17 Years of Experience
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Greaves, Gastroenterologist in Hillsborough, NJ?
Dr. Mark Greaves, MD is a Gastroenterologist, who primarily practices in Hillsborough, NJ with 1 additional practice location. He has been practicing for over 17 years. Dr. Greaves graduated from Case Western Reserve University School of Medicine. Dr. Greaves is fluent in English, Arabic, French, Italian, Korean, and Spanish, and is currently seeing new patients. Dr. Greaves’s practice accepts Medicaid, Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Greaves’s office.
What are Areas of Expertise for Dr. Greaves?
Dr. Mark Greaves, MD is a highly-rated, board-certified Gastroenterologist 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. Greaves empowers patients to confidently navigate their health journey, specializing in Endoscopic Therapies, Endoscopic Ultrasound, Endoscopy, Gastroesophageal Reflux Disease (GERD), Hepatitis-Chronic, Pancreatic & Biliary Disease, and comprehensive wellness support. Serving the Hillsborough, NJ community, Dr. Greaves is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Greaves go to medical school and complete their residency?
Medical School: Case Western Reserve University School of Medicine
What languages does Dr. Greaves speak?
Dr. Greaves and their clinical team can communicate with patients in the following languages:
Arabic
English
French
Italian
Korean
Spanish
What conditions does a Gastroenterologist like Dr. Greaves typically treat?
As a Gastroenterologist, Dr. Greaves 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. Greaves. 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:
- 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:
- Acid Reflux
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- Fatty Liver Disease
- Liver Disease
- Nonalcoholic Fatty Liver Disease (NAFLD) & NASH
- Nonalcoholic Fatty Liver Disease & NASH in Children
- NAFLD
- NASH
- Hepatic steatosis
ICD-10 Codes:
- K760: Fatty (change of) liver, not elsewhere classified
What procedures does a Gastroenterologist like Dr. Greaves typically perform?
As a Gastroenterologist, Dr. Greaves 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. Greaves. 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:
- Colonoscopy with Biopsy
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
CPT Codes:
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
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:
- 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:
- Liver Elastography
- Elastography
- FibroScan
- Liver stiffness test
- Shear wave elastography
CPT Codes:
- 91200: Liver elastography, mechanically induced shear wave (eg, vibration), without imaging, with interpretation and report
Does Dr. Greaves accept my insurance?
Dr. Greaves 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. Greaves accept in Hillsborough, NJ?
Dr. Greaves in Hillsborough, 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
Cigna Group
CVS Health (formerly Aetna)
Horizon BlueCross BlueShield
Horizon Mutual Holdings
Independence Health Group
Medicare
Mutual of Omaha
UMR Administered Payer
UnitedHealth Group
View All Insurances
Where is Dr. Greaves' office located?
What is Dr. Greaves's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Greaves's National Provider Identifier (NPI) number is 1518139914.
What common questions do patients ask about Dr. Greaves?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Greaves
What is Dr. Mark Greaves's specialty?
Dr. Greaves is a Gastroenterologist near Hillsborough, NJ.
What does a Gastroenterologist do?
An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs.
Is this Dr. Mark Greaves affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Greaves is affiliated with Robert Wood Johnson University Hospital - Somerset 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 Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. 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 Mark Greaves accepting new patients in Hillsborough, NJ?
Yes, Dr. Mark Greaves is accepting new patients at this time.
Does Dr. Mark Greaves offer online booking?
Please contact Dr. Greaves's office for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Mark Greaves?
Please contact Dr. Greaves's office 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>