James Orsini, M.D.
Internal Medicine Physician · Belleville, NJ
James Orsini, M.D. is an internal medicine physician with a practice address in Belleville, New Jersey, and NPI 1659516813, issued on Dec 2, 2008. Check the license (New Jersey 25MA08924600, as entered in NPPES) on the New Jersey State Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- James Orsini
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 25MA08924600 NJ
Self-reported in NPPES; status is on the state search - Practice location
- 1 Clara Maass Dr Ste 200, Belleville, NJ 07109
- Phone
- (973) 751-8880
- Enumerated
- Dec 2, 2008
- Entity
- Type 1 · individual
Also registered at 1 Clara Maass Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ruby Basilio, FNPFamily Nurse Practitioner1487387593
- Kyung ChuAdult Health Nurse Practitioner1962724393
- John Conti, MDHematology & Oncology Physician1811973084
- Susan Harrison, A.P.N.Nurse Practitioner1942286117
- James Orsini, MDHematology & Oncology Physician1922084185
- Said Saleh, MDHematology & Oncology Physician1447236617
Verify James Orsini 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 25MA08924600Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
27% more Medicare Part D claims than the average internal medicine physician in 2024
3,528 Medicare Part D claims for 267 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 40 claims were for opioids.
Most prescribed
- Eliquis270 claims
- Atorvastatin Calcium189 claims
- Pantoprazole Sodium111 claims
- Amlodipine Besylate105 claims
- Mirtazapine83 claims
- Sertraline Hcl79 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 Medicare quality score for 2023: 93 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: $694.39
43 payments, mostly food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Regional Cancer Care Associates LLCMontclair, NJ
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
23 internal medicine physician records list a Belleville practice address
They are 23 of the 561 NPPES records with a Belleville practice address, and 5,156 internal medicine physician records in New Jersey.
All 23 in Belleville → All 5,156 in New Jersey → Every provider in Belleville →
Other internal medicine physician records in New Jersey
- Joseph Aaron, MD, FACPShort Hills, NJ1861584633
- Sirike Aasmaa, DOMontville, NJ1861549925
- Holly Abate Bersalona, M.D.Sea Girt, NJ1669500492
- Kaniz Zehra Abbas, MDTrenton, NJ1598253858
- Shahida Abbas, MDOld Bridge, NJ1023104098
- Shahed AbbasiNewark, NJ1477810752
- Samih Abbassi, MDWest Orange, NJ1750380358
- Somaya Abboud, MDWest Orange, NJ1326089004
- Hilal Abboushi, MDBloomfield, NJ1548378029
- Majdi Abdalla, M.D.Atlantic City, NJ1922230135
Common questions
What is James Orsini, M.D.'s NPI number?
James Orsini, M.D.'s National Provider Identifier (NPI) is 1659516813, issued on Dec 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is James Orsini, M.D. located?
The NPPES record lists a practice address at 1 Clara Maass Dr Ste 200, Belleville, NJ, 07109. Phone: (973) 751-8880. Providers update this record themselves, so call before visiting.
How can I verify James Orsini, M.D.'s license?
NPPES lists New Jersey license number 25MA08924600, 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 James Orsini, M.D. prescribe under Medicare Part D?
In 2024, James Orsini, M.D. had 3,528 Medicare Part D claims for 267 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is James Orsini, M.D.'s Medicare quality score?
The 2023 MIPS final score is 93 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.