NPPES file of Aug 9, 2026

John B. Clark, M.D.

Emergency Medicine Physician · Charlotte, NC

John B. Clark, M.D. is an emergency medicine physician with a practice address in Charlotte, North Carolina, and NPI 1003866443, issued on May 10, 2006. Check the license (North Carolina 23260, 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
1003866443
Name
John B. Clark
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
23260 NC
Self-reported in NPPES; status is on the state search
Practice location
1900 Randolph RD, Charlotte, NC 28207
Phone
(704) 377-2424
Enumerated
May 10, 2006
Record last updated
Oct 24, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(704) 377-2687
Medicaid IDs
N23260 SC
89-22664 NC
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1900 Randolph RD

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

  1. Carolina Arevalo, MDPsychiatry Physician1427294479
  2. Robert Attorri, M.D.Surgery Physician1083749170
  3. Meagan Bullock, LCSWAClinical Social Worker1851642169
  4. Michael Christo, M.D.Psychiatry Physician1609019322
  5. Samuel Dartey-Hayford, M.D.Pulmonary Disease Physician1437129285
  6. James Davis, M.DEmergency Medicine Physician1134179542

Verify John B. Clark in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNorth Carolina Medical Board
    Search for license 23260    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

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93% fewer Medicare Part D claims than the average emergency medicine physician in 2024

15 Medicare Part D claims, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.

  1. John Clark15
  2. Specialty average226

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.

344 emergency medicine physician records list a practice address in Charlotte

They are 344 of the 23,603 NPPES records with a practice address in Charlotte, and 2,094 emergency medicine physician records in North Carolina.

All 344 in Charlotte → All 2,094 in North Carolina → Every provider in Charlotte →

Other emergency medicine physician records in North Carolina

  1. Kyle Abshire, M.D.Durham, NC1184044331
  2. Stephanny Acevedo MartinezGreenville, NC1508271560
  3. Joanna Adams, M.D.Greenville, NC1083900062
  4. John Adams, M.D.Oxford, NC1801116892
  5. Victor Adan, MDFranklin, NC1497719645
  6. Juliana Adedoyin, MDGreenville, NC1235758053
  7. Paula AdkinsSanford, NC1336193184
  8. Fekadu AdmasuFayetteville, NC1801050257
  9. Frank AgatucciDurham, NC1912971631
  10. David AhlersConcord, NC1972829166

Common questions

What is John B. Clark, M.D.'s NPI number?

John B. Clark, M.D.'s National Provider Identifier (NPI) is 1003866443, issued on May 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John B. Clark, M.D. located?

The NPPES record lists a practice address at 1900 Randolph RD, Charlotte, NC, 28207. Phone: (704) 377-2424. Providers update this record themselves, so call before visiting.

How can I verify John B. Clark, M.D.'s license?

NPPES lists North Carolina license number 23260, 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 John B. Clark, M.D. prescribe under Medicare Part D?

In 2024, John B. Clark, M.D. had 15 Medicare Part D claims; the average among emergency medicine physician prescribers was 226. 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.