Joseph G. Dizon, MD
NPI 1750440343ActiveIndividual· Allergy & Immunology, Allergy· Los Angeles, CA
Allergy & Immunology, Allergy (MD) in Los Angeles, California, trained at Hahnemann University College of Medicine (class of 1992). Part D covered 1,240 prescriptions written in 2024, 68% of them generic. Genzyme Corporation reported $115.37 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1750440343 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 8, 2006 |
| Last updated in NPPES | Nov 29, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology, Allergy Primary | 207KA0200X | G81399 | 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 - Allergy/Immunology (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 1,240 · 1,903 30-day fills |
|---|---|
| Patients | 261 |
| Total drug cost | $378,349 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Allergy/Immunology |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Industry payments (Open Payments)
- 2025$115.37 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $115.37 | 1 |
What the 2025 payments were for
- Food and Beverage$115.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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