James R. Stewart, M.D.
Internal 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: $682,008 for 8,293 claims, against $42,115 paid for services in 2024. Abbvie Inc. was the largest of 24 companies reporting payments in 2025, $1,651 in all, mostly food and beverage. Lists Alhambra Hospital Medical Center and 1 other hospital as hospital affiliations. A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1689758294 |
|---|---|
| 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 |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A34030 | CA |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in California, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | James Allen Stewart · Nurse/Nurses Aide | 1128b4 | Apr 20, 2000 | Los Angeles, CA |
| Name + state | James Allen Stewart · Nurse/Nurses Aide | 1128b4 | Aug 19, 1999 | Los Angeles, CA |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| 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 | 122 |
|---|---|
| Services billed | 480 across 18 procedure codes |
| Paid by Medicare | $42,115 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,293 · 15,132 30-day fills |
|---|---|
| Patients | 464 |
| Total drug cost | $682,008 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Family Practice |
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
Industry payments (Open Payments)
- 2025$1,651 · 81 payments from 24 companies
- 2024$1,151 · 47 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $216.35 | 12 |
| Glaxosmithkline, LLC. | $176.01 | 14 |
| Astrazeneca Pharmaceuticals LP | $169.29 | 8 |
| Bayer Healthcare Pharmaceuticals Inc. | $164.25 | 9 |
| Amgen Inc. | $158.15 | 4 |
What the 2025 payments were for
- Food and Beverage$1,651 · 81 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 internal medicine physicians in Alhambra · All internal medicine physicians in California