Quick answers
- Does Robert F. Tassan accept Medicare assignment?
- Yes. Medicare's clinician data says Robert F. Tassan accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Robert F. Tassan see?
- In 2024, CMS data shows 878 Original Medicare patients and 57,631 services for Robert F. Tassan. This counts Original Medicare only and measures volume, not quality.
- What is Robert F. Tassan's NPI number?
- 1578596508. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Robert F. Tassan, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 878 |
|---|---|
| Services billed to Medicare | 57,631 |
| Different services or procedures | 73 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Injection, ferric carboxymaltose, 1 mg (J1439)18,000 services
- Injection, ferric derisomaltose, 10 mg (J1437)7,200 services
- Injection, epoetin alfa, (for non-esrd use), 1000 units (J0885)6,800 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,862 services
- Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count (85025)1,125 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis53%
- Ischemic heart disease41%
- Diabetes37%
- Chronic kidney disease33%
Hospitals where Robert F. Tassan works
Medicare's Facility Affiliation Data lists Robert F. Tassan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Englewood Hospital and Medical CenterEnglewood, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310045
- Hackensack Meridian Health Pascack Valley MedicalWestwood, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310130
- Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310001
- Valley HospitalParamus, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310012
Practice locations
Addresses where Robert F. Tassan is enrolled with Medicare (CMS data updated October 2, 2026).
- 218 A Sunset RdWillingboro, NJ 08046 (609) 835‑2900
- 250 Old Hook RdWestwood, NJ 07675 (844) 346‑7222
- 260 Old Hook Rd, Suite 301Westwood, NJ 07675 (609) 835‑2900
- 30 Prospect AveHackensack, NJ 07601 (844) 346‑7222
Group practices
Medicare enrollment lists Robert F. Tassan as a member of this group (CMS data updated October 2, 2026).
- Regional Cancer Care Associates LLC151 clinicians in the group
Specialties
- Hematology/Oncologyprimary
Other hematologist-oncologists in Willingboro
Clinicians with the same Medicare primary specialty in Willingboro, NJ — not a recommendation.
Other clinicians in Regional Cancer Care Associates LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers R W Johnson Medical School (cam/new Bruns/pisc) |
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1578596508 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians