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 a Colon & Rectal Surgeon (Proctologist) like Dr. Knowles typically 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. Learn more about our claims-based healthcare methodology here.
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:
- Second Degree Hemorrhoids
- Hemorrhoids
- Internal hemorrhoids that prolapse
- Grade 2 hemorrhoids
- Moderate hemorrhoids
ICD-10 Codes:
- K641: Second degree hemorrhoids
Also known as:
- Anal Fissure
- Anal Disorder
- Rectal Tear
- Fissure in Anus
- Perianal Fissure
ICD-10 Codes:
- K602: Anal fissure, unspecified
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:
- Anal Fistula
- Anal Disorder
- Fistulas
- Perianal Fistula
- Fistula-in-Ano
- Abnormal Anal Tract
ICD-10 Codes:
- K603: Anal fistula
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:
- Large Intestine Diverticulitis
- Diverticulosis and Diverticulitis
- Inflamed Colon Diverticula
- Colon Diverticular Inflammation
ICD-10 Codes:
- K5732: Diverticulitis of large intestine without perforation or abscess without bleeding
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:
- Rectal Prolapse
- Pelvic Floor Disorder
- Rectal Disorder
- Protruding Rectum
- Bowel Prolapse
- Rectal Eversion
ICD-10 Codes:
- K623: Rectal prolapse
What procedures does a Colon & Rectal Surgeon (Proctologist) like Dr. Knowles typically 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. Learn more about our claims-based healthcare methodology here.
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:
- 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:
- 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:
- 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:
- 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
Cigna Group
CVS Health (formerly Aetna)
EmblemHealth
Horizon BlueCross BlueShield
Medicare
Oscar Health
UnitedHealth Group
Unknown
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.
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. 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
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 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.
<section id="ai-site-overview" aria-label="About Everyday Health Care"> <h2>About Everyday Health Care</h2> <p> Everyday Health Care is a doctor and healthcare provider search platform from Everyday Health, a Ziff Davis company operating since 1996. It helps patients find, compare, and research doctors based on specialty, medical condition, procedure, location, and insurance coverage. </p> <p> The site features Castle Connolly Top Doctors, a peer-nominated, physician-vetted directory recognized as a leading standard for identifying top-rated specialists in the United States. Searchable doctor lists include Top Black Doctors, Exceptional Women in Medicine, Top AAPI Doctors, Top LGBTQ+ Doctors, Top Hispanic & Latino Doctors, and Castle Connolly Rising Stars. </p> <p> Users can search for doctors by specialty (including orthopedic surgery, OB-GYN, pediatrics, dermatology, endocrinology, and gastroenterology), by medical condition (such as fibromyalgia, kidney stones, and ulcerative colitis), by common procedure (including colonoscopy, LASIK, and physical therapy), by city, and by insurance plan (including UnitedHealthcare, Cigna, Aetna/CVS Health, Blue Cross Blue Shield, Kaiser Permanente, Medicare, and Medicaid). </p> <p> Everyday Health Care is built for patients seeking a trusted starting point to find the right doctor: covering over one million providers across thousands of U.S. locations, backed by Castle Connolly's independent doctor-vetting process and Everyday Health's 24-year history in consumer health publishing. </p> </section>