NPPES file of Aug 9, 2026

Kevin Charles Diehl, MD

Internal Medicine Physician · Winston Salem, NC

Kevin Charles Diehl, MD is an internal medicine physician with a practice address in Winston Salem, North Carolina, and NPI 1588307110, issued on Apr 20, 2022. Check the license (North Carolina 2025-00459, as entered in NPPES) on the North Carolina Medical Board; 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
1588307110
Name
Kevin Charles Diehl
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2025-00459 NC
Self-reported in NPPES; status is on the state search
Practice location
2295 E 14TH St Ste 200, Winston Salem, NC 27105
Phone
(336) 716-3182
Enumerated
Apr 20, 2022
Record last updated
Nov 25, 2025
Fax
(336) 713-9619
Medicare enrollment
Enrolled (PECOS I20251230002772); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2022
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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Also registered at 2295 E 14TH St Ste 200

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

  1. John Hunting, MDInternal Medicine Physician1386389906
  2. Joanna Johnson, PA-CPhysician Assistant1538866678
  3. Daniel Johnston, MDInternal Medicine Physician1396449336
  4. Veena Krishnan, MDInternal Medicine Physician1831891910
  5. Sarah Pennypacker, MDStudent in an Organized Health Care Education/Training Program1932902640

Verify Kevin Charles Diehl in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2025-00459
    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 North Carolina license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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79% fewer Medicare Part D claims than the average internal medicine physician in 2024

673 Medicare Part D claims for 66 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Kevin Diehl673
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium58 claims
  2. Amlodipine Besylate54 claims
  3. Omeprazole33 claims
  4. Gabapentin30 claims
  5. Lisinopril26 claims
  6. Albuterol Sulfate Hfa23 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.

Bills Medicare through one group practice

  1. Wake Forest University Health SciencesWinston-Salem, NC

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Kevin Charles Diehl among 4,056 internal medicine physician records in North Carolina

Kevin Charles Diehl, 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 fileYes · 67% of these records are
  • Graduated2022 · median 2004 among the 2,706 with a school on file
  • 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. John Hunting, MDWinston Salem, NC 271051386389906
  2. Daniel Johnston, MDWinston Salem, NC 271051396449336
  3. Veena Krishnan, MDWinston Salem, NC 271051831891910
  4. Jamy Ard, MDWinston Salem, NC 271041184679441
  5. Emily Bardolph, MDWinston Salem, NC 271041154783314
  6. Leslie Bryan, MDWinston Salem, NC 271061770547986
  7. Gregory Bugaj, MDWinston Salem, NC 271061093773699
  8. Brian Carty, MDWinston Salem, NC 271061336109362

Common questions

What is Kevin Charles Diehl, MD's NPI number?

Kevin Charles Diehl, MD's National Provider Identifier (NPI) is 1588307110, issued on Apr 20, 2022. An NPI identifies a provider in billing; it is not a license.

Where is Kevin Charles Diehl, MD located?

The NPPES record lists a practice address at 2295 E 14TH St Ste 200, Winston Salem, NC, 27105. Phone: (336) 716-3182. Providers update this record themselves, so call before visiting.

How can I verify Kevin Charles Diehl, MD's license?

NPPES lists North Carolina license number 2025-00459, 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 Kevin Charles Diehl, MD prescribe under Medicare Part D?

In 2024, Kevin Charles Diehl, MD had 673 Medicare Part D claims for 66 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.