Quick answers
- Which hospitals does William E. Downey Iii work at?
- Medicare's official clinician data lists William E. Downey Iii at 3 hospitals: Atrium Health Cleveland, Atrium Health Union and Carolinas Medical Center/Behav Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Downey Iii see patients?
- Medicare's clinician data lists 6 practice locations, including Charlotte, NC, Mooresville, NC and Rock Hill, SC. Call before your visit to confirm the address.
- What is William E. Downey Iii's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does William E. Downey Iii accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Downey Iii accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for William E. Downey Iii?
- (704) 975-8408, as listed in official Medicare / NPI Registry data.
- What is William E. Downey Iii's NPI number?
- 1063475226. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William E. Downey Iii works
Medicare's Facility Affiliation Data lists William E. Downey Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Atrium Health ClevelandShelby, NC · Acute Care Hospital · CCN 340021
- Atrium Health UnionMonroe, NC · Acute Care Hospital · CCN 340130
- Carolinas Medical Center/Behav HealthCharlotte, NC · Acute Care Hospital · CCN 340113
Practice locations
Addresses where William E. Downey Iii is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1000 Blythe BlvdCharlotte, NC 28203
- 1225 Harding Pl, Suite 1100Charlotte, NC 28204 (704) 975‑8408
- 1237 Harding PlCharlotte, NC 28204
- 134 Medical Park Rd, Suite 111Mooresville, NC 28117 (704) 801‑9100
- 1656 Riverchase Blvd, Suite 2500Rock Hill, SC 29732 (803) 327‑3456
Group practices
Medicare enrollment lists William E. Downey Iii as a member of this group (CMS data updated 2026-10-02).
- Carolinas Physicians Network Inc2,325 clinicians in the group
Specialties
Find other Interventional Cardiology doctors in North Carolina →
Other interventional cardiologists in Charlotte
Clinicians with the same Medicare primary specialty in Charlotte, NC — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Duke University School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063475226 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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