David Lee Halsey, MD
NPI 1457319832ActiveIndividual· Internal Medicine· Jackson, MI
Internal Medicine (MD) in Jackson, Michigan, licensed in MI, with an NPI issued in May 2006. Their prescriptions cost Medicare Part D more than their services did: $4,565,384 for 13,974 claims, against $241,577 paid for services in 2024. Ascendis Pharma Endocrinology Inc was the largest of 10 companies reporting payments in 2025, $180.12 in all, mostly food and beverage.
Overview
| NPI | 1457319832 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Apr 29, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301049863 | MI |
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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 646 |
|---|---|
| Services billed | 13,737 across 32 procedure codes |
| Paid by Medicare | $241,577 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,974 · 35,162 30-day fills |
|---|---|
| Patients | 1,140 |
| Total drug cost | $4,565,384 |
| Generic share | 61% of claims |
Industry payments (Open Payments)
- 2025$180.12 · 10 payments from 10 companies
- 2024$706.53 · 40 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ascendis Pharma Endocrinology Inc | $22.08 | 1 |
| Tandem Diabetes Care, Inc. | $20.31 | 1 |
| Lilly USA, LLC | $19.66 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $18.78 | 1 |
| Corcept Therapeutics | $18.52 | 1 |
What the 2025 payments were for
- Food and Beverage$180.12 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 internal medicine physicians in Jackson · All internal medicine physicians in Michigan