John Rowe Hallsten, MD
NPI 1821679077ActiveIndividual· Surgery, Vascular Surgery· La Jolla, CA
Surgery, Vascular Surgery (MD) in La Jolla, California, trained at Loyola University of Chicago, Stritch School of Medicine (class of 2021). Part D covered 79 prescriptions written in 2024, 86% of them generic. Penumbra, Inc. was the largest of 5 companies reporting payments in 2025, $794.47 in all, mostly food and beverage.
Overview
| NPI | 1821679077 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 19, 2021 |
| Last updated in NPPES | Jul 23, 2026 |
| Certified by provider | Jul 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Vascular Surgery Primary | 2086S0129X | A199281 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Vascular Surgery (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 79 · 99 30-day fills |
|---|---|
| Patients | 42 |
| Total drug cost | $5,098 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Loyola University of Chicago, Stritch School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Vascular Surgery |
Hospital affiliation
- Grossmont HospitalLa Mesa, CA
Industry payments (Open Payments)
- 2025$794.47 · 10 payments from 5 companies
- 2024$491.58 · 5 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Penumbra, Inc. | $258.40 | 3 |
| Boston Scientific Corporation | $256.08 | 3 |
| Shockwave Medical, Inc | $176.95 | 1 |
| Endologix LLC | $70.00 | 2 |
| Baxter Healthcare | $33.04 | 1 |
What the 2025 payments were for
- Food and Beverage$794.47 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Surgery, Vascular Surgery providers in La Jolla
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