NPPES file of Aug 9, 2026

Arthur W. Colbourn, M.D.

Cardiovascular Disease Physician · Newark, DE

Arthur W. Colbourn, M.D. is a cardiovascular disease physician with a practice address in Newark, Delaware, and NPI 1386611416, issued on Mar 8, 2006. Check the license (Delaware C10000920, 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
1386611416
Name
Arthur W. Colbourn
Credential
M.D.
Primary taxonomy
Cardiovascular Disease Physician 207RC0000X
License number
C10000920 DE
Self-reported in NPPES; status is on the state search
Practice location
252 Chapman RD, Newark, DE 19713
Phone
(302) 623-1929
Enumerated
Mar 8, 2006
Record last updated
Nov 8, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(302) 366-1075
Medicaid ID
0000089301 DE
Medicare enrollment
Enrolled (PECOS I20051128000442); accepts Medicare assignment
Medical or professional school
Jefferson Medical College Of Thomas Jefferson University, 1973
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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Verify Arthur W. Colbourn 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 C10000920
    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

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15% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024

2,620 Medicare Part D claims for 446 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D.

  1. Arthur Colbourn2,620
  2. Specialty average3,078

Most prescribed

  1. Atorvastatin Calcium301 claims
  2. Metoprolol Succinate254 claims
  3. Eliquis217 claims
  4. Xarelto147 claims
  5. Amlodipine Besylate129 claims
  6. Lisinopril106 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.

Industry payments in 2024: $602.55

32 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Arthur Colbourn$602.55
  2. Specialty average$3,819.56

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Christiana Care Health Services IncNewark, DE

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

Arthur W. Colbourn among 102 cardiovascular disease physician records in Delaware

Arthur W. Colbourn, M.D. is one of 102 cardiovascular disease physician records with a practice address in Delaware. 85% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 36% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 78% of these records are
  • Graduated1973 · median 1993 among the 80 with a school on file
  • Record last updated2016 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Cardiovascular Disease Physician providers in Delaware

There are 102 cardiovascular disease physician records in Delaware.

The 8 cardiovascular disease physician records with the nearest ZIP codes

  1. Anthony Alfieri, D.O.Newark, DE 197131184604274
  2. Anthony Clay, D.O.Newark, DE 197131649202573
  3. David Grubbs, M.D.Newark, DE 197131497732705
  4. John Kelly, M.D.Newark, DE 197131659303634
  5. Gilbert Leidig, M.D.Newark, DE 197131902835770
  6. Alan Micklin, M.D.Newark, DE 197131477582518
  7. Francis Palermo, M.D.Newark, DE 197131467553982
  8. Ashish Parikh, MD, FACCNewark, DE 197131649247487

Common questions

What is Arthur W. Colbourn, M.D.'s NPI number?

Arthur W. Colbourn, M.D.'s National Provider Identifier (NPI) is 1386611416, issued on Mar 8, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arthur W. Colbourn, M.D. located?

The NPPES record lists a practice address at 252 Chapman RD, Newark, DE, 19713. Phone: (302) 623-1929. Providers update this record themselves, so call before visiting.

How can I verify Arthur W. Colbourn, M.D.'s license?

NPPES lists Delaware license number C10000920, 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 Arthur W. Colbourn, M.D. prescribe under Medicare Part D?

In 2024, Arthur W. Colbourn, M.D. had 2,620 Medicare Part D claims for 446 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. 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.