis

    Also known as:

    • Seton Placement
    • Fistula Seton Insertion
    • Drainage Seton Placement
    • Anal Fistula Treatment

    CPT Codes:

    • 46020: Placement of seton

    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:

    • Anoscopy with Biopsy
    • Biopsy
    • Anoscopy
    • Anal Scope with Tissue Sample
    • Rectal Biopsy
    • Anorectal Exam with Biopsy

    CPT Codes:

    • 46606: Anoscopy; with biopsy, single or multiple

    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

    Does Dr. Kwaan accept my insurance?

    Dr. Kwaan accepts most major insurance plans. Important: Please call our office at (310) 794-7788 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Kwaan accept in Los Angeles, CA?

    Dr. Kwaan in Los Angeles, 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

    • Centene Corporation

    • Cigna Group

    • City of Los Angeles

    • Elevance Health Inc. (formerly Anthem)

    • L.A. Care Health Plan

    • Medicare

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Kwaan's office located?

    Suite 310

    200 UCLA Medical Plz Ste 214

    Los Angeles, CA 90095

    (310) 794-7788

    Get Directions

    Dr. Mary Kwaan's Practice 2

    1260 15th St Ste 1200

    Santa Monica, CA 90404

    Get Directions

    Dr. Mary Kwaan's Practice 3

    757 Westwood Plz Fl 7

    Los Angeles, CA 90095

    Get Directions

    Recognitions

    Awards

    Harvard School of Public Health, Masters in Public

    Health, .

    Best Doctors for Women Minnesota Monthly Magazine

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

    Dr. Kwaan's National Provider Identifier (NPI) number is 1588732911.

    What common questions do patients ask about Dr. Kwaan?

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

    What is Dr. Mary Kwaan's specialty?

    Dr. Kwaan is a Colon & Rectal Surgeon (Proctologist) near Los Angeles, 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. Mary Kwaan affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Kwaan is affiliated with Ronald Reagan Ucla Medical 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

    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 Mary Kwaan accepting new patients in Los Angeles, CA?

    Yes, Dr. Mary Kwaan is accepting new patients at this time.

    Does Dr. Mary Kwaan offer online booking?

    Please contact Dr. Kwaan's office at (310) 794-7788 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Mary Kwaan?

    Please contact Dr. Kwaan's office at (310) 794-7788 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Mary Kwaan have?

    Dr. Mary Kwaan is certified by the American Board of Surgery.

    Other Colon & Rectal Surgeon (Proctologist) Near Los Angeles, CA

    acceptingPatients-iconAccepting patients
    Los Angeles, CA
    MR

    Colon & Rectal Surgeon (Proctologist)

    acceptingPatients-iconAccepting patients
    Santa Monica, CA
    AL

    Colon & Rectal Surgeon (Proctologist)

    acceptingPatients-iconAccepting patients
    Los Angeles, CA
    See All Specialists

    Doctors by Category

    Specialists