Quick answers
- Which hospitals does William R. Johnson Iii work at?
- Medicare's official clinician data lists William R. Johnson Iii at 4 hospitals: Riverside Doctors' Hospital of Williamsburg, Riverside Regional Medical Center, Riverside Shore Memorial Hospital and Riverside Walter Reed Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William R. Johnson Iii see patients?
- Medicare's clinician data lists 1 practice location in Newport News, VA. Call before your visit to confirm the address.
- What is William R. Johnson Iii's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does William R. Johnson Iii accept Medicare assignment?
- Yes. Medicare's clinician data says William R. Johnson 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 R. Johnson Iii?
- (757) 594-3580, as listed in official Medicare / NPI Registry data.
- What is William R. Johnson Iii's NPI number?
- 1497720320. 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 R. Johnson Iii works
Medicare's Facility Affiliation Data lists William R. Johnson Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Riverside Doctors' Hospital of WilliamsburgWilliamsburg, VA · Acute Care Hospital · CCN 490143
- Riverside Regional Medical CenterNewport News, VA · Acute Care Hospital · CCN 490052
- Riverside Shore Memorial HospitalOnancock, VA · Acute Care Hospital · CCN 490037
- Riverside Walter Reed HospitalGloucester, VA · Acute Care Hospital · CCN 490130
Practice locations
Addresses where William R. Johnson Iii is enrolled with Medicare (CMS data updated 2026-10-02).
- 500 J Clyde Morris BlvdNewport News, VA 23601 (757) 594‑3580
Group practices
Medicare enrollment lists William R. Johnson Iii as a member of this group (CMS data updated 2026-10-02).
- Riverside Physician Services Inc797 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Newport News
Clinicians with the same Medicare primary specialty in Newport News, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Virginia Commonwealth University, School Of Medicine |
| Graduation year | 1991 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1497720320 |
| 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