LC
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Chen, Colon & Rectal Surgeon (Proctologist) in Boston, MA?
Dr. Lilian Chen, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Boston, MA with 1 additional practice location. Dr. Chen is fluent in English and Chinese, and is currently seeing new patients. Dr. Chen’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chen’s office.
What are Areas of Expertise for Dr. Chen?
Dr. Lilian Chen, 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. Chen empowers patients to confidently navigate their health journey, specializing in Anal Disorders & Reconstruction, Colon & Rectal Cancer & Surgery, Crohn's Disease, Hemorrhoids, Incontinence-Fecal, Incontinence/Pelvic Floor Disorders, Inflammatory Bowel Disease, Minimally Invasive Surgery, Robotic Surgery, Ulcerative Colitis, or comprehensive wellness support. Serving the Boston/MA community, Dr. Chen is dedicated to enhancing lives through expert, patient-centered care.
What languages does Dr. Chen speak?
Dr. Chen and their clinical team can communicate with patients in the following languages:
Chinese
English
What conditions does Dr. Chen treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Chen 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. Chen. 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
- Second Degree Hemorrhoids
- Hemorrhoidal Skin Tags
- Third Degree Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
- Anal skin tags
- Perianal skin tags
- Leftover hemorrhoid skin
- Swollen Veins in Anus
- Anal Lumps
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
ICD-10 Codes:
- K648: Other hemorrhoids
- K641: Second degree hemorrhoids
- K644: Residual hemorrhoidal skin tags
- K649: Unspecified hemorrhoids
- K642: Third degree hemorrhoids
Also known as:
- Colorectal Cancer
- Rectal cancer
- Colon cancer
- Bowel cancer
- Malignant neoplasm of rectum
- Colon Cancer
- Ascending Colon Cancer
- Bowel Cancer
- Colorectal Carcinoma
- Malignant neoplasm of colon
ICD-10 Codes:
- C20: Malignant neoplasm of rectum
- C182: Malignant neoplasm of ascending colon
- C189: Malignant neoplasm of colon, unspecified
Also known as:
- Anal Fistula
- Perianal Fistula
- Fistula in Anus
- Rectal Fistula
ICD-10 Codes:
- K6030: Anal fistula, 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:
- Anal Fissure
- Anal Disorder
- Rectal Tear
- Fissure in Anus
- Perianal Fissure
ICD-10 Codes:
- K602: Anal fissure, unspecified
Also known as:
- Constipation
- Difficulty Passing Stool
- Infrequent Bowel Movements
- Hard Stools
ICD-10 Codes:
- K5900: Constipation, unspecified
Also known as:
- Change in Bowel Habits
- Bowel Movement
- Altered Bowel Habits
- Irregular Bowel Movements
- Changes in Pooping
ICD-10 Codes:
- R194: Change in bowel habit
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:
- Intestine Diverticulitis
- Diverticulosis and Diverticulitis
- Inflamed Bowel Diverticula
- Bowel Diverticular Inflammation
ICD-10 Codes:
- K5792: Diverticulitis of intestine, part unspecified, without perforation or abscess without bleeding
Also known as:
- Pilonidal Cyst
- Tailbone Disorder
- Sacrococcygeal cyst
- Pilonidal sinus
- Tailbone cyst
ICD-10 Codes:
- L0591: Pilonidal cyst without abscess
Also known as:
- Colostomy Care
- Ostomy
- Stoma Care
- Bowel Diversion Care
- Ostomy Bag Management
ICD-10 Codes:
- Z433: Encounter for attention to colostomy
Also known as:
- Parastomal Hernia
- Hernia
- Stoma Hernia
- Peristomal Hernia
- Hernia near stoma
ICD-10 Codes:
- K435: Parastomal hernia without obstruction or gangrene
Also known as:
- Intestinal Obstruction
- Bowel Obstruction
- Blocked Intestines
- Gut Blockage
ICD-10 Codes:
- K56609: Unspecified intestinal obstruction, unspecified as to partial versus complete obstruction
What procedures does Dr. Chen perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Chen 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. Chen. 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:
- Hemorrhoid Removal with Rubber Band Ligation
- Hemorrhoid Removal (Ligation)
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
- Hemorrhoidectomy
- Piles Removal
- Non-Rubber Band Ligation
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
- 46946: Hemorrhoidectomy, internal, by ligation other than rubber band; 2 or more hemorrhoid columns/groups, without imaging guidance
Also known as:
- Anal Fistula Surgery
- Fistulectomy
- Fistulotomy
- Perianal Fistula Repair
- Anal Fistula Repair
CPT Codes:
- 46270: Surgical treatment of anal fistula (fistulectomy/fistulotomy); subcutaneous
- 46280: Surgical treatment of anal fistula (fistulectomy/fistulotomy); transsphincteric, suprasphincteric, extrasphincteric or multiple, including placement of seton, when performed
Also known as:
- Seton Placement
- Fistula Seton Insertion
- Drainage Seton Placement
- Anal Fistula Treatment
CPT Codes:
- 46020: Placement of seton
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:
- 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:
- 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:
- Removal of Anal Lesions (Electrocautery)
- Anal Wart Removal (Electrocautery)
- Electrosurgical Destruction of Anal Lesions
- Anus Lesion Excision
- Electrodessication of Anal Condyloma
CPT Codes:
- 46910: Destruction of lesion(s), anus (eg, condyloma, papilloma, molluscum contagiosum, herpetic vesicle), simple; electrodesiccation
Also known as:
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Does Dr. Chen accept my insurance?
Dr. Chen accepts most major insurance plans. Important: Please call our office at before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Chen accept in Boston, MA?
Dr. Chen in Boston, MA 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 Cross Blue Shield of Massachusetts
Boston Medical Center
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Medicare
Point32Health
State of Massachusetts
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Chen's office located?
Recognitions
Castle Connolly Doctor’s Choice Awards
Doctor’s Choice - All Time
Among the most nominated for the Castle Connolly Top Doctor recognition across all time
Doctor’s Choice - 2025
Among the most nominated for the Castle Connolly Top Doctor recognition in 2025
Doctor’s Choice - Last 5 Years
Among the most nominated for the Castle Connolly Top Doctor recognition in the last 5 years
What is Dr. Chen's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Chen's National Provider Identifier (NPI) number is 1780813055.
What common questions do patients ask about Dr. Chen?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Chen
What is Dr. Lilian Chen's specialty?
Dr. Chen is a Colon & Rectal Surgeon (Proctologist) near Boston, MA. 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. Chen to book an appointment today.
Is this Dr. Lilian Chen affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Chen is affiliated with Tufts 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
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 Lilian Chen accepting new patients in Boston, MA?
Yes, Dr. Lilian Chen is accepting new patients at this time.
Does Dr. Lilian Chen offer online booking?
Please contact Dr. Chen's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Lilian Chen?
Please contact Dr. Chen's office for information regarding telehealth appointment availability or for scheduling assistance.
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