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

Dr. Marshall R Posner, MD

Individual provider Medical Oncology Physician · NPI 1700847753

Dr. Marshall R Posner, MD is a Medical Oncology in Palm Beach Gardens, Florida. Graduated from Tufts University School of Medicine in 1975, 51 years ago. Practices with Cancer Center of South Florida PLLC, a 46-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Florida.

Years since qualifying
51
Trained at
Tufts University School of Medicine
Licensed in
FL
In the registry since
2006
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

11621 Kew Gardens Ave Ste 101A
Palm Beach Gardens, FL 33410-2853
Phone: (561) 253-3985
Fax: (561) 253-3985
Show map & directions

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

Additional practice locations (1)

  • 1630 S Congress Ave Ste 200, Palm Springs, FL 33461-2171 — (561) 253-3980

Specialties & licences

Medical Oncology Physician (primary) Taxonomy 207RX0202X · Licence 258260 (FL)

Record details

NPI number1700847753
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 29, 2006
Last updated in NPPESMay 5, 2026
Certification dateMay 5, 2026
Mailing address1450 Centrepark Blvd Ste 165, West Palm Beach, FL 33401-7432

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Medical schoolTUFTS UNIVERSITY SCHOOL OF MEDICINE
Graduated 1975 (51 years in practice)
Group practice Cancer Center Of South Florida Pllc — 46 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Palm Beach Gardens