JS
Accepting patients
Who is Dr. Sylvester, Radiation Oncologist in Naples, FL?
Dr. John Sylvester, MD is a Radiation Oncologist, who primarily practices in Naples, FL with 2 additional practice locations. He is board certified. Dr. Sylvester graduated from University of California and completed his residency at Ucla Med Ctr, Radiation Oncology; Huntington Mem Hosp, Internal Medicine. Dr. Sylvester is fluent in English and Spanish, and is currently seeing new patients. Dr. Sylvester’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Sylvester’s office at (941) 364-8887.
What are Areas of Expertise for Dr. Sylvester?
Dr. John Sylvester, MD is a highly-rated, board-certified Radiation Oncologist known for expertly diagnosing, treating, and managing a wide array of related conditions and procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Sylvester empowers patients to confidently navigate their health journey, specializing in Brachytherapy, Prostate Cancer, and comprehensive wellness support. Serving the Naples, FL community, Dr. Sylvester is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Sylvester go to medical school and complete their residency?
Residency: Ucla Med Ctr, Radiation Oncology; Huntington Mem Hosp, Internal Medicine | Harbor-UCLA Medical Center
Medical School: University of Ca, Los Angeles, Ucla Sch of Med, Los Angeles Ca | University of California
Is Dr. Sylvester board certified as a Radiation Oncologist?
Yes, Dr. John Sylvester, MD is board certified by the American Board of Radiology
What languages does Dr. Sylvester speak?
Dr. Sylvester and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does a Radiation Oncologist like Dr. Sylvester typically treat?
As a Radiation Oncologist, Dr. Sylvester diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Sylvester. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Prostate Cancer
- Prostate Cancer Treatment (PDQ®)
- Prostatic Carcinoma
- Prostate Gland Cancer
- Malignant Prostate Tumor
ICD-10 Codes:
- C61: Malignant neoplasm of prostate
Also known as:
- Cancer Radiation Therapy
- Radiation Therapy
- Radiation Therapy to Treat Cancer
- Radiation treatment for cancer
- Oncology radiation
- Radiotherapy
ICD-10 Codes:
- Z510: Encounter for antineoplastic radiation therapy
Also known as:
- Cancer Follow-up Exam
- Secondary Bone Cancer
- Cancer
- Bone Cancer
- Post-cancer treatment checkup
- Malignancy surveillance
- Oncology follow-up
- Metastatic bone cancer
- Cancer spread to bone
- Bone metastases
ICD-10 Codes:
- Z08: Encounter for follow-up examination after completed treatment for malignant neoplasm
- C7951: Secondary malignant neoplasm of bone
Also known as:
- Bladder Cancer
- Urinary Bladder Cancer
- Bladder Tumor
- Urothelial Carcinoma of Bladder
ICD-10 Codes:
- C678: Malignant neoplasm of overlapping sites of bladder
What procedures does a Radiation Oncologist like Dr. Sylvester typically perform?
As a Radiation Oncologist, Dr. Sylvester performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed by Dr. Sylvester. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly. Learn more about our claims-based healthcare methodology.
Also known as:
- Prostate Seed Implants (Brachytherapy)
- Prostate Brachytherapy
- Interstitial Radioelement Application
- Prostate Radiation Seed Placement
CPT Codes:
- 55875: Transperineal placement of needles or catheters into prostate for interstitial radioelement application, with or without cystoscopy
Also known as:
- Prostate Radiation Guidance Marker Placement
- Prostate fiducial marker insertion
- Radiation therapy guidance markers
- Prostate dosimeter placement
- Needle placement for prostate radiation
CPT Codes:
- 55876: Placement of interstitial device(s) for radiation therapy guidance (eg, fiducial markers, dosimeter), prostate (via needle, any approach), single or multiple
Also known as:
- Injection of Biodegradable Material Near Prostate
- Prostate Spacer Injection
- Periprostatic Injection
- Biodegradable Prostate Implant
- Prostate Radiation Protection Injection
CPT Codes:
- 55874: Transperineal placement of biodegradable material, peri-prostatic, single or multiple injection(s), including image guidance, when performed
Also known as:
- Bladder Ultrasound for Residual Urine
- Post-void residual urine measurement
- Bladder capacity ultrasound
- Non-imaging bladder scan
CPT Codes:
- 51798: Measurement of post-voiding residual urine and/or bladder capacity by ultrasound, non-imaging
Does Dr. Sylvester accept my insurance?
Dr. Sylvester accepts most major insurance plans. Important: Please call our office at (941) 364-8887 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Sylvester accept in Naples, FL?
Dr. Sylvester in Naples, FL accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
Carepoint Health
Cigna Group
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Federal government of the United States
Horizon BlueCross BlueShield
Humana
Independence Health Group
Medicare
UnitedHealth Group
View All Insurances
Where is Dr. Sylvester's office located?
Dr. John Sylvester's Primary Practice
730 Goodlette Rd Ste 201
Naples, FL 34102
(941) 364-8887
What is Dr. Sylvester's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Sylvester's National Provider Identifier (NPI) number is 1508880337.
What common questions do patients ask about Dr. Sylvester?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Sylvester
What is Dr. John Sylvester's specialty?
Dr. Sylvester is a Radiation Oncologist near Naples, FL.
What does a Radiation Oncologist do?
A radiological oncologist specializes in the therapeutic applications of radiant energy and its modifiers. They focus on the study and management of diseases, particularly malignant tumors.
Is this Dr. John Sylvester affiliated with a ranked Castle Connolly Top Hospital?
No, Sylvester is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: Sarasota Memorial Hospital, HCA Florida Blake Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
When to see a Radiation Oncologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Radiation Oncologist. Explore insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is John Sylvester accepting new patients in Naples, FL?
Yes, Dr. John Sylvester is accepting new patients at this time.
Does Dr. John Sylvester offer online booking?
Please contact Dr. Sylvester's office at (941) 364-8887 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with John Sylvester?
Please contact Dr. Sylvester's office at (941) 364-8887 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. John Sylvester have?
Dr. John Sylvester is certified by the American Board of Radiology.
Other Radiation Oncologist Near Naples, FL
KM
Radiation Oncologist
Dr. Kristina Mirabeau-Beale, MD is a Radiation Oncologist, who primarily practices in Naples, FL with 2 additional practice locations.
Naples, FL
ML
Radiation Oncologist
Dr. Marshall Lieberfarb, MD is a Radiation Oncologist, who primarily practices in Plantation, FL with 2 additional practice locations. He is board certified.
Plantation, FL

Radiation Oncologist
Dr. Larry Silverman, MD is a Radiation Oncologist, who primarily practices in Sarasota, FL with 2 additional practice locations. He is board certified.
Sarasota, FL