Quick answers
- Where does William J. Rivers Iii see patients?
- Medicare's clinician data lists 1 practice location in Marietta, GA. Call before your visit to confirm the address.
- What is William J. Rivers Iii's specialty?
- Medicare lists Physical Medicine and Rehabilitation as the primary specialty.
- Does William J. Rivers Iii accept Medicare assignment?
- Yes. Medicare's clinician data says William J. Rivers 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 J. Rivers Iii?
- (770) 579-9000, as listed in official Medicare / NPI Registry data.
- What is William J. Rivers Iii's NPI number?
- 1639468580. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where William J. Rivers Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 3225 Shallowford Rd, Suite 500Marietta, GA 30062 (770) 579‑9000
Specialties
Find other Physical Medicine and Rehabilitation doctors in Georgia →
Other rehabilitation doctors in Marietta
Clinicians with the same Medicare primary specialty in Marietta, GA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Mercer University School Of Medicine |
| Graduation year | 2011 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1639468580 |
| 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 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