NPI registry status
Active
2026 NPPES data Pediatrics Physician NPI 1346314382 MD
Verify on CMS → John Stewart, MD
Pediatrics Physician in Newark, Delaware.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 81,773 in Pediatrics Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
67
Medicare Part D claims · Pediatrics Physician avg: 818
Generic prescribing
0%
generic claims · 52% brand-name · higher generic rates reduce patient out-of-pocket costs
Industry payments
$58.32
3 payments · CMS Open Payments (Sunshine Act)
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
John Stewart, MD filed 67 Medicare Part D claims in 2024 as a Pediatrics Physician in Newark, Delaware, prescribing 0% generic.
- 67
- Part D claims, 2024
- 0%
- generic prescribing
- $58.32
- industry payments (Sunshine Act)
- ≥0th
- pct by Part D claim volume (lower-bound band)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about John Stewart, MD
Federal records show an active NPI with Medicare Part D prescribing activity — verifiable registry data, not a proprietary rating.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1346314382), first enumerated 11/20/2006.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 67 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
Board certification signal
Practices in an ABMS-board-eligible specialty; board certification not confirmed in federal records.
- Reported
Industry payment transparency
$58.32 in reported industry payments (3 transfers) in 2024 under the federal Sunshine Act — disclosed transfers of value, not a quality rating.
Source: CMS Open Payments
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
CMS NPPES provider registry desk
NPI 1346314382 · Pediatrics Physician
NPI-10 · ENUM-LEGACY · TAX-MEGA · RX-TRACE · BOOK-THIN · PHOTO-ENUM
- NPI-10 1346314382
- ENUM-LEGACY 2006
- TAX-MEGA 82K Pediatrics Physician
- RX-TRACE 67
- BOOK-THIN 346 in Delaware
- PHOTO-ENUM Nada Aldallal, MD · 2006
John Stewart, MD's Medicare Part D volume vs every U.S. prescriber
Total Medicare Part D claims, 2024, across all CMS prescribers nationally
67 ≥ 0th percentile 0% of 1,416,883 prescribers are in lower value bands
Each bar is a band; taller bars hold more prescribers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative 100-claim band: it counts only prescribers in lower claim-volume bands. Medicare Part D claim volume is activity context, not a quality measure or recommendation. See methodology § corpus placement.
Source CMS Medicare Part D Prescriber Public Use File · 2024
◑
Board-eligible specialty (heuristic, not verified)
John Stewart, MD practices in an ABMS-board-eligible specialty but we don't have enough CMS-participation signals to confirm active board-certified status. Consult CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about John Stewart, MD?
Quality data not reportedPrimary specialty
Pediatrics Physician
Medicare Part D claims
67 92% vs specialty avg
Specialty distribution in Delaware
How Pediatrics Physician compares to other specialties among Delaware providers
Board certification
Not published by CMS
CMS does not publish a per-provider board-certification field in NPPES. PlainDoctor does not have a reliable per-specialty certification rate to show for Pediatrics Physician. Verify directly:
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1346314382 |
|---|---|
| Specialty | Pediatrics Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 11/20/2006 |
Industry payments received (2024) - CMS Open Payments transparency data
The federal Physician Payments Sunshine Act (part of the Affordable Care Act) requires drug and medical-device manufacturers + group purchasing organizations to publicly report payments and other transfers of value to physicians and teaching hospitals. The data below covers 2024 for John Stewart, MD. Source: openpaymentsdata.cms.gov.
Total received
$58
Largest payer
SANOFI-AVENTIS U.S. LLC
Most common payment type
Food and Beverage
Industry payments are not necessarily indicators of bias, they include research funding, consulting fees for evidence-based work, royalties for inventions, food at conferences, and similar items. The disclosure exists for transparency. Read our methodology for how we interpret this data.
Brand vs generic prescribing mix · Brand-heavy
John Stewart, MD - brand share 52.0%
Pediatrics Physician average
52% brand-name claims vs 0% generic, on 67 2024 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
67
Total Claims
$15K
Total Drug Cost
N/A
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 107
- Total Day Supply
- 2,922
- Brand vs Generic
- 52% brand / 0% generic
- Brand Drug Cost
- $14K
Patient Demographics
- Average Patient Age
- 82.3 years
- Avg HCC Risk Score
- 0.84
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
| Drug | Claims |
|---|---|
| Lantus Insulin Glargine,hum.Rec.Anlog | 13 |
| Jardiance Empagliflozin | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Pediatrics Physician Overview
How John Stewart, MD fits within the Pediatrics Physician landscape nationally.
81,773
Pediatrics Physician Providers in US
56
States with Pediatrics Physician
818
Avg Claims per Provider
John Stewart, MD's 67 claims are below the specialty average of 818.
Nationwide Pediatrics Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Stewart, both outside Delaware so the neighborhoods are not geographic containment.
Same NPPES enumeration year (2006)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Pediatrics Physician Providers in Delaware
Other clinicians with the same primary specialty enrolled in Delaware, drawn from the same CMS NPPES roster as Stewart.
One of 346 Pediatrics Physician providers enrolled in Delaware, 5 are shown here.
Dr. Elsayed Abdelsalam
MD
Camden, DE
Dr. Rebecca Achterhof
MD
Newark, DE
Dr. Adebowale Adeyemi
MD
Wilmington, DE
Nicole Adler
Bear, DE
Dr. Taqdees Afreen
M.D.
Milford, DE
Compare Pediatrics Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is John Stewart, MD's specialty? ▼
John Stewart, MD specializes in Pediatrics Physician and practices in Newark, Delaware. Credentials: MD.
How much does John Stewart, MD prescribe under Medicare Part D? ▼
In 2024, John Stewart, MD wrote 67 Medicare Part D claims totaling $15K in drug costs for N/A beneficiaries.
Where is John Stewart, MD located? ▼
John Stewart, MD is located at 314 EAST MAIN STREET, Newark, DE, 19711. Phone: (302) 737-3281.
What is John Stewart, MD's NPI number? ▼
John Stewart, MD's National Provider Identifier (NPI) is 1346314382, issued on 11/20/2006.
Does John Stewart, MD prescribe more brand-name or generic drugs? ▼
John Stewart, MD's prescribing is 52% brand-name and 0% generic drugs by claim count, with $14K in brand drug costs.
How many Pediatrics Physician providers are there in the US? ▼
There are 81,773 Pediatrics Physician providers across 56 states in the US. The average Pediatrics Physician provider writes 818 Medicare Part D claims per year.
What drugs does John Stewart, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, John Stewart, MD's most frequently prescribed drugs include Lantus, Jardiance. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does John Stewart, MD accept Medicare? ▼
John Stewart, MD appears in CMS Medicare data with 67 Part D claims and N/A Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify John Stewart, MD's credentials? ▼
John Stewart, MD's NPI is 1346314382 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.