NPPES file of Aug 9, 2026

Henrietta M. Mahoney, MD

General Practice Physician · Wilmington, DE

Henrietta M. Mahoney, MD is a general practice physician with a practice address in Wilmington, Delaware, and NPI 1003907411, issued on Sep 28, 2006. Check the license (Delaware C10007873, 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
1003907411
Name
Henrietta M. Mahoney
Credential
MD
Primary taxonomy
General Practice Physician 208D00000X
License number
C10007873 DE
Self-reported in NPPES; status is on the state search
Practice location
Nemours Pediatrics Philadelphia Pike, Wilmington, DE 19809
Phone
(302) 761-4660
Enumerated
Sep 28, 2006
Record last updated
Sep 29, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(302) 761-4666
Medicaid IDs
149039 NJ
101519114 PA
4096487 MD
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at Nemours Pediatrics Philadelphia Pike

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

  1. Andrew Henderson, MDGeneral Practice Physician1134210511
  2. William Houston, MDPediatrics Physician1609967942

Verify Henrietta M. Mahoney 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 C10007873
    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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Industry payments in 2024: $34.27

1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 4,259 providers of this specialty with any payment received $1,273.40 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Henrietta Mahoney$34.27
  2. Specialty average$1,273.40

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

Henrietta M. Mahoney among 49 general practice physician records in Delaware

Henrietta M. Mahoney, MD is one of 49 general practice physician records with a practice address in Delaware. 37% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 37% newer
  • In a Medicare fileYes · 37% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2011 · 82% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208D00000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

General Practice Physician providers in Delaware

There are 49 general practice physician records in Delaware.

The 8 general practice physician records with the nearest ZIP codes

  1. Andrew Henderson, MDWilmington, DE 198091134210511
  2. Wayne Garraway, DOWilmington, DE 198101871660845
  3. Ananth Nabha, MDWilmington, DE 198081962435404
  4. Susan Otero, MDWilmington, DE 198081205997244
  5. Scott Schaeffer, MDWilmington, DE 198081649242801
  6. Dimitrios Zerefos, DOWilmington, DE 198081013916766
  7. Aguida Atkinson, MDWilmington, DE 198051407947880
  8. Nelson Santos, MDWilmington, DE 198051831280171

Common questions

What is Henrietta M. Mahoney, MD's NPI number?

Henrietta M. Mahoney, MD's National Provider Identifier (NPI) is 1003907411, issued on Sep 28, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Henrietta M. Mahoney, MD located?

The NPPES record lists a practice address at Nemours Pediatrics Philadelphia Pike, Wilmington, DE, 19809. Phone: (302) 761-4660. Providers update this record themselves, so call before visiting.

How can I verify Henrietta M. Mahoney, MD's license?

NPPES lists Delaware license number C10007873, 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.

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.