Quick answers
- Which hospitals does Robert Knowles work at?
- Medicare's official clinician data lists Robert Knowles at 2 hospitals: Carilion Medical Center and Carilion New River Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Robert Knowles see patients?
- Medicare's clinician data lists 2 practice locations, including Roanoke, VA and Christiansburg, VA. Call before your visit to confirm the address.
- What is Robert Knowles's specialty?
- Medicare lists General Surgery as the primary specialty.
- Does Robert Knowles accept Medicare assignment?
- Yes. Medicare's clinician data says Robert Knowles 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 Robert Knowles?
- (540) 224-4380, as listed in official Medicare / NPI Registry data.
- What is Robert Knowles's NPI number?
- 1013915602. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Robert Knowles works
Medicare's Facility Affiliation Data lists Robert Knowles at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Carilion Medical CenterRoanoke, VA · Acute Care Hospital · CCN 490024
- Carilion New River Valley Medical CenterChristiansburg, VA · Acute Care Hospital · CCN 490042
Practice locations
Addresses where Robert Knowles is enrolled with Medicare (CMS data updated 2026-10-02).
- 101 Elm AveRoanoke, VA 24013 (540) 224‑4380
- 2900 Lamb CirChristiansburg, VA 24073 (540) 731‑2992
Group practices
Medicare enrollment lists Robert Knowles as a member of these groups (CMS data updated 2026-10-02).
- Carilion Medical Center977 clinicians in the group
- Carilion New River Valley Medical Center6 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Roanoke
Clinicians with the same Medicare primary specialty in Roanoke, VA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1013915602 |
| 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