Dr. William Giles Stuart MacKenzie, MD
- Hospital affiliations
- 1
- Industry payments
- $20,075
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2013
- Practice address
- 1600 Rockland Rd PO Box 269, Wilmington, DE 19899
- Practice phone
- Call (302) 651-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. MacKenzie's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William Giles Stuart MacKenzie is a pediatric orthopaedic surgery physician in Wilmington, Delaware
Dr. MacKenzie practices at Nemours Children's Hospital, Delaware in Wilmington, Delaware, part of The Nemours Foundation.
Dr. MacKenzie's NPI, 1952744898, was assigned on April 10, 2013. Dr. MacKenzie holds Delaware license C1-0013223.
- NPI
- 1952744898NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4587995956
- NPI enumeration date
- April 10, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (302) 651-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Giles Stuart MacKenzie practices at Nemours Children's Hospital, Delaware in Wilmington, Delaware
Dr. MacKenzie's primary practice is Nemours Children's Hospital, Delaware, at 1600 Rockland Rd PO Box 269, Wilmington, DE 19899 in New Castle County. The practice phone is (302) 651-4000.
- Nemours Children's Hospital, Delaware1600 Rockland Rd PO Box 269, Wilmington, DE 19899 · New Castle CountyPhone(302) 651-4000
Source: Dmand AI Affiliation Data
Dr. William Giles Stuart MacKenzie is affiliated with 1 site of care and 1 medical group
Dr. MacKenzie's primary practice is Nemours Children's Hospital, Delaware in Wilmington, Delaware, part of The Nemours Foundation. The medical group on file is Nemours Children's Hospital, Delaware.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Giles Stuart MacKenzie's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. MacKenzie practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Nemours Children's Hospital, Delaware | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across The Nemours Foundation and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Giles Stuart MacKenzie is one of 15 pediatric orthopaedic surgery physicians in Delaware
Pediatric orthopaedic surgery is Dr. MacKenzie's primary specialty in the NPI Registry, under taxonomy code 207XP3100X. Dr. MacKenzie is licensed in Delaware.
Specialties and state licenses
- Pediatric orthopaedic surgery, DelawarePrimary
Pediatric orthopaedic surgery physicians near Dr. MacKenzie
Counts of pediatric orthopaedic surgery physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Giles Stuart MacKenzie's patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. MacKenzie's median patient age at 12, with 48% women.
Dr. MacKenzie's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 12
Patient panel by sex, all payers
- Women48%
- Men51%
Source: Dmand AI Patient Panel Data
How Dr. William Giles Stuart MacKenzie takes part in Medicare
Dr. MacKenzie accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Laminectomy or laminotomy (partial removal of spine bones): 1 to 10 procedures (CMS shows small counts as a range)
Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
Dr. William Giles Stuart MacKenzie received $20,075 in industry payments from 2019 to 2025
CMS Open Payments shows 71 general payments to Dr. MacKenzie from 14 drug and device companies from 2019 to 2025. Consulting fees make up the largest share, 53% of the total. Medical Device Business Services, Inc. paid the most, $9,812.
General payments to Dr. MacKenzie by program year, 2019 to 2025
General payments to Dr. MacKenzie by kind, 2019 to 2025
- Consulting fees$10,54653%
- Travel and lodging$5,40227%
- Food and beverage$3,35017%
- Grants$4502%
- Education$3272%
Companies that paid Dr. MacKenzie the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. William Giles Stuart MacKenzie's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Giles Stuart MacKenzie
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William Giles Stuart MacKenzie's NPI number?
Dr. William Giles Stuart MacKenzie's NPI number is 1952744898. It was assigned on April 10, 2013, and it is active in the NPI Registry.
What kind of doctor is Dr. William Giles Stuart MacKenzie?
Dr. William Giles Stuart MacKenzie is a pediatric orthopaedic surgery physician in Wilmington, Delaware. The primary specialty in the NPI Registry is Pediatric Orthopaedic Surgery Physician (taxonomy code 207XP3100X).
Where does Dr. William Giles Stuart MacKenzie practice?
Dr. MacKenzie practices at 1600 Rockland Rd PO Box 269, Wilmington, DE 19899. Dr. MacKenzie's primary practice is Nemours Children's Hospital, Delaware in Wilmington, Delaware, part of The Nemours Foundation.
What is Dr. William Giles Stuart MacKenzie's office phone number?
The practice phone on file for Dr. MacKenzie is (302) 651-4000.
What is Dr. William Giles Stuart MacKenzie's medical license number?
Dr. MacKenzie holds Delaware license C1-0013223.
Which hospitals is Dr. William Giles Stuart MacKenzie affiliated with?
Dr. MacKenzie practices at Nemours Children's Hospital, Delaware in Wilmington, Delaware.
What medical group is Dr. William Giles Stuart MacKenzie part of?
Dr. MacKenzie is linked to Nemours Children's Hospital, Delaware.
Does Dr. William Giles Stuart MacKenzie accept Medicare?
Yes. CMS lists Dr. MacKenzie as accepting Medicare assignment.
Has Dr. William Giles Stuart MacKenzie received payments from drug or device companies?
CMS Open Payments shows $20,075 in general payments to Dr. MacKenzie from 14 companies from 2019 to 2025. The largest total came from Medical Device Business Services, Inc.
How long has Dr. William Giles Stuart MacKenzie been practicing?
Dr. MacKenzie graduated from medical school in 2013, 13 years ago.
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