Doctor profile · Federal record

Dr. James Orsini, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Belleville, NJ

  • NPI 1659516813
  • Accepts Medicare
  • MIPS 87.2 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Clara Maass Dr Ste 200
Belleville, NJ 071093550
(973) 751-8880
fax (973) 751-8950

Credentials & registration

NPPES · NUCC
NPI registered
December 2008 — 18 yrs on file
Profile last updated
April 10, 2024
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
New Jersey #25MA08924600

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659516813. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
22,507
Distinct HCPCS
10
Medicare allowed
$526,920
HCPCS Description Services Patients Avg allowed
J1453 Injection, fosaprepitant, 1 mg 11,850 11 $0
J1100 Injection, dexamethasone sodium phosphate, 1 mg 2,086 22 $0
J2405 Injection, ondansetron hydrochloride, per 1 mg 1,196 15 $0
J2469 Injection, palonosetron hcl, 25 mcg 920 12 $1
36415 Insertion of needle into vein for collection of blood sample 844 220 $8
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 802 215 $8
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 610 250 $86
99214 Established patient office or other outpatient visit, 30-39 minutes 405 194 $142
99310 Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes 367 86 $166
99213 Established patient office or other outpatient visit, 20-29 minutes 345 98 $100

In context: peer comparison

Among 4 peers in this city , average services per provider: 1,286. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$694
Transactions
41
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 12 $181.02
Novartis Pharmaceuticals Corporation 5 $83.32
E.R. Squibb & Sons, L.L.C. 5 $82.42
ABBVIE INC. 3 $53.95
Merck Sharp & Dohme LLC 3 $43.37
BeiGene USA, Inc. 2 $34.54
Celgene Corporation 2 $31.60
Incyte Corporation 2 $30.36
Karyopharm Therapeutics Inc. 1 $19.46
GlaxoSmithKline, LLC. 1 $19.14
Legend Biotech USA Inc. 1 $18.80
Janssen Biotech, Inc. 1 $18.52
Regeneron Healthcare Solutions, Inc. 1 $17.53
PUMA BIOTECHNOLOGY, INC. 1 $15.29
SpringWorks Therapeutics, Inc. 1 $15.14

By nature of payment

Food and Beverage
$694

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,379
Patients
201
Total drug cost
$249,958
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 316 54 $144,321
Atorvastatin Calcium Generic 154 26 $1,647
Famotidine Generic 111 0 $890
Mirtazapine Generic 110 18 $2,784
Amlodipine Besylate Generic 109 13 $779
Metoprolol Succinate Generic 83 12 $1,172
Prednisone Generic 66 30 $481
Quetiapine Fumarate Generic 64 0 $632
Metoprolol Tartrate Generic 62 0 $448
Duloxetine Hcl Generic 56 12 $2,557

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Orsini's medical specialty?
Dr. James Orsini practices Hematology & Oncology Physician in Belleville, NJ.
Where does Dr. James Orsini practice?
Dr. James Orsini practices at 1 Clara Maass Dr Ste 200, Belleville, NJ 071093550. Office phone: 9737518880.
What is Dr. James Orsini's NPI?
Dr. James Orsini's National Provider Identifier (NPI) is 1659516813, issued by NPPES.
Does Dr. James Orsini accept Medicare assignment?
Yes. Dr. James Orsini accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Orsini commonly perform?
Top Medicare-reported procedures in 2023: Injection, fosaprepitant, 1 mg (HCPCS J1453); Injection, dexamethasone sodium phosphate, 1 mg (HCPCS J1100); Injection, ondansetron hydrochloride, per 1 mg (HCPCS J2405). Source: CMS Medicare Physician & Other Practitioners file.