Robert Knowles, M.D.
NPI 1013915602 · Surgery Physician · Roanoke, VA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Knowles, M.D. is a Surgery Physician provider in Roanoke, VA (NPI 1013915602).
Provider details
- NPI number
- 1013915602
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 0101058403 (VA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Nursing Service Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
849 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 435 | $63 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 97 | $79 |
| Removal of Skin and Tissue, 20.0 Sq Cm Or Less11042 | 83 | $57 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 75 | $77 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 49 | $47 |
| Application of Skin Substitute Graft to Wound of Trunk, Arms, Or Legs, 25.0 Sq Cm Or Less of Wound 100.0 Sq Cm Or Less |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$417 across 15 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 454 Old Street RdSuite 201Peterborough, NH 03458-1200Phone: (603) 924-4668Fax: (603) 924-4669
Registry dates
- Enumerated
- 2005-07-08
- Last updated
- 2022-08-23
- Certified
- 2022-08-23
Frequently asked questions
- What is Robert Knowles's NPI number?
- Robert Knowles's National Provider Identifier (NPI) is 1013915602, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Knowles's specialty?
- Robert Knowles is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Knowles located?
- Robert Knowles's practice location on file with NPPES is 101 Elm Ave Se, Roanoke, VA 24013-2222.
- What is Robert Knowles's phone number?
- The practice phone number listed in the NPPES registry for Robert Knowles is (540) 224-4325.
- Does Robert Knowles accept Medicare?
- Robert Knowles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Knowles's NPI active?
- Yes — Robert Knowles's NPI (1013915602) is active in the NPPES registry as of the last update on 2022-08-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.