Quick answers
- Does Sion W. Carter Iii accept Medicare assignment?
- Yes. Medicare's clinician data says Sion W. Carter Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Sion W. Carter Iii see?
- In 2024, CMS data shows 2,430 Original Medicare patients and 19,769 services for Sion W. Carter Iii. This counts Original Medicare only and measures volume, not quality.
- What is Sion W. Carter Iii's NPI number?
- 1407821416. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Sion W. Carter Iii, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 2,430 |
|---|---|
| Services billed to Medicare | 19,769 |
| Different services or procedures | 162 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)14,520 services
- Injection, gadobenate dimeglumine (multihance), per ml (A9577)1,342 services
- X-ray of chest, 2 views (71046)383 services
- Screening 3d breast mammography (77063)229 services
- Screening mammography (77067)229 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol75%
- Arthritis60%
- Ischemic heart disease38%
- Diabetes32%
- Chronic kidney disease31%
Practice locations
Addresses where Sion W. Carter Iii is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 2020 Town Ctr Blvd, Suite EBrandon, FL 33511 (813) 315‑1516
- 2352 Bruce B Downs BlvdWesley Chapel, FL 33544 (813) 929‑3600
- 38021 Market Square DrZephyrhills, FL 33542 (813) 715‑0374
- 38105 Market Square DrZephyrhills, FL 33542 (813) 715‑0374
- 38135 Market Square DrZephyrhills, FL 33542
Group practices
Medicare enrollment lists Sion W. Carter Iii as a member of these groups (CMS data updated October 2, 2026).
- Ohi West Medical Group II LLC413 clinicians in the group
- FMC Urgent Care LLC19 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Brandon
Clinicians with the same Medicare primary specialty in Brandon, FL — not a recommendation.
Other clinicians in Ohi West Medical Group II LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Florida College Of Medicine |
| Graduation year | 1987 (39 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407821416 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians