Alan E. Gorenberg, MD
NPI 1730115221ActiveIndividual· Allergy & Immunology· Orange, CA
Allergy & Immunology (MD) in Orange, California, trained at Loma Linda University School of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $3,095,127 for 983 claims, against $231,685 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 3 companies reporting payments in 2025, $135.27 in all, mostly food and beverage.
Overview
| NPI | 1730115221 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 25, 2006 |
| Last updated in NPPES | Oct 14, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | G60876 | CA |
| Internal Medicine, Allergy & Immunology | 207RA0201X | G60876 | CA |
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 - Allergy/Immunology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 414 |
|---|---|
| Services billed | 19,933 across 33 procedure codes |
| Paid by Medicare | $231,685 |
Part D prescriptions in 2024
| Prescriptions (claims) | 983 · 1,434 30-day fills |
|---|---|
| Patients | 213 |
| Total drug cost | $3,095,127 |
| Generic share | 44% of claims |
Education and affiliations
| Medical school | Loma Linda University School of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Allergy/Immunology |
| Secondary specialties | Internal Medicine |
Industry payments (Open Payments)
- 2025$135.27 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $92.79 | 4 |
| Cycle Pharmaceuticals Inc | $22.42 | 1 |
| Azurity Pharmaceuticals, Inc. | $20.06 | 1 |
What the 2025 payments were for
- Food and Beverage$135.27 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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