John Sylvester, M.D.
NPI 1508880337 · Radiation Oncology Physician · Lakewood Ranch, FL
Provider details
- NPI number
- 1508880337
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD00025438 (WA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
12,823 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Intensity Modulated Treatment Delivery, Single Or Multiple Fields/Arcs,via Narrow Spatially and Temporally Modulated Beams, Binary, Dynamic Mlc, Per Treatment SessionG6015 | 4,244 | $326 |
| Ct Guidance for Insertion of Radiation Therapy Fields77014 | 4,146 | $110 |
| Radiation Treatment Management, 5 Treatment Sessions77427 | 807 | $184 |
| Continuing Radiation Therapy Consultation Per Week77336 | 769 | $83 |
| Calculation of Radiation Therapy Dose77300 | 542 | $63 |
| Radiation Treatment Delivery,3 Or More Separate Treatment Areas, Custom Blocking, Tangential Ports, Wedges, Rotational Beam, Compensators, Electron Beam; 6-10 MevG6012 | 311 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$34,264 across 28 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (4)
- 3311 Brunswick PikeLawrenceville, NJ 08648-2411Phone: (609) 716-7030
- 1255 Tadlock DrMurrells Inlet, SC 29576-7973Phone: (843) 293-0446Fax: (843) 293-0448
- 823 82nd PkwyMyrtle Beach, SC 29572-4607Phone: (843) 449-1010Fax: (843) 497-6171
- 809 82nd Pkwy Ste BMyrtle Beach, SC 29572-4607Phone: (843) 449-1010Fax: (843) 497-6171
Registry dates
- Enumerated
- 2006-07-26
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.