MG
17 Years of Experience
Accepting patients
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, UnitedHealthcare, Aetna, Cigna 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 or 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, or 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 Dr. Greaves 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.
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
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
Also known as:
- Indigestion
- Gas in the Digestive Tract
- Indigestion (Dyspepsia)
- Dyspepsia
- Upset Stomach
- Stomach Discomfort
ICD-10 Codes:
- K30: Functional dyspepsia
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
What procedures does Dr. Greaves 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.
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:
- Diagnostic Upper Endoscopy with Biopsy
- Flexible Sigmoidoscopy with Biopsy
- Colonoscopy with Injections
- EGD with Esophageal Balloon Dilation
- Upper Endoscopy with Varices Banding
- Small Intestine Endoscopy with Biopsy
- Colorectal Cancer Screening Tests
- Colonoscopy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
- 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
- Upper Endoscopy with Esophageal Dilation
- Flexible Esophagoscopy with Balloon
- EGD with Balloon Widening
- EGD with Band Ligation
- Esophageal Varices Banding
- Gastric Varices Treatment
- Enteroscopy with Biopsy
- Small Bowel Endoscopy
- Intestinal Biopsy (Endoscopic)
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple
- 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance
- 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
- 43244: Esophagogastroduodenoscopy, flexible, transoral; with band ligation of esophageal/gastric varices
- 44361: Small intestinal endoscopy, enteroscopy beyond second portion of duodenum, not including ileum; 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:
- Upper Endoscopy with Ultrasound (EUS)
- Upper Endoscopy with Polyp Removal
- EGD with endoscopic ultrasound
- Esophageal ultrasound
- Stomach ultrasound endoscopy
- Duodenal ultrasound endoscopy
- EGD with Polypectomy
- Esophagus, Stomach, Duodenum Scope with Removal
- Flexible Endoscopy Tumor Excision
CPT Codes:
- 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis
- 43251: Esophagogastroduodenoscopy, flexible, transoral; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
Also known as:
- Liver Biopsy (Needle)
- Percutaneous liver biopsy
- Needle liver sample
- Liver tissue biopsy
- Liver needle aspiration
CPT Codes:
- 47000: Biopsy of liver, needle; percutaneous
Also known as:
- Upper Endoscopy with Ultrasound and Biopsy
- Biopsy
- Endoscopy
- Ultrasound
- EGD with Endoscopic Ultrasound Biopsy
- Transoral EUS-FNA
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis)
Also known as:
- ERCP with Gallstone Removal
- ERCP
- Endoscopic Gallstone Removal
- Biliary Duct Stone Removal
- Pancreatic Duct Cleaning
CPT Codes:
- 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)
Also known as:
- ERCP with Sphincterotomy
- Endoscopic retrograde cholangiopancreatography
- Bile duct scope
- Pancreatic duct scope
- Papillotomy
CPT Codes:
- 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
Also known as:
- Feeding Tube Placement with Endoscopy
- PEG Tube Placement
- Gastrostomy Tube Insertion
- EGD with Feeding Tube
- Percutaneous Endoscopic Gastrostomy
CPT Codes:
- 43246: Esophagogastroduodenoscopy, flexible, transoral; with directed placement of percutaneous gastrostomy tube
Also known as:
- Stopping Bleeding in Esophagus, Stomach, or Duodenum
- EGD with Bleeding Control
- Upper GI Endoscopy for Bleeding
- Gastric Bleeding Treatment
CPT Codes:
- 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method
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
Also known as:
- Esophageal pH and Impedance Test
- Esophageal pH Test
- GERD Test
- Acid Reflux Test
- Esophageal Impedance Monitoring
- 24-Hour pH Study
CPT Codes:
- 91037: Esophageal function test, gastroesophageal reflux test with nasal catheter intraluminal impedance electrode(s) placement, recording, analysis and interpretation;
Also known as:
- Esophageal Motility Study
- Esophageal manometry
- Swallowing function test
- GERD test
- Esophageal pressure study
CPT Codes:
- 91010: Esophageal motility (manometric study of the esophagus and/or gastroesophageal junction) study with interpretation and report;
Also known as:
- Wireless Esophageal pH Test
- Esophageal pH Test
- Bravo pH Test
- Esophageal Reflux Monitoring
- Acid Reflux Test
CPT Codes:
- 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation
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
Crown Cork and Seal Company
CVS Health (formerly Aetna)
Express Scripts
Horizon BlueCross BlueShield
Independence Blue Cross
Medicare
State of Tennessee
Sterling Jewelers
UnitedHealthcare
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. 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. Contact Dr. Greaves to book an appointment today.
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
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist 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 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.
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