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John T. Stewart, M.D.

NPI 1417031022ActiveIndividual· Family Medicine· Alhambra, CA

Family Medicine (M.D.) with Stewart and Stewart A Medical Corporation, practicing in Alhambra, California. Their prescriptions cost Medicare Part D more than their services did: $730,774 for 5,457 claims, against $75,467 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 21 companies reporting payments in 2025, $1,359 in all, mostly food and beverage. Lists Alhambra Hospital Medical Center and 1 other hospital as hospital affiliations.

Overview

NPI1417031022
StatusActive
Entity typeIndividual
CredentialM.D.
Sole proprietorNo
NPI issuedOct 24, 2006
Last updated in NPPESJul 9, 2007

Specialties and licenses

TaxonomyCodeLicenseState
Family Medicine Primary207Q00000XA34137CA

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Family Practice (CA)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients259
Services billed983 across 31 procedure codes
Paid by Medicare$75,467

Part D prescriptions in 2024

Prescriptions (claims)5,457 · 11,691 30-day fills
Patients517
Total drug cost$730,774
Generic share82% of claims

Medicare sources and data years

Education and affiliations

Graduation year1977
Medicare specialtyFamily Practice
TelehealthOffers telehealth

Medical group

Hospital affiliations

Other facilities

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,359 · 66 payments from 21 companies
  • 2024$1,294 · 56 payments from 20 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,359 · 66 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

Other family medicine physicians in Alhambra

All 43 family medicine physicians in Alhambra · All family medicine physicians in California