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
| NPI | 1417031022 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 24, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | A34137 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 259 |
|---|---|
| Services billed | 983 across 31 procedure codes |
| Paid by Medicare | $75,467 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,457 · 11,691 30-day fills |
|---|---|
| Patients | 517 |
| Total drug cost | $730,774 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Stewart and Stewart A Medical CorporationAlhambra, CA · 5 clinicians
Hospital affiliations
- Alhambra Hospital Medical CenterAlhambra, CA
- San Gabriel Valley Medical CenterSan Gabriel, CA
Other facilities
- Accurate Home Health Care, IncHome health agency · Rosemead, CA
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
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $205.97 | 7 |
| Abbvie Inc. | $201.14 | 10 |
| Glaxosmithkline, LLC. | $157.45 | 13 |
| Novo Nordisk Inc | $121.48 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $120.00 | 5 |
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
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All 43 family medicine physicians in Alhambra · All family medicine physicians in California