Melissa Ann Diener, M.D.
Gastroenterology Physician · Sewell, NJ
Melissa Ann Diener, M.D. is a gastroenterology physician with a practice address in Sewell, New Jersey, and NPI 1316106347, issued on Jun 5, 2008. Check the license (New Jersey 25MA09438500, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Melissa Ann Diener
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 25MA09438500 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 239 Hurffville Crosskeys RD Ste 490, Sewell, NJ 08080
- Phone
- (856) 237-8045
- Enumerated
- Jun 5, 2008
- Record last updated
- May 8, 2026
- Fax
- (856) 237-8047
- Medicare enrollment
- Enrolled (PECOS I20140730000139); accepts Medicare assignment
- Medical or professional school
- New York University School Of Medicine, 2004
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 239 Hurffville Crosskeys RD Ste 490
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sarah Amato, PA-CMedical Physician Assistant1710260724
- Edward Bley, DOInternal Medicine Physician1326663741
- Brian CopelandGastroenterology Physician1659573525
- Anastasia Guerrini, PA-CMedical Physician Assistant1609314798
Verify Melissa Ann Diener 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 25MA09438500Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% more Medicare Part D claims than the average gastroenterology physician in 2024
844 Medicare Part D claims for 272 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.
Most prescribed
- Omeprazole186 claims
- Famotidine96 claims
- Dicyclomine Hcl90 claims
- Pantoprazole Sodium89 claims
- Amoxicillin-Clavulanate Potass24 claims
- Esomeprazole Magnesium21 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): 97.5 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: $123.64
8 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
- Advocare, LLCBerlin, NJ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gastroenterology Physician providers in New Jersey
There are 735 gastroenterology physician records in New Jersey.
Other gastroenterology physician records in New Jersey
- Bernard Aaron, M.D.Brick, NJ1962475566
- George Abdelsayed, MDNew Brunswick, NJ1144298613
- Rini Abraham, M.D.Montclair, NJ1285893321
- Melville Ackerman, MDMedford, NJ1598707580
- Faiz AfridiNewark, NJ1124480132
- Anil Agarwal, MDClifton, NJ1497704373
- Sudhir Agarwal, MDSuccasunna, NJ1215006275
- Aakash Aggarwal, MDHackensack, NJ1942597588
- Ahmed Ahmed, DOFort Lee, NJ1093219099
- Rafeeq Ahmed, M.DManahawkin, NJ1740411933
Common questions
What is Melissa Ann Diener, M.D.'s NPI number?
Melissa Ann Diener, M.D.'s National Provider Identifier (NPI) is 1316106347, issued on Jun 5, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Ann Diener, M.D. located?
The NPPES record lists a practice address at 239 Hurffville Crosskeys RD Ste 490, Sewell, NJ, 08080. Phone: (856) 237-8045. Providers update this record themselves, so call before visiting.
How can I verify Melissa Ann Diener, M.D.'s license?
NPPES lists New Jersey license number 25MA09438500, 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 Melissa Ann Diener, M.D. prescribe under Medicare Part D?
In 2024, Melissa Ann Diener, M.D. had 844 Medicare Part D claims for 272 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Melissa Ann Diener, M.D.'s MIPS final score?
The 2023 MIPS final score is 97.5 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.