NPPES file of Aug 9, 2026

Ian Michael Lonergan, D.O.

Plastic and Reconstructive Surgery Physician · Wilmington, DE

Ian Michael Lonergan, D.O. is a plastic and reconstructive surgery physician with a practice address in Wilmington, Delaware, and NPI 1174795744, issued on Mar 24, 2008. Check the license (Delaware C20008811, 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
1174795744
Name
Ian Michael Lonergan
Credential
D.O.
Primary taxonomy
Plastic and Reconstructive Surgery Physician 2086S0122X
License numbers
C20008811 DE
5101017079 MI
Self-reported in NPPES; status is on the state search
Practice location
1600 Pennsylvania Ave, Wilmington, DE 19806
Phone
(302) 656-0214
Enumerated
Mar 24, 2008
Record last updated
Apr 22, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(877) 284-8933
Medicare enrollment
Enrolled (PECOS I20081105000358); accepts Medicare assignment
Medical or professional school
Rowan University School Of Osteopathic Medicine, 2000
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 1600 Pennsylvania Ave

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

  1. John Ashby, M.D.Physical Medicine & Rehabilitation Physician1740229046
  2. Neil Deleeuw, MDPlastic Surgery Physician1225141625
  3. Frederick Gooding, M.D.Specialist1255377180
  4. Lynn Testaiuti, RNRegistered Nurse1225412810

Verify Ian Michael Lonergan 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 C20008811
    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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2.7 times the Medicare Part D claims of the average plastic and reconstructive surgery physician in 2024

247 Medicare Part D claims for 217 beneficiaries, against an average of 93 among the 1,895 providers of this specialty who prescribed in Part D.

  1. Ian Lonergan247
  2. Specialty average93

Most prescribed

  1. Cephalexin190 claims
  2. Azithromycin14 claims
  3. Doxycycline Hyclate13 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: $88,032.32

91 payments; by number, the most common kind was consulting fee; the largest payer was Csl Plasma Inc. The 2,042 providers of this specialty with any payment received $2,814.09 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ian Lonergan$88,032
  2. Specialty average$2,814

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. Beebe Physician Network Inc.Rehoboth Beach, DE

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

Plastic and Reconstructive Surgery Physician providers in Delaware

There are 8 plastic and reconstructive surgery physician records in Delaware.

The 7 plastic and reconstructive surgery physician records with the nearest ZIP codes

  1. Benjamin Cooper, MDWilmington, DE 198081487650867
  2. Rhoda PowellWilmington, DE 198031669460531
  3. Stephanie Caterson, M.D.Newark, DE 197131588696025
  4. Julia Macrae, MDNewark, DE 197131902988256
  5. John Roussalis, M.D.PCNewark, DE 197131235252669
  6. David Schmidt, MDDover, DE 199011194831149
  7. Jonathan Sarik, MDMilford, DE 199631013207117

Common questions

What is Ian Michael Lonergan, D.O.'s NPI number?

Ian Michael Lonergan, D.O.'s National Provider Identifier (NPI) is 1174795744, issued on Mar 24, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Ian Michael Lonergan, D.O. located?

The NPPES record lists a practice address at 1600 Pennsylvania Ave, Wilmington, DE, 19806. Phone: (302) 656-0214. Providers update this record themselves, so call before visiting.

How can I verify Ian Michael Lonergan, D.O.'s license?

NPPES lists Delaware license number C20008811, 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 Ian Michael Lonergan, D.O. prescribe under Medicare Part D?

In 2024, Ian Michael Lonergan, D.O. had 247 Medicare Part D claims for 217 beneficiaries; the average among plastic and reconstructive surgery physician prescribers was 93. 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.