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Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Gan, Colon & Rectal Surgeon (Proctologist) in Kentwood, MI?
Dr. Tong Gan, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Kentwood, MI with 2 additional practice locations. Dr. Gan graduated from Ohio State University / College of Medicine. Dr. Gan is fluent in English, and is currently seeing new patients. Dr. Gan’s practice accepts Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Gan’s office at (507) 284-2511.
Where did Dr. Gan go to medical school and complete their residency?
Medical School: Ohio State University / College of Medicine
What languages does Dr. Gan speak?
Dr. Gan and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Gan treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Gan 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. Gan. 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:
- 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:
- Hemorrhoids
- Hemorrhoidal Skin Tags
- Second Degree Hemorrhoids
- Piles
- Anal veins
- Swollen rectal veins
- Anal skin tags
- Perianal skin tags
- Leftover hemorrhoid skin
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
ICD-10 Codes:
- K648: Other hemorrhoids
- K644: Residual hemorrhoidal skin tags
- K641: Second degree hemorrhoids
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:
- Anal Fissure
- Anal Disorder
- Rectal Tear
- Fissure in Anus
- Perianal Fissure
ICD-10 Codes:
- K602: Anal fissure, unspecified
Also known as:
- General Counseling Services
- Personal Counseling
- Life Coaching
- Support Services
ICD-10 Codes:
- Z7189: Other specified counseling
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 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:
- Other Muscle Disorder
- Muscle Disorder
- Various Muscle Conditions
- Uncommon Muscle Problems
- Specific Muscle Ailments
ICD-10 Codes:
- M6289: Other specified disorders of muscle
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:
- 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:
- Pilonidal Cyst
- Tailbone Disorder
- Sacrococcygeal cyst
- Pilonidal sinus
- Tailbone cyst
ICD-10 Codes:
- L0591: Pilonidal cyst without abscess
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
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 Abscess
- Abscess
- Anal Disorder
- Perianal Abscess
- Pus Pocket near Anus
- Anal Infection
ICD-10 Codes:
- K610: Anal abscess
Also known as:
- Digestive System Surgery Aftercare
- After Surgery
- Post-gastrointestinal surgery care
- Stomach surgery aftercare
- Bowel surgery recovery
ICD-10 Codes:
- Z48815: Encounter for surgical aftercare following surgery on the digestive system
Also known as:
- Other Intestinal Condition
- Colonic Disease
- Small Intestine Disorder
- Bowel Conditions
- Gut Problems
- Digestive Issues
ICD-10 Codes:
- K6389: Other specified diseases of intestine
What procedures does Dr. Gan perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Gan 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. Gan. 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:
- Colonoscopy with Polyp Removal
- Colonoscopy with Biopsy
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Hemorrhoid Ligation
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Hemorrhoid Banding
- Colon Exam with Ligation
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45398: Colonoscopy, flexible; with band ligation(s) (eg, hemorrhoids)
Also known as:
- Anal Fistula Surgery
- Anal Sphincterotomy
- Fistulectomy
- Fistulotomy
- Anal Fistula Repair
- Perianal Fistula Repair
- Intersphincteric Fistula Repair
- Perianal Fistula Surgery
- Anal Sphincter Division
- Internal Sphincterotomy
- Anal Fissure Surgery
CPT Codes:
- 46280: Surgical treatment of anal fistula (fistulectomy/fistulotomy); transsphincteric, suprasphincteric, extrasphincteric or multiple, including placement of seton, when performed
- 46270: Surgical treatment of anal fistula (fistulectomy/fistulotomy); subcutaneous
- 46275: Surgical treatment of anal fistula (fistulectomy/fistulotomy); intersphincteric
- 46080: Sphincterotomy, anal, division of sphincter (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:
- Anoscopy (Diagnostic)
- Anoscopy
- Anal Canal Exam
- Rectal Scope Exam
- Anus Diagnostic Procedure
CPT Codes:
- 46600: Anoscopy; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
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:
- 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:
- Seton Placement
- Fistula Seton Insertion
- Drainage Seton Placement
- Anal Fistula Treatment
CPT Codes:
- 46020: Placement of seton
Also known as:
- Flexible Sigmoidoscopy with Biopsy
- Colonoscopy with Injections
- Colorectal Cancer Screening Tests
- Colonoscopy
- Sigmoid Colon Scope with Biopsy
- Lower Endoscopy with Tissue Sample
- Flexible Sigmoidoscopy and Biopsy
- Rectum and Lower Colon Exam
- Flexible Colonoscopy with Injection
- Colon Scope with Medication
- Therapeutic Colonoscopy
CPT Codes:
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
Also known as:
- Drainage of Perianal Abscess
- Rectal Abscess and Fistula Surgery
- Perianal Abscess Incision
- Anal Abscess Drainage
- Superficial Perianal Abscess Treatment
- Ischiorectal abscess drainage with fistulectomy
- Perianal abscess drainage
- Fistula-in-ano surgery
- Rectal fistula treatment
CPT Codes:
- 46050: Incision and drainage, perianal abscess, superficial
- 46060: Incision and drainage of ischiorectal or intramural abscess, with fistulectomy or fistulotomy, submuscular, with or without 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:
- Hemorrhoid Removal with Rubber Band Ligation
- Rubber Band Ligation for Hemorrhoids
- Internal Hemorrhoid Ligation
- Banding of Hemorrhoids
- Hemorrhoid Banding
CPT Codes:
- 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)
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:
- Removal of Rectal Tumor
- Transanal Rectal Tumor Excision
- Partial Thickness Rectal Tumor Removal
- Rectal Lesion Excision
CPT Codes:
- 45171: Excision of rectal tumor, transanal approach; not including muscularis propria (ie, partial thickness)
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:
- 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:
- 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:
- 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:
- Anal Fistula Repair with Rectal Flap
- Rectal Advancement Flap for Fistula
- Fistula-in-Ano Repair with Flap
- Anal Fistula Surgery
CPT Codes:
- 46288: Closure of anal fistula with rectal advancement flap
Also known as:
- Anoscopy with Lesion Ablation
- Anoscopy
- Anal Lesion Removal (Anoscopy)
- Anoscopic Tumor Ablation
- Anoscopy with Polyp Treatment
CPT Codes:
- 46615: Anoscopy; with ablation of tumor(s), polyp(s), or other lesion(s) not amenable to removal by hot biopsy forceps, bipolar cautery or snare technique
Also known as:
- Simple Pilonidal Cyst Removal
- Extensive Pilonidal Cyst Removal
- Pilonidal Sinus Excision
- Tailbone Cyst Removal
- Sacrococcygeal Cyst Surgery
- Tailbone Cyst Surgery
- Sacrococcygeal Cyst Removal
CPT Codes:
- 11770: Excision of pilonidal cyst or sinus; simple
- 11771: Excision of pilonidal cyst or sinus; extensive
Also known as:
- Skin Biopsy (Punch)
- Additional Skin Biopsy (Punch)
- Skin Biopsy
- Punch Biopsy
- Skin Lesion Biopsy
- Dermal Punch Biopsy
- Multiple Punch Biopsies
- Second Skin Biopsy
- Additional Skin Lesion Biopsy
CPT Codes:
- 11104: Punch biopsy of skin (including simple closure, when performed); single lesion
- 11105: Punch biopsy of skin (including simple closure, when performed); each separate/additional lesion (List separately in addition to code for primary procedure)
Does Dr. Gan accept my insurance?
Dr. Gan accepts most major insurance plans. Important: Please call our office at (507) 284-2511 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Gan accept in Kentwood, MI?
Dr. Gan in Kentwood, MI accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Blue Cross Blue Shield of Michigan
Carpenters Funds Administrative Office (CA)
Citizens Rx
CVS Health (formerly Aetna)
Georgia-Pacific
Medicare
Spectrum / Priority Health
State of Michigan
State of Tennessee
UnitedHealthcare
View All Insurances
Where is Dr. Gan's office located?
Dr. Tong Gan's Primary Practice
4444 Kalamazoo Ave SE Ste 200
Kentwood, MI 49508
(507) 284-2511
What is Dr. Gan's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Gan's National Provider Identifier (NPI) number is 1275941791.
What common questions do patients ask about Dr. Gan?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Gan
What is Dr. Tong Gan's specialty?
Dr. Gan is a Colon & Rectal Surgeon (Proctologist) near Kentwood, MI. 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. Gan to book an appointment today.
Is this Dr. Tong Gan affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Gan is affiliated with Corewell Health Butterworth Hospital, Corewell Health Lakeland Hospitals St. Joseph Hospital, Corewell Health Pennock Hospital, Corewell Health Greenville Hospital, Bronson Battle Creek Hospital 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 Tong Gan accepting new patients in Kentwood, MI?
Yes, Dr. Tong Gan is accepting new patients at this time.
Does Dr. Tong Gan offer online booking?
Please contact Dr. Gan's office at (507) 284-2511 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Tong Gan?
Please contact Dr. Gan's office at (507) 284-2511 for information regarding telehealth appointment availability or for scheduling assistance.
Other Colon & Rectal Surgeon (Proctologist) Near Kentwood, MI
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