NPPES file of Aug 9, 2026

David Peter Wien, M.D.

Allergy & Immunology (Internal Medicine) Physician · Wilmington, DE

David Peter Wien, M.D. is an allergy & immunology (internal medicine) physician with a practice address in Wilmington, Delaware, and NPI 1912904038, issued on Jul 5, 2005. Check the license 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
1912904038
Name
David Peter Wien
Credential
M.D.
Primary taxonomy
Allergy & Immunology (Internal Medicine) Physician 207RA0201X
License number
C10005662 CA
Self-reported in NPPES; status is on the state search
Practice location
708 Greenbank RD, Wilmington, DE 19808
Phone
(302) 998-1866
Enumerated
Jul 5, 2005
Record last updated
Jul 13, 2026
Fax
(302) 998-3261
Medicare enrollment
Enrolled (PECOS I20050321000895); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 1989
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 David Peter Wien in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersDelaware Board of Medical Licensure and DisciplineCheck 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
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2.2 times the Medicare Part D claims of the average allergy & immunology (internal medicine) physician in 2024

1,724 Medicare Part D claims for 283 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 23% of claims.

  1. David Wien1,724
  2. Specialty average789

Most prescribed

  1. Azelastine Hcl299 claims
  2. Fluticasone Propionate270 claims
  3. Prednisone181 claims
  4. Trelegy Ellipta162 claims
  5. Doxycycline Hyclate97 claims
  6. Albuterol Sulfate Hfa77 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: $2,710.11

96 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 321 providers of this specialty with any payment received $7,456.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Wien$2,710.11
  2. Specialty average$7,456.30

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

Allergy & Immunology (Internal Medicine) Physician providers in Delaware

There are 1 allergy & immunology (internal medicine) physician records in Delaware.

Common questions

What is David Peter Wien, M.D.'s NPI number?

David Peter Wien, M.D.'s National Provider Identifier (NPI) is 1912904038, issued on Jul 5, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David Peter Wien, M.D. located?

The NPPES record lists a practice address at 708 Greenbank RD, Wilmington, DE, 19808. Phone: (302) 998-1866. Providers update this record themselves, so call before visiting.

How can I verify David Peter Wien, M.D.'s license?

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 David Peter Wien, M.D. prescribe under Medicare Part D?

In 2024, David Peter Wien, M.D. had 1,724 Medicare Part D claims for 283 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. 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.