Joseph Gabriel Birnbaum, MD
NPI 1669417788ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Toms River, NJ
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) in Toms River, New Jersey, trained at Hahnemann University College of Medicine (class of 1973). Their prescriptions cost Medicare Part D more than their services did: $4,453,529 for 11,025 claims, against $345,896 paid for services in 2024. Corcept Therapeutics was the largest of 23 companies reporting payments in 2025, $3,086 in all, mostly food and beverage.
Overview
| NPI | 1669417788 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 20, 2006 |
| Last updated in NPPES | Jun 16, 2021 |
| Certified by provider | Jun 16, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 25MA03866900 | NJ |
| Internal Medicine | 207R00000X | 25MA03866900 | NJ |
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 - Endocrinology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 984 |
|---|---|
| Services billed | 5,181 across 13 procedure codes |
| Paid by Medicare | $345,896 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,025 · 29,632 30-day fills |
|---|---|
| Patients | 1,141 |
| Total drug cost | $4,453,529 |
| Generic share | 57% of claims |
Education and affiliations
| Medical school | Hahnemann University College of Medicine |
|---|---|
| Graduation year | 1973 |
| Medicare specialty | Endocrinology |
| Secondary specialties | Internal Medicine |
Hospital affiliations
- Community Medical CenterToms River, NJ
- Jersey Shore University Medical CenterNeptune, NJ
- Monmouth Medical Center-Southern CampusLakewood, NJ
- Ocean Medical CenterBrick, NJ
- Southern Ocean Medical CenterManahawkin, NJ
Other facilities
- Visiting Nurse Association of Central Jersey Home Care and HospiceHome health agency · Toms River, NJ
Industry payments (Open Payments)
- 2025$3,086 · 153 payments from 23 companies
- 2024$2,235 · 141 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $458.49 | 29 |
| Lilly USA, LLC | $433.93 | 21 |
| Amneal Pharmaceuticals LLC | $391.54 | 20 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $351.68 | 9 |
| Novo Nordisk Inc | $343.57 | 17 |
What the 2025 payments were for
- Food and Beverage$3,043 · 152 payments
- Education$42.50 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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