NPPES file of Aug 9, 2026

Stephen Duggan, DO

Family Medicine Physician · Middletown, DE

Stephen Duggan, DO is a family medicine physician with a practice address in Middletown, Delaware, and NPI 1225014871, issued on Dec 15, 2005. Check the license (Delaware C20004393, 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
1225014871
Name
Stephen Duggan
Credential
DO
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
C20004393 DE
Self-reported in NPPES; status is on the state search
Practice location
124 Sleepy Hollow Dr, Middletown, DE 19709
Phone
(302) 449-3030
Enumerated
Dec 15, 2005
Record last updated
Jun 20, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(302) 449-3040
Medicare enrollment
Enrolled (PECOS I20100212000529); accepts Medicare assignment
Medical or professional school
Philadelphia College Of Osteopathic Medicine, 1992
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.
Download card Updates feed

Also registered at 124 Sleepy Hollow Dr

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

  1. Latrina Bailey, MSN, APRN, FNP-CFamily Nurse Practitioner1942787965
  2. John Cellucci, MDFamily Medicine Physician1740239235
  3. Carolyn Chambers, PA-CPhysician Assistant1700227352
  4. Todd Cumming, PTOrthopedic Physical Therapist1518948355
  5. Todd EverettPhysical Therapist1124059654
  6. Beth Fisher, DOFamily Medicine Physician1689651747

Verify Stephen Duggan 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 C20004393
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

88% more Medicare Part D claims than the average family medicine physician in 2024

6,651 Medicare Part D claims for 562 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 52 claims were for opioids.

  1. Stephen Duggan6,651
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium585 claims
  2. Amlodipine Besylate380 claims
  3. Lisinopril330 claims
  4. Losartan Potassium322 claims
  5. Rosuvastatin Calcium269 claims
  6. Omeprazole262 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.

Bills Medicare through one group practice

  1. Christiana Care Health Services IncHockessin, DE

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

Stephen Duggan among 518 family medicine physician records in Delaware

Stephen Duggan, DO 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 85% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1992 · median 2002 among the 323 with a school on file
  • Record last updated2008 · 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).

21 family medicine physician records list a practice address in Middletown

They are 21 of the 607 NPPES records with a practice address in Middletown, and 518 family medicine physician records in Delaware.

The 8 family medicine physician records with the nearest ZIP codes

  1. Sameh Basta, M.DMiddletown, DE 197091922414978
  2. Josefina Luisa Cancino, MDMiddletown, DE 197091154404143
  3. Mark Case, M.D.Middletown, DE 197091730137019
  4. John Cellucci, MDMiddletown, DE 197091740239235
  5. Laxmichand Dedhia, M.D.Middletown, DE 197091508845132
  6. Mhaidi Elmedkhar, M.D.Middletown, DE 197091760461859
  7. Beth Fisher, DOMiddletown, DE 197091689651747
  8. Ann Johnson, MDMiddletown, DE 197091417119348

Common questions

What is Stephen Duggan, DO's NPI number?

Stephen Duggan, DO's National Provider Identifier (NPI) is 1225014871, issued on Dec 15, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Duggan, DO located?

The NPPES record lists a practice address at 124 Sleepy Hollow Dr, Middletown, DE, 19709. Phone: (302) 449-3030. Providers update this record themselves, so call before visiting.

How can I verify Stephen Duggan, DO's license?

NPPES lists Delaware license number C20004393, 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 Stephen Duggan, DO prescribe under Medicare Part D?

In 2024, Stephen Duggan, DO had 6,651 Medicare Part D claims for 562 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.