NPPES file of Aug 9, 2026

Joseph Ronald Peacock, M.D.

Diagnostic Radiology Physician · Wilmington, DE

Joseph Ronald Peacock, M.D. is a diagnostic radiology physician with a practice address in Wilmington, Delaware, and NPI 1184682106, issued on May 1, 2006. Check the license (Delaware C1-0001924, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; 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
1184682106
Name
Joseph Ronald Peacock
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
C1-0001924 DE
Self-reported in NPPES; status is on the state search
Practice location
1020 N Union St, Wilmington, DE 19805
Phone
(302) 427-9855
Enumerated
May 1, 2006
Record last updated
Dec 18, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(302) 427-9549
Medicaid ID
0000112301 DE
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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Verify Joseph Ronald Peacock in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
    Search for license C1-0001924
    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 Delaware 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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49% fewer Medicare Part D claims than the average diagnostic radiology physician in 2024

26 Medicare Part D claims, against an average of 51 among the 2,711 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Joseph Peacock26
  2. Specialty average51

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.

Joseph Ronald Peacock among 124 diagnostic radiology physician records in Delaware

Joseph Ronald Peacock, M.D. is one of 124 diagnostic radiology physician records with a practice address in Delaware. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 20% of them.

  • NPI issued2006 · 20% of these records are older, 37% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileNo · 68% of these records are
  • Record last updated2012 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Diagnostic Radiology Physician providers in Delaware

There are 124 diagnostic radiology physician records in Delaware.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Yen Kuo, MDWilmington, DE 198051558311977
  2. John Matthews, M.D.Wilmington, DE 198051275533234
  3. Indukumar Solanki, MDWilmington, DE 198051174524565
  4. Claire Coggins, M.D.Wilmington, DE 198061609970912
  5. Fam EkladiousWilmington, DE 198031023637972
  6. Thomas Fiss, MDWilmington, DE 198031356343180
  7. Garth Koniver, MDWilmington, DE 198031306838529
  8. Stephen Lawless, MDWilmington, DE 198031922090026

Common questions

What is Joseph Ronald Peacock, M.D.'s NPI number?

Joseph Ronald Peacock, M.D.'s National Provider Identifier (NPI) is 1184682106, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Ronald Peacock, M.D. located?

The NPPES record lists a practice address at 1020 N Union St, Wilmington, DE, 19805. Phone: (302) 427-9855. Providers update this record themselves, so call before visiting.

How can I verify Joseph Ronald Peacock, M.D.'s license?

NPPES lists Delaware license number C1-0001924, as entered by the provider. Search the Delaware Board of Medical Licensure and Discipline at https://delpros.delaware.gov/OH_VerifyLicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Joseph Ronald Peacock, M.D. prescribe under Medicare Part D?

In 2024, Joseph Ronald Peacock, M.D. had 26 Medicare Part D claims; the average among diagnostic radiology physician prescribers was 51. 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.