NPPES file of Aug 9, 2026

De-Vaughn Williams

Internal Medicine Physician · Chapel Hill, NC

De-Vaughn Williams is an internal medicine physician with a practice address in Chapel Hill, North Carolina, and NPI 1598253221, issued on Apr 27, 2018. Check the license (North Carolina 2021-01420, 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
1598253221
Name
De-Vaughn Williams
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
2021-01420 NC
Self-reported in NPPES; status is on the state search
Practice location
102 Mason Farm RD, Chapel Hill, NC 27599
Phone
(919) 966-1459
Enumerated
Apr 27, 2018
Record last updated
Jan 18, 2023
Fax
(919) 843-2356
Medicare enrollment
Enrolled (PECOS I20210707001205); accepts Medicare assignment
Medical or professional school
University Of Florida College Of Medicine, 2018
Telehealth
Offers telehealth (CMS)
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 102 Mason Farm RD

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

  1. Carol BounajimInternal Medicine Physician1750870127
  2. Susan Cavanaugh, AGNP-CNurse Practitioner1063250462
  3. Dillon Cockrell, MDHematology & Oncology Physician1952890899
  4. Michael CunninghamRheumatology Physician1821587742
  5. Michael Gelinas, MDInternal Medicine Physician1912563271
  6. Laura Johnston, LCSW-AClinical Social Worker1467086538

Verify De-Vaughn Williams in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 2021-01420
    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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34% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,109 Medicare Part D claims for 159 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 27 claims were for opioids.

  1. De-Vaughn Williams2,109
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium117 claims
  2. Amlodipine Besylate112 claims
  3. Gabapentin78 claims
  4. Omeprazole75 claims
  5. Levothyroxine Sodium73 claims
  6. Lisinopril70 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. University OF North Carolina AT Chapel HillChapel Hill, NC

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

De-Vaughn Williams among 4,056 internal medicine physician records in North Carolina

De-Vaughn Williams 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 2018, is newer than 84% of them.

  • NPI issued2018 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 82% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2018 · median 2004 among the 2,706 with a school on file
  • Record last updated2023 · 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).

219 internal medicine physician records list a practice address in Chapel Hill

They are 219 of the 7,608 NPPES records with a practice address in Chapel Hill, and 4,056 internal medicine physician records in North Carolina.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marco Aleman, MDChapel Hill, NC 275991275558520
  2. Timothy Carey, MDChapel Hill, NC 275991407871759
  3. Paul Chelminski, MDChapel Hill, NC 275991609891969
  4. Cristin Colford, MDChapel Hill, NC 275991801829478
  5. Darren Dewalt, MDChapel Hill, NC 275991962435537
  6. James Evans, MDChapel Hill, NC 275991932124203
  7. Russell Harris, MDChapel Hill, NC 275991083639355
  8. Thomas Keyserling, MDChapel Hill, NC 275991336164615

Common questions

What is De-Vaughn Williams's NPI number?

De-Vaughn Williams's National Provider Identifier (NPI) is 1598253221, issued on Apr 27, 2018. An NPI identifies a provider in billing; it is not a license.

Where is De-Vaughn Williams located?

The NPPES record lists a practice address at 102 Mason Farm RD, Chapel Hill, NC, 27599. Phone: (919) 966-1459. Providers update this record themselves, so call before visiting.

How can I verify De-Vaughn Williams's license?

NPPES lists North Carolina license number 2021-01420, 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 De-Vaughn Williams prescribe under Medicare Part D?

In 2024, De-Vaughn Williams had 2,109 Medicare Part D claims for 159 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.