Are you Mark Greaves, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 511 Courtyard Dr Bldg 500, Hillsborough, NJ 08844
About Dr. Greaves
Based in Hillsborough, NJ, Mark Greaves, M.D. is listed in the NPI registry under gastroenterology. Mark graduated from Clvlnd Clinic Lerner College of Med of Case Wstn RSV University in 2002. According to Medicare claims data, Mark cared for 1,299 Medicare patients across 13,411 services. The services billed most often include injection, vedolizumab, intravenous, 1 mg, injection, infliximab, excludes biosimilar, 10 mg, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1518139914 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (908) 218-9222
- Email not available
Practice Locations
511 COURTYARD DR BLDG 500
Hillsborough, NJ 08844
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
13,411 services · 1,299 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
115 | More often than most peers in Gastroenterology |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
104 | More often than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
58 | As often as other peers in Gastroenterology |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
19 | As often as other peers in Gastroenterology |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
16 | As often as other peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43259 |
11 | Less often than most peers in Gastroenterology |
| Complete ultrasound scan of abdomen | Imaging | 76700 |
11 | Less often than most peers in Gastroenterology |
| Administration of chemotherapy into vein, 1 hour or less | Treatment | 96413 |
62 | More often than most peers in Gastroenterology |
| Administration of chemotherapy into vein, each additional hour | Treatment | 96415 |
23 | As often as other peers in Gastroenterology |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
23 | As often as other peers in Gastroenterology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other gastroenterologists at this location 7
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Clvlnd Clinic Lerner College of Med of Case Wstn RSV University 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2002 at Clvlnd Clinic Lerner College of Med of Case Wstn RSV University 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in NJ who bill this service to Medicare most often.
Common questions
What is Mark Greaves's specialty?
Mark Greaves is a gastroenterologist in Hillsborough, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where can I find Mark Greaves?
Mark Greaves is listed at 511 Courtyard Dr Bldg 500, Hillsborough, NJ 08844. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mark Greaves?
The number on file is (908) 218-9222. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark Greaves's NPI number?
Mark Greaves's National Provider Identifier is 1518139914. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Mark Greaves's education?
Mark Greaves attended Clvlnd Clinic Lerner College of Med of Case Wstn RSV University, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark Greaves been practicing?
Mark Greaves has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What is Mark Greaves known for?
According to Medicare billing data, Mark Greaves performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare; reads or performs imaging such as complete ultrasound scan of abdomen; provides treatments such as administration of chemotherapy into vein, 1 hour or less and administration of chemotherapy into vein, each additional hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark Greaves confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark Greaves. If this is you, claiming it is free.
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