John Bartley Stewart, MD
Pediatrics Physician · Newark, DE
John Bartley Stewart, MD is a pediatrics physician with a practice address in Newark, Delaware, and NPI 1346314382, issued on Nov 20, 2006. Check the license (Delaware C10000299, as entered in NPPES) on the Delaware Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- John Bartley Stewart
- Credential
- MD
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- C10000299 DE
Self-reported in NPPES; status is on the state search - Practice location
- 314 East Main Street, Newark, DE 19711
- Phone
- (302) 737-3281
- Enumerated
- Nov 20, 2006
- Record last updated
- Dec 9, 2022
- Fax
- (302) 738-8750
- Medicaid ID
- 0000202001 DE
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 290 in Delaware → Look up another NPI →
Also registered at 314 East Main Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Richard Jaskewich, PHYSCIAN ASSISTANTPhysician Assistant1235464983
Verify John Bartley Stewart 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 C10000299Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average pediatrics physician in 2024
67 Medicare Part D claims, against an average of 375 among the 5,609 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Lantus13 claims
- Jardiance12 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: $58.32
3 payments; by number, the most common kind was food and beverage; the largest payer was Sanofi-Aventis U.S. LLC. The 21,580 providers of this specialty with any payment received $842.05 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.
John Bartley Stewart among 290 pediatrics physician records in Delaware
John Bartley Stewart, MD is one of 290 pediatrics physician records with a practice address in Delaware. 35% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2022 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Delaware practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pediatrics Physician providers in Delaware
There are 290 pediatrics physician records in Delaware.
All 290 in Delaware → Every provider in Newark → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Sangita Modi, MDNewark, DE 197111124104021
- Joann Villamarin, MDNewark, DE 197111255405585
- Michael Bruno, MDNewark, DE 197131164454120
- Neal Cohn, MDNewark, DE 197131720190374
- Elizabeth Crowe, M.D.Middletown, DE 197091043534704
- Bonni Field, MDNewark, DE 197131326080698
- Laura Hall, MDMiddletown, DE 197091336144047
- Kerry Kirifides, M.D.Newark, DE 197131508865262
Common questions
What is John Bartley Stewart, MD's NPI number?
John Bartley Stewart, MD's National Provider Identifier (NPI) is 1346314382, issued on Nov 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John Bartley Stewart, MD located?
The NPPES record lists a practice address at 314 East Main Street, Newark, DE, 19711. Phone: (302) 737-3281. Providers update this record themselves, so call before visiting.
How can I verify John Bartley Stewart, MD's license?
NPPES lists Delaware license number C10000299, 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 John Bartley Stewart, MD prescribe under Medicare Part D?
In 2024, John Bartley Stewart, MD had 67 Medicare Part D claims; the average among pediatrics physician prescribers was 375. 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.