William Giles Stuart Mackenzie, M.D.
Pediatric Orthopaedic Surgery Physician · Wilmington, DE
William Giles Stuart Mackenzie, M.D. is a pediatric orthopaedic surgery physician with a practice address in Wilmington, Delaware, and NPI 1952744898, issued on Apr 10, 2013. Check the license (Delaware C1-0013223, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- William Giles Stuart Mackenzie
- Credential
- M.D.
- Primary taxonomy
- Pediatric Orthopaedic Surgery Physician 207XP3100X
- License number
- C1-0013223 DE
Self-reported in NPPES; status is on the state search - Practice location
- 1600 Rockland RD, Wilmington, DE 19803
- Phone
- (302) 651-4200
- Enumerated
- Apr 10, 2013
- Record last updated
- Sep 4, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (302) 651-4945
- Medicare enrollment
- Enrolled (PECOS I20191016001337); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pediatric orthopaedic surgery physician records → All 19 in Delaware → Look up another NPI →
Also registered at 1600 Rockland RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nicole Aaronson, M.D.Pediatric Otolaryngology Physician1285925305
- Erioluwa Akhimien, PHARMDPharmacist1295610541
- Brad Albertson, M.D.Pediatrics Physician1972983716
- Angela Alfano, M.S. CCC-SLPSpeech-Language Pathologist1942480579
- Lida Alimorad, D.D.SPediatric Dentistry1013201987
- Anthony Alioto, PH.DClinical Child & Adolescent Psychologist1134138662
Verify William Giles Stuart Mackenzie in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersDelaware Board of Medical Licensure and Discipline
Search for license C1-0013223Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $5,451.06
12 payments; by number, the most common kind was food and beverage; the largest payer was Medical Device Business Services, Inc. The 503 providers of this specialty with any payment received $5,092.64 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
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
- The Nemours FoundationWilmington, DE
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Giles Stuart Mackenzie among 19 pediatric orthopaedic surgery physician records in Delaware
William Giles Stuart Mackenzie, M.D. is one of 19 pediatric orthopaedic surgery physician records with a practice address in Delaware. 58% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 74% of them.
- NPI issued2013 · 74% of these records are older, 21% newer
- In a Medicare fileYes · 58% of these records are
- In the CMS Doctors and Clinicians fileYes · 37% of these records are
- Record last updated2019 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207XP3100X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatric Orthopaedic Surgery Physician providers in Delaware
There are 19 pediatric orthopaedic surgery physician records in Delaware.
All 19 in Delaware → Every provider in Wilmington → Pediatric Orthopaedic Surgery Physician nationwide →
The 8 pediatric orthopaedic surgery physician records with the nearest ZIP codes
- Alfred Atanda, MDWilmington, DE 198031255597407
- J. Bowen, MDWilmington, DE 198031578654844
- Kirk Dabney, MDWilmington, DE 198031043301328
- Jeanne Franzone, MDWilmington, DE 198031306163126
- Peter Gabos, MDWilmington, DE 198031033209770
- Richard Kruse, D.O.Wilmington, DE 198031063504843
- William Mackenzie, MDWilmington, DE 198031760574552
- Freeman Miller, MDWilmington, DE 198031992897789
Common questions
What is William Giles Stuart Mackenzie, M.D.'s NPI number?
William Giles Stuart Mackenzie, M.D.'s National Provider Identifier (NPI) is 1952744898, issued on Apr 10, 2013. An NPI identifies a provider in billing; it is not a license.
Where is William Giles Stuart Mackenzie, M.D. located?
The NPPES record lists a practice address at 1600 Rockland RD, Wilmington, DE, 19803. Phone: (302) 651-4200. Providers update this record themselves, so call before visiting.
How can I verify William Giles Stuart Mackenzie, M.D.'s license?
NPPES lists Delaware license number C1-0013223, 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.