Robert Fein, MD
NPI 1801887286 · Medical Oncology Physician · Somerset, NJ
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Fein, MD is a Medical Oncology Physician provider in Somerset, NJ (NPI 1801887286).
Provider details
- NPI number
- 1801887286
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25MA04368800 (NJ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
7,102 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 1,421 | $9 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 1,107 | $7 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,103 | $147 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 581 | $17 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 418 | $106 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test85027 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Anastrozole | 543 | 157 |
| Epoetin Alfabrand: Procrit | 129 | 16 |
| Palbociclibbrand: Ibrance | 126 | 13 |
| Darbepoetin Alfa in Polysorbatbrand: Aranesp | 113 | 18 |
| Leuprolide Acetatebrand: Lupron Depot | 76 | 16 |
| Alprazolam | 58 | 21 |
| Ibandronate Sodium | 52 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,138 across 59 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 629 Cranbury Rd Fl 2East Brunswick, NJ 08816-4096Phone: (732) 390-7750Fax: (732) 390-7725
- 9 Centre Dr Ste 100Monroe Township, NJ 08831-5153Phone: (609) 395-5577Fax: (609) 395-7955
- 1 Washington Blvd Ste 9Robbinsville, NJ 08691-3162Phone: (732) 314-0540Fax: (609) 934-4140
Registry dates
- Enumerated
- 2005-11-03
- Last updated
- 2025-08-07
- Certified
- 2025-08-07
Frequently asked questions
- What is Robert Fein's NPI number?
- Robert Fein's National Provider Identifier (NPI) is 1801887286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Fein's specialty?
- Robert Fein is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Fein located?
- Robert Fein's practice location on file with NPPES is 75 Veronica Ave, Somerset, NJ 08873-5002.
- What is Robert Fein's phone number?
- The practice phone number listed in the NPPES registry for Robert Fein is (732) 246-4882.
- Does Robert Fein accept Medicare?
- Robert Fein is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Fein's NPI active?
- Yes — Robert Fein's NPI (1801887286) is active in the NPPES registry as of the last update on 2025-08-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.