Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Robert Tassan, MD

Individual provider Medical Oncology Physician · NPI 1578596508

Dr. Robert Tassan, MD is a Hematology/Oncology in Westwood, New Jersey. Graduated from Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc) in 1999, 27 years ago. Works from 3 locations and accepts Medicare assignment. Licensed in New Jersey.

Years since qualifying
27
Trained at
Rutgers R W Johnson Medical School (CAM/NEW Bruns/Pisc)
Licensed in
NJ
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

260 Old Hook Rd Ste 301
Westwood, NJ 07675-3123
Phone: (201) 383-4840
Fax: (201) 383-4824
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 795 Franklin Ave, Franklin Lakes, NJ 07417-1368 — (201) 848-8791
  • 92 2nd St, Hackensack, NJ 07601-2191 — (551) 996-4202

Specialties & licences

Hematology (Internal Medicine) Physician (primary) Taxonomy 207RH0000X · Licence 25MA07452600 (NJ)
Medical Oncology Physician Taxonomy 207RX0202X · Licence 25MA07452600 (NJ)

Record details

NPI number1578596508
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 10, 2006
Last updated in NPPESJanuary 26, 2022
Certification dateJanuary 26, 2022
Mailing address92 2nd St, Hackensack, NJ 07601-2191

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyHEMATOLOGY/ONCOLOGY
Medical schoolRUTGERS R W JOHNSON MEDICAL SCHOOL (CAM/NEW BRUNS/PISC)
Graduated 1999 (27 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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