Mark Greaves, M.D.
Gastroenterology Physician · Hillsborough, NJ
Mark Greaves, M.D. is a gastroenterology physician with a practice address in Hillsborough, New Jersey, and NPI 1518139914, issued on Mar 26, 2008. Check the license (New Jersey 25MA08345700, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark Greaves
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 25MA08345700 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 511 Courtyard Dr Bldg 500, Hillsborough, NJ 08844
- Phone
- (908) 218-9222
- Enumerated
- Mar 26, 2008
- Record last updated
- May 9, 2024
- Fax
- (908) 218-9818
- Medicare enrollment
- Enrolled (PECOS I20080929000706); accepts Medicare assignment
- Medical or professional school
- Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 735 in New Jersey → Look up another NPI →
Also registered at 511 Courtyard Dr Bldg 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Katrina CampionAcute Care Nurse Practitioner1871265538
- Gina Theofanidis, APNGerontology Nurse Practitioner1336797851
Verify Mark Greaves in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Jersey State Board of Medical Examiners
Search for license 25MA08345700Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average gastroenterology physician in 2024
1,630 Medicare Part D claims for 401 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Omeprazole386 claims
- Pantoprazole Sodium224 claims
- Famotidine106 claims
- Dicyclomine Hcl79 claims
- Esomeprazole Magnesium68 claims
- Linzess64 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $323.21
7 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Digestive Healthcare Center PAHillsborough, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Greaves among 735 gastroenterology physician records in New Jersey
Mark Greaves, M.D. is one of 735 gastroenterology physician records with a practice address in New Jersey. 89% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 65% of them.
- NPI issued2008 · 65% of these records are older, 29% newer
- In a Medicare fileYes · 89% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated2002 · median 2000 among the 564 with a school on file
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New Jersey practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New Jersey
There are 735 gastroenterology physician records in New Jersey.
All 735 in New Jersey → Every provider in Hillsborough → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Gary Ciambotti, M.D.Hillsborough, NJ 088441356327183
- Kristen Lee, M.D.Hillsborough, NJ 088441942442884
- Aram Manoukian, MDHillsborough, NJ 088441699847970
- Shreyas Saligram, M.D.Hillsborough, NJ 088441750512570
- Shalini GingipallyMetuchen, NJ 088401801412879
- Srinivas Vasireddi, M.D.Metuchen, NJ 088401417986167
- Bingru Xie, MDMetuchen, NJ 088401487802690
- Michael Goldberg, MDEdison, NJ 088371184622151
Common questions
What is Mark Greaves, M.D.'s NPI number?
Mark Greaves, M.D.'s National Provider Identifier (NPI) is 1518139914, issued on Mar 26, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Greaves, M.D. located?
The NPPES record lists a practice address at 511 Courtyard Dr Bldg 500, Hillsborough, NJ, 08844. Phone: (908) 218-9222. Providers update this record themselves, so call before visiting.
How can I verify Mark Greaves, M.D.'s license?
NPPES lists New Jersey license number 25MA08345700, as entered by the provider. Search the New Jersey State Board of Medical Examiners at https://newjersey.mylicense.com/verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark Greaves, M.D. prescribe under Medicare Part D?
In 2024, Mark Greaves, M.D. had 1,630 Medicare Part D claims for 401 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Mark Greaves, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.