NPPES file of Aug 9, 2026

Robert Knowles, M.D.

Surgery Physician · Roanoke, VA

Robert Knowles, M.D. is a surgery physician with a practice address in Roanoke, Virginia, and NPI 1013915602, issued on Jul 8, 2005. Check the license (Virginia 0101058403, as entered in NPPES) on the Virginia Department of Health Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1013915602
Name
Robert Knowles
Credential
M.D.
Primary taxonomy
Surgery Physician 208600000X
License numbers
0101058403 VA
15835 NH
Self-reported in NPPES; status is on the state search
Practice location
101 Elm Ave SE, Roanoke, VA 24013
Phone
(540) 224-4325
Enumerated
Jul 8, 2005
Record last updated
Aug 23, 2022
Fax
(540) 224-4399
Medicaid ID
3077483 NH
Medicare enrollment
Enrolled (PECOS I20100202000546); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest surgery physician records → All 865 in Virginia → Look up another NPI →

Also registered at 101 Elm Ave SE

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jeffrey Adkins, PAPhysician Assistant1669393799
  2. Hanna AllenPhysician Assistant1316874845
  3. Joshua Allen, PAStudent in an Organized Health Care Education/Training Program1104758218
  4. Cole BallouPhysician Assistant1992626956
  5. Blair Barefoot, PAPhysician Assistant1417888918
  6. Emily Bennett, NP-CAcute Care Nurse Practitioner1801251806

Verify Robert Knowles in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersVirginia Department of Health Professions
    Search for license 0101058403    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Virginia license search

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71% fewer Medicare Part D claims than the average surgery physician in 2024

43 Medicare Part D claims for 34 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D.

  1. Robert Knowles43
  2. Specialty average147

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $416.74

15 payments; by number, the most common kind was food and beverage; the largest payer was Hydrofera LLC. The 17,103 providers of this specialty with any payment received $3,513.80 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Knowles$416.74
  2. Specialty average$3,513.80

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

3 hospital affiliations

  1. Carilion Giles Community HospitalPearisburg, VA · Critical Access Hospitals4 of 5 stars
  2. Carilion New River Valley Medical CenterChristiansburg, VA · Acute Care Hospitals4 of 5 stars
  3. Carilion Medical CenterRoanoke, VA · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Robert Knowles among 865 surgery physician records in Virginia

Robert Knowles, M.D. is one of 865 surgery physician records with a practice address in Virginia. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 87% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated1989 · median 2004 among the 483 with a school on file
  • Record last updated2022 · 45% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a Virginia practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in Virginia

There are 865 surgery physician records in Virginia.

All 865 in Virginia → Every provider in Roanoke → Surgery Physician nationwide →

The 8 surgery physician records with the nearest ZIP codes

  1. Susan Kinnison, MDRoanoke, VA 240131568441046
  2. Ebunoluwa Ajadi, MDRoanoke, VA 240141215501812
  3. Cody BushmanRoanoke, VA 240141154959476
  4. William Epstein, MDRoanoke, VA 240141447225149
  5. James Foster, M.D.Roanoke, VA 240141477539476
  6. Carol Gilbert, M.D.Roanoke, VA 240141780660241
  7. Jay Patel, M.D.Roanoke, VA 240141407340821
  8. Jannelle Posey, MDRoanoke, VA 240141063677318

Common questions

What is Robert Knowles, M.D.'s NPI number?

Robert Knowles, M.D.'s National Provider Identifier (NPI) is 1013915602, issued on Jul 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Robert Knowles, M.D. located?

The NPPES record lists a practice address at 101 Elm Ave SE, Roanoke, VA, 24013. Phone: (540) 224-4325. Providers update this record themselves, so call before visiting.

How can I verify Robert Knowles, M.D.'s license?

NPPES lists Virginia license number 0101058403, as entered by the provider. Search the Virginia Department of Health Professions at https://dhp.virginiainteractive.org/lookup/index. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Robert Knowles, M.D. prescribe under Medicare Part D?

In 2024, Robert Knowles, M.D. had 43 Medicare Part D claims for 34 beneficiaries; the average among surgery physician prescribers was 147. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.