Mary-Peyton Ashley Knapp, MD
Internal Medicine Physician · Winston Salem, NC
Mary-Peyton Ashley Knapp, MD is an internal medicine physician with a practice address in Winston Salem, North Carolina, and NPI 1558001941, issued on Apr 1, 2022. Check the license (North Carolina RTL22-0211, as entered in NPPES) on the North Carolina Medical Board; the Medicare figures below come from public CMS files.
- Name
- Mary-Peyton Ashley Knapp
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- RTL22-0211 NC
Self-reported in NPPES; status is on the state search - Practice location
- 1 Medical Center Boulevard, Winston Salem, NC 27157
- Phone
- (336) 716-2011
- Enumerated
- Apr 1, 2022
- Record last updated
- Jul 1, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 4,056 in North Carolina → Look up another NPI →
Also registered at 1 Medical Center Boulevard
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joshua Bates, DOInternal Medicine Physician1447955133
Verify Mary-Peyton Ashley Knapp in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNorth Carolina Medical Board
Search for license RTL22-0211Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average internal medicine physician in 2024
597 Medicare Part D claims for 63 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium47 claims
- Amlodipine Besylate39 claims
- Ozempic37 claims
- Hydrochlorothiazide27 claims
- Levetiracetam23 claims
- Ezetimibe21 claims
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.
Mary-Peyton Ashley Knapp among 4,056 internal medicine physician records in North Carolina
Mary-Peyton Ashley Knapp, MD is one of 4,056 internal medicine physician records with a practice address in North Carolina. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2025 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a North Carolina practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
218 internal medicine physician records list a practice address in Winston Salem
They are 218 of the 10,040 NPPES records with a practice address in Winston Salem, and 4,056 internal medicine physician records in North Carolina.
All 4,056 in North Carolina → Every provider in Winston Salem → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Megan Alexander, MDWinston Salem, NC 271571467438739
- William Applegate, MDWinston Salem, NC 271571730163197
- Alain Bertoni, MDWinston Salem, NC 271571558344259
- Thomas Dubose, MDWinston Salem, NC 271571164405874
- Kirsten Feiereisel, MDWinston Salem, NC 271571669468724
- Elizabeth Gamble, MDWinston Salem, NC 271571356326391
- David Goff, MDWinston Salem, NC 271571144203845
- Peter Hoffmann, MDWinston Salem, NC 271571063495760
Common questions
What is Mary-Peyton Ashley Knapp, MD's NPI number?
Mary-Peyton Ashley Knapp, MD's National Provider Identifier (NPI) is 1558001941, issued on Apr 1, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Mary-Peyton Ashley Knapp, MD located?
The NPPES record lists a practice address at 1 Medical Center Boulevard, Winston Salem, NC, 27157. Phone: (336) 716-2011. Providers update this record themselves, so call before visiting.
How can I verify Mary-Peyton Ashley Knapp, MD's license?
NPPES lists North Carolina license number RTL22-0211, as entered by the provider. Search the North Carolina Medical Board at https://portal.ncmedboard.org/verification/search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mary-Peyton Ashley Knapp, MD prescribe under Medicare Part D?
In 2024, Mary-Peyton Ashley Knapp, MD had 597 Medicare Part D claims for 63 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.
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.