JK
Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Knowles, Colon & Rectal Surgeon (Proctologist) in Edison, NJ?
Dr. Jonathan Knowles, MD is a Colon & Rectal Surgeon (Proctologist), who primarily practices in Edison, NJ with 2 additional practice locations. Dr. Knowles is fluent in English, and is currently seeing new patients. Dr. Knowles’s practice accepts Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Knowles’s office at (732) 635-9300.
What languages does Dr. Knowles speak?
Dr. Knowles and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Knowles treat?
As a Colon & Rectal Surgeon (Proctologist), Dr. Knowles 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. Knowles. 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:
- Second Degree Hemorrhoids
- Third Degree Hemorrhoids
- First Degree Hemorrhoids
- Hemorrhoidal Skin Tags
- Hemorrhoids
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
- Prolapsed hemorrhoids
- Grade 3 hemorrhoids
- Severe hemorrhoids
- Internal hemorrhoids
- Grade 1 hemorrhoids
- Mild hemorrhoids
- Anal skin tags
- Perianal skin tags
- Leftover hemorrhoid skin
- Piles
- Anal veins
- Swollen rectal veins
ICD-10 Codes:
- K641: Second degree hemorrhoids
- K642: Third degree hemorrhoids
- K640: First degree hemorrhoids
- K644: Residual hemorrhoidal skin tags
- K648: Other hemorrhoids
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:
- 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:
- 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:
- 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:
- Outlet Dysfunction Constipation
- Constipation
- Pelvic Floor Dysfunction Constipation
- Dyssynergic Defecation
- Obstructed Defecation
ICD-10 Codes:
- K5902: Outlet dysfunction constipation
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 Abscess
- Abscess
- Anal Disorder
- Perianal Abscess
- Pus Pocket near Anus
- Anal Infection
ICD-10 Codes:
- K610: Anal abscess
Also known as:
- Abdominal Pain
- Stomach Ache
- Belly Pain
- Stomach Pain
ICD-10 Codes:
- R109: Unspecified abdominal pain
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
Also known as:
- Ileostomy Care
- Ostomy
- Ileostomy Management
- Small Intestine Stoma Care
- Ileostomy Follow-up
ICD-10 Codes:
- Z432: Encounter for attention to ileostomy
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:
- Large Intestine Diverticulosis
- Diverticulosis and Diverticulitis
- Diverticular Disease
- Colon Diverticula
- Pockets in the Colon
ICD-10 Codes:
- K5730: Diverticulosis of large intestine without perforation or abscess without bleeding
What procedures does Dr. Knowles perform?
As a Colon & Rectal Surgeon (Proctologist), Dr. Knowles 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. Knowles. 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
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
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
Also known as:
- Laparoscopic Partial Colon Removal
- Laparoscopic Colon Mobilization
- Laparoscopic Partial Colectomy
- Minimally invasive colectomy
- Laparoscopic bowel resection
- Keyhole colon surgery
- Splenic Flexure Mobilization
- Laparoscopic Colectomy Assist
- Colon Take-down Surgery
- Minimally Invasive Colon Resection
- Keyhole Colectomy
- Ileocolostomy Surgery
CPT Codes:
- 44207: Laparoscopy, surgical; colectomy, partial, with anastomosis, with coloproctostomy (low pelvic anastomosis)
- 44213: Laparoscopy, surgical, mobilization (take-down) of splenic flexure performed in conjunction with partial colectomy (List separately in addition to primary procedure)
- 44205: Laparoscopy, surgical; colectomy, partial, with removal of terminal ileum with ileocolostomy
Also known as:
- Intestine Ostomy Closure
- Stoma Reversal Surgery
- Enterostomy Take-Down
- Bowel Ostomy Closure
CPT Codes:
- 44625: Closure of enterostomy, large or small intestine; with resection and anastomosis other than colorectal
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:
- 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:
- Hemorrhoid Removal (Ligation)
- Internal Hemorrhoid Ligation
- Hemorrhoidectomy
- Piles Removal
- Non-Rubber Band Ligation
CPT Codes:
- 46946: Hemorrhoidectomy, internal, by ligation other than rubber band; 2 or more hemorrhoid columns/groups, without imaging guidance
Also known as:
- Drainage of Perianal Abscess
- Perianal Abscess Incision
- Anal Abscess Drainage
- Superficial Perianal Abscess Treatment
CPT Codes:
- 46050: Incision and drainage, perianal abscess, superficial
Also known as:
- Biofeedback Training
- Biofeedback Therapy
- Mind-Body Training
- Physiological Feedback
CPT Codes:
- 90901: Biofeedback training by any modality
Also known as:
- Anorectal Manometry
- Rectal Pressure Test
- Anal Manometry
- Pelvic Floor Function Test
- Bowel Control Test
CPT Codes:
- 91122: Anorectal manometry
Also known as:
- Muscle Activity Test of Anal or Urethral Sphincter
- Sphincter EMG
- Anal Sphincter Electromyography
- Urethral Sphincter EMG
- Pelvic Floor Muscle Test
CPT Codes:
- 51784: Electromyography studies (EMG) of anal or urethral sphincter, other than needle, any technique
Does Dr. Knowles accept my insurance?
Dr. Knowles accepts most major insurance plans. Important: Please call our office at (732) 635-9300 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Knowles accept in Edison, NJ?
Dr. Knowles in Edison, NJ accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Carepoint Health
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Gorman-Rupp Co
Horizon BlueCross BlueShield
Medicare
Multiplan
State of New Jersey
State of Tennessee
View All Insurances
Where is Dr. Knowles' office located?
Dr. Jonathan Knowles' Primary Practice
102 James St Ste 202
Edison, NJ 08820
(732) 635-9300
What is Dr. Knowles's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Knowles's National Provider Identifier (NPI) number is 1699437897.
What common questions do patients ask about Dr. Knowles?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Knowles
What is Dr. Jonathan Knowles's specialty?
Dr. Knowles is a Colon & Rectal Surgeon (Proctologist) near Edison, NJ. 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. Knowles to book an appointment today.
Is this Dr. Jonathan Knowles affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Knowles is affiliated with Hackensack Meridian JFK University 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 Jonathan Knowles accepting new patients in Edison, NJ?
Yes, Dr. Jonathan Knowles is accepting new patients at this time.
Does Dr. Jonathan Knowles offer online booking?
Please contact Dr. Knowles's office at (732) 635-9300 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Jonathan Knowles?
Please contact Dr. Knowles's office at (732) 635-9300 for information regarding telehealth appointment availability or for scheduling assistance.
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