Jacob Offenberger, MD
NPI 1033121249ActiveIndividual· Allergy & Immunology· Granada Hills, CA
Allergy & Immunology (MD) in Granada Hills, California, licensed in CA, with an NPI issued in August 2006. Their prescriptions cost Medicare Part D more than their services did: $1,544,372 for 6,212 claims, against $490,736 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 29 companies reporting payments in 2025, $110,420 in all, mostly speaking and faculty fees.
Overview
| NPI | 1033121249 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 13, 2006 |
| Last updated in NPPES | Nov 22, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Allergy & Immunology Primary | 207K00000X | A38800 | 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 | 476 |
|---|---|
| Services billed | 26,515 across 24 procedure codes |
| Paid by Medicare | $490,736 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,212 · 8,697 30-day fills |
|---|---|
| Patients | 937 |
| Total drug cost | $1,544,372 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Allergy/Immunology |
Industry payments (Open Payments)
- 2025$110,420 · 252 payments from 29 companies
- 2024$155,828 · 298 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $59,385 | 78 |
| Ionis Pharmaceuticals, Inc. | $15,620 | 25 |
| Regeneron Healthcare Solutions, Inc. | $12,656 | 30 |
| Glaxosmithkline, LLC. | $10,516 | 19 |
| Pfizer Inc. | $4,158 | 9 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$95,693 · 44 payments
- Food and Beverage$6,989 · 176 payments
- Consulting Fee$4,615 · 4 payments
- Travel and Lodging$3,122 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Allergy & Immunology providers in Granada Hills
- 1245383009