21st Century Oncology of Jacksonville LLC
NPI 1215101902 · Medical Oncology Physician · Jacksonville, FL
21st Century Oncology of Jacksonville LLC is a Medical Oncology Physician organization in Jacksonville, FL (NPI 1215101902).
Provider details
- NPI number
- 1215101902
- Entity type
- Organization
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Parent organization
- Radiation Therapy Services Inc
- Organization subpart
- Yes
- Authorized official
- Daniel Dosoretz, President/Ceo(239) 931-7275
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Surgical Oncology Physician2086X0206X
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-04-15
- Last updated
- 2011-01-05
Frequently asked questions
- What is 21st Century Oncology of Jacksonville LLC's NPI number?
- 21st Century Oncology of Jacksonville LLC's National Provider Identifier (NPI) is 1215101902, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is 21st Century Oncology of Jacksonville LLC?
- 21st Century Oncology of Jacksonville LLC is classified in the NPPES registry as Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is 21st Century Oncology of Jacksonville LLC located?
- 21st Century Oncology of Jacksonville LLC's practice location on file with NPPES is 1235 San Marco Blvd, Jacksonville, FL 32207-8554.
- What is 21st Century Oncology of Jacksonville LLC's phone number?
- The practice phone number listed in the NPPES registry for 21st Century Oncology of Jacksonville LLC is (904) 493-5100.
- Who is the authorized official for 21st Century Oncology of Jacksonville LLC?
- The authorized official listed on 21st Century Oncology of Jacksonville LLC's NPPES record is Daniel Dosoretz, President/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is 21st Century Oncology of Jacksonville LLC's NPI active?
- Yes — 21st Century Oncology of Jacksonville LLC's NPI (1215101902) is active in the NPPES registry as of the last update on 2011-01-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.