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

Cancer Specialists, LLC

Organization Hematology & Oncology Physician · NPI 1437844636

Cancer Specialists, LLC is a Hematology & Oncology Physician in St Johns, Florida. Registered with an NPI since 2023.

In the registry since
2023
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

See every abbreviation used in this directory →

Practice location Address checks out

300 Saint Elizabeth Way Ste 230
St Johns, FL 32259-1153
Phone: (904) 823-3800
Fax: (904) 823-3801
Show map & directions

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

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X
Radiation Oncology Physician Taxonomy 2085R0001X

Record details

NPI number1437844636
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Robert Phelan — Ceo · (904) 363-2113
Other names Cancer Specialists Of Nf; Cancer Specialists Of Nf
NPI enumeratedApril 5, 2023
Last updated in NPPESJune 6, 2023
Certification dateJune 6, 2023
Mailing address7015 A C Skinner Pkwy Ste 1, Jacksonville, FL 32256-6932