Dr. John Bartley Stewart Jr., MD
- Part D claims, 2024
- 67
- Industry payments
- $617
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Practice address
- 1600 Rockland Rd, Wilmington, DE 19803
- Practice phone
- Call (302) 651-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Nemours Children's Hospital - Delaware
Wilmington, Delaware
Find Dr. Stewart'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. John Bartley Stewart Jr. is a pediatrician in Wilmington, Delaware
Dr. Stewart practices at Nemours Children's Hospital - Delaware in Wilmington, Delaware.
Dr. Stewart's NPI, 1346314382, was assigned on November 20, 2006. Dr. Stewart holds Delaware license C10000299.
- NPI
- 1346314382NPI Registry (opens in a new tab)
- NPI enumeration date
- November 20, 2006
- NPI status
- Active
- Practice phone
- (302) 651-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. John Bartley Stewart Jr. practices at Nemours Children's Hospital - Delaware in Wilmington, Delaware
Dr. Stewart's primary practice is Nemours Children's Hospital - Delaware, at 1600 Rockland Rd, Wilmington, DE 19803 in New Castle County. The practice phone is (302) 651-4000.
- Nemours Children's Hospital - Delaware1600 Rockland Rd, Wilmington, DE 19803 · New Castle CountyPhone(302) 651-4000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. John Bartley Stewart Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Stewart's primary practice is Nemours Children's Hospital - Delaware in Wilmington, Delaware. Dmand AI also links Dr. Stewart to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Bartley Stewart Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Stewart 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 |
| +1 more site and 1 medical group | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Bartley Stewart Jr. is one of 283 pediatricians in Delaware
Pediatrics is Dr. Stewart's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. Stewart is licensed in Delaware.
Specialties and state licenses
- Pediatrics, DelawarePrimary
Pediatricians near Dr. Stewart
Counts of pediatricians 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. John Bartley Stewart Jr.'s patients have a median age of 12
Across all payers, Dmand AI patient panel data puts Dr. Stewart's median patient age at 12, with 45% women.
Dr. Stewart'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
- Women45%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. John Bartley Stewart Jr. wrote 67 Medicare Part D claims in 2024
In 2024, Dr. Stewart wrote 67 Medicare Part D claims. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $7,838 in total drug cost. In 2023, CMS named 13 claims across 1 drug.
Dr. Stewart's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 132024: 2592%
Drugs named by CMS: 2 in 2024, 1 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. John Bartley Stewart Jr. received $617 in industry payments from 2016 to 2024
CMS Open Payments shows 38 general payments to Dr. Stewart from 12 drug and device companies from 2016 to 2024. Food and beverage make up the largest share, 100% of the total. kaleo, Inc. paid the most, $171.
General payments to Dr. Stewart by program year, 2016 to 2024
Companies that paid Dr. Stewart the most, 2016 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. John Bartley Stewart Jr.'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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. John Bartley Stewart Jr.
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. John Bartley Stewart Jr.'s NPI number?
Dr. John Bartley Stewart Jr.'s NPI number is 1346314382. It was assigned on November 20, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Bartley Stewart Jr.?
Dr. John Bartley Stewart Jr. is a pediatrician in Wilmington, Delaware. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. John Bartley Stewart Jr. practice?
Dr. Stewart practices at 1600 Rockland Rd, Wilmington, DE 19803. Dr. Stewart's primary practice is Nemours Children's Hospital - Delaware in Wilmington, Delaware. Dmand AI also links Dr. Stewart to 1 group practice or clinic and 1 medical group.
What is Dr. John Bartley Stewart Jr.'s office phone number?
The practice phone on file for Dr. Stewart is (302) 651-4000.
What is Dr. John Bartley Stewart Jr.'s medical license number?
Dr. Stewart holds Delaware license C10000299.
What drugs does Dr. John Bartley Stewart Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Stewart's most prescribed drugs by claims were Lantus and Jardiance.
Has Dr. John Bartley Stewart Jr. received payments from drug or device companies?
CMS Open Payments shows $617 in general payments to Dr. Stewart from 12 companies from 2016 to 2024. The largest total came from kaleo, Inc.
How long has Dr. John Bartley Stewart Jr. been practicing?
Dr. Stewart's NPI was assigned in 2006.
Selling to pediatrics practices?
See pediatricians in Delaware by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card