NPPES file of Aug 9, 2026

Alan D. Warrington, D.O.

Family Medicine Physician · Wilmington, DE

Alan D. Warrington, D.O. is a family medicine physician with a practice address in Wilmington, Delaware, and NPI 1801981923, issued on Oct 4, 2006. Check the license (Delaware C2-0003184, 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
1801981923
Name
Alan D. Warrington
Credential
D.O.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
C2-0003184 DE
Self-reported in NPPES; status is on the state search
Practice location
5307 Limestone RD, Wilmington, DE 19808
Phone
(302) 239-9599
Enumerated
Oct 4, 2006
Record last updated
Dec 22, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(302) 239-0522
Medicaid ID
1588987820 DE
Medicare enrollment
Enrolled (PECOS I20100303000953); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1987
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 5307 Limestone RD

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

  1. J Hanling, PT, CERT, MDTPhysical Therapist1780687053

Verify Alan D. Warrington 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 C2-0003184
    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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2.9 times the Medicare Part D claims of the average family medicine physician in 2024

10,292 Medicare Part D claims for 477 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 97 claims were for opioids.

  1. Alan Warrington10,292
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium544 claims
  2. Trazodone Hcl524 claims
  3. Levothyroxine Sodium372 claims
  4. Amlodipine Besylate365 claims
  5. Omeprazole346 claims
  6. Mirtazapine296 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: $103.36

5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alan Warrington$103.36
  2. Specialty average$902.55

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

Alan D. Warrington among 518 family medicine physician records in Delaware

Alan D. Warrington, D.O. is one of 518 family medicine physician records with a practice address in Delaware. 80% 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 15% of them.

  • NPI issued2006 · 15% of these records are older, 49% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1987 · median 2002 among the 323 with a school on file
  • Record last updated2014 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

163 family medicine physician records list a practice address in Wilmington

They are 163 of the 6,291 NPPES records with a practice address in Wilmington, and 518 family medicine physician records in Delaware.

The 8 family medicine physician records with the nearest ZIP codes

  1. Maryann Connor, DOWilmington, DE 198081912960428
  2. John Fenice, M.D.Wilmington, DE 198081033138169
  3. Eva Geracimos, MDWilmington, DE 198081750344784
  4. Mark Haegele, DOWilmington, DE 198081750325544
  5. Scott Harrison, DOWilmington, DE 198081841253275
  6. Rebecca Jaffe, MDWilmington, DE 198081275539033
  7. David Jezyk, MDWilmington, DE 198081093828014
  8. Horatio Jones, MDWilmington, DE 198081235101676

Common questions

What is Alan D. Warrington, D.O.'s NPI number?

Alan D. Warrington, D.O.'s National Provider Identifier (NPI) is 1801981923, issued on Oct 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alan D. Warrington, D.O. located?

The NPPES record lists a practice address at 5307 Limestone RD, Wilmington, DE, 19808. Phone: (302) 239-9599. Providers update this record themselves, so call before visiting.

How can I verify Alan D. Warrington, D.O.'s license?

NPPES lists Delaware license number C2-0003184, 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 Alan D. Warrington, D.O. prescribe under Medicare Part D?

In 2024, Alan D. Warrington, D.O. had 10,292 Medicare Part D claims for 477 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.