Doctor profile · Federal record
Dr. Robert Fein, MD
Medical Oncology Physician (CMS: Hematology/Oncology) · Hematology & Oncology Physician · Somerset, NJ
- NPI 1801887286
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 47 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
75 Veronica Ave, Suite 201
Somerset, NJ 088735002
(732) 246-4882
fax (732) 828-2103 - Additional location
-
1 Washington Blvd Ste 9
Robbinsville, NJ 086913162
(732) 314-0540
fax (609) 934-4140 - Additional location
-
629 Cranbury RD Fl 2
East Brunswick, NJ 088164096
(732) 390-7750
fax (732) 390-7725 - Additional location
-
9 Centre Dr Ste 100
Monroe Township, NJ 088315153
(609) 395-5577
fax (609) 395-7955 - Mailing address
-
629 Cranbury RD Fl 2
East Brunswick, NJ 088164096
Show 1 more location
Credentials & registration
- NPI registered
- November 2005 — 21 yrs on file
- Profile last updated
- August 7, 2025
- Year of graduation
- 1979 — 47 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- New Jersey #25MA04368800
- Medicaid (2)
- NJ #0767808 · NJ #5426600
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1801887286. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
105,572
Distinct HCPCS
10
Medicare allowed
$1,432,310
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J1439 |
Injection, ferric carboxymaltose, 1 mg | 53,250 | 59 | $1 | |
J9271 |
Injection, pembrolizumab, 1 mg | 12,200 | 17 | $54 | |
J1756 |
Injection, iron sucrose, 1 mg | 10,800 | 24 | $0 | |
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 8,640 | 11 | $3 | |
J0897 |
Injection, denosumab, 1 mg | 6,720 | 31 | $22 | |
J1449 |
Injection, eflapegrastim-xnst, 0.1 mg | 2,376 | 11 | $31 | |
J9395 |
Injection, fulvestrant, 25 mg | 1,550 | 14 | $10 | |
J1100 |
Injection, dexamethasone sodium phosphate, 1 mg | 1,302 | 43 | $0 | |
J1437 |
Injection, ferric derisomaltose, 10 mg | 1,300 | 13 | $21 | |
36415 |
Insertion of needle into vein for collection of blood sample | 1,248 | 593 | $8 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 2,455. This provider delivers 43× the peer median.Open Payments
Industry payments received
All-time total
$1,138
Transactions
39
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | 3 | $90.39 | |
| Regeneron Healthcare Solutions, Inc. | 4 | $85.09 | |
| Mirati Therapeutics, Inc. | 3 | $72.86 | |
| PFIZER INC. | 3 | $60.13 | |
| Novartis Pharmaceuticals Corporation | 3 | $54.89 | |
| Janssen Biotech, Inc. | 3 | $52.00 | |
| Merck Sharp & Dohme LLC | 3 | $51.76 | |
| Daiichi Sankyo Inc. | 2 | $47.77 | |
| Stemline Therapeutics Inc. | 2 | $44.82 | |
| Blueprint Medicines Corporation | 3 | $44.64 | |
| Apellis Pharmaceuticals, Inc. | 2 | $37.74 | |
| Incyte Corporation | 2 | $36.25 | |
| Ipsen Biopharmaceuticals, Inc | 2 | $33.70 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 2 | $33.50 | |
| Astellas Pharma US Inc | 2 | $33.34 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,319
Patients
315
Total drug cost
$2,519,952
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Anastrozole | Generic | 579 | 170 | $19,405 |
| Ibrance (Palbociclib) | Brand | 99 | 0 | $1,523,479 |
| Procrit (Epoetin Alfa) | Brand | 95 | 12 | $166,410 |
| Aranesp (Darbepoetin Alfa In Polysorbat) | Brand | 75 | 12 | $177,631 |
| Lupron Depot (Leuprolide Acetate) | Brand | 66 | 14 | $261,092 |
| Ibandronate Sodium | Generic | 59 | 17 | $3,265 |
| Exemestane | Generic | 58 | 18 | $14,012 |
| Alprazolam | Generic | 56 | 18 | $267 |
| Letrozole | Generic | 52 | 19 | $2,354 |
| Prednisone | Generic | 49 | 22 | $443 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Fein's medical specialty?
Dr. Robert Fein practices Medical Oncology Physician in Somerset, NJ.
Where does Dr. Robert Fein practice?
Dr. Robert Fein practices at 75 Veronica Ave, Somerset, NJ 088735002. Office phone: 7322464882.
What is Dr. Robert Fein's NPI?
Dr. Robert Fein's National Provider Identifier (NPI) is 1801887286, issued by NPPES.
Does Dr. Robert Fein accept Medicare assignment?
Yes. Dr. Robert Fein accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Fein commonly perform?
Top Medicare-reported procedures in 2023: Injection, ferric carboxymaltose, 1 mg (HCPCS J1439); Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, iron sucrose, 1 mg (HCPCS J1756). Source: CMS Medicare Physician & Other Practitioners file.