James Ira Wallstrom, MD
NPI 1710927025ActiveIndividual· Internal Medicine· Glendale, CA
Internal Medicine (MD) in Glendale, California, trained at Loma Linda University School of Medicine (class of 1989). Their prescriptions cost Medicare Part D more than their services did: $292,415 for 3,623 claims, against $101,047 paid for services in 2024. Salix Pharmaceuticals, A Division of Bausch Health US, LLC was the largest of 5 companies reporting payments in 2025, $346.76 in all, mostly food and beverage.
Overview
| NPI | 1710927025 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Jul 9, 2026 |
| Certified by provider | Jul 9, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G74317 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 193 |
|---|---|
| Services billed | 1,050 across 31 procedure codes |
| Paid by Medicare | $101,047 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,623 · 6,656 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $292,415 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Matthew Lew MD IncGlendale, CA · 4 clinicians
Hospital affiliations
- Glendale Adventist Medical CenterGlendale, CA
- Usc Verdugo Hills HospitalGlendale, CA
Other facilities
- Adventist Health Home Care ServicesHome health agency · Simi Valley, CA
- Superior Home Health Services, Inc.Home health agency · Tujunga, CA
- Verdugo Hills Home Care, IncHome health agency · La Crescenta, CA
Industry payments (Open Payments)
- 2025$346.76 · 7 payments from 5 companies
- 2024$205.59 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $148.15 | 3 |
| Novo Nordisk Inc | $120.27 | 1 |
| Exact Sciences Corporation | $34.70 | 1 |
| Teleflex LLC | $25.08 | 1 |
| Glaxosmithkline, LLC. | $18.56 | 1 |
What the 2025 payments were for
- Food and Beverage$346.76 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 169 internal medicine physicians in Glendale · All internal medicine physicians in California