Diane Davis Van Gerwen, MD
NPI 1003234642ActiveIndividual· Hospitalist· New Orleans, LA
Hospitalist (MD) in New Orleans, Louisiana, trained at University of Iowa, Rj & L Carver College of Medicine (class of 2014). Their prescriptions cost Medicare Part D more than their services did: $111,902 for 584 claims, against $28,645 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 2 companies reporting payments in 2025, $114.86 in all, mostly food and beverage.
Overview
| NPI | 1003234642 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2014 |
| Last updated in NPPES | Mar 22, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 305924 | LA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hospitalist (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 289 across 8 procedure codes |
| Paid by Medicare | $28,645 |
Part D prescriptions in 2024
| Prescriptions (claims) | 584 · 1,112 30-day fills |
|---|---|
| Patients | 200 |
| Total drug cost | $111,902 |
| Generic share | 74% of claims |
Education and affiliations
| Medical school | University of Iowa, Rj & L Carver College of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Hospitalist |
Medical group
- Belle Chasse Physician Services LLCSlidell, LA · 262 clinicians
Hospital affiliation
- Ochsner Medical Center AcuteNew Orleans, LA
Other facilities
- Ochsner Home Health of New OrleansHome health agency · Metairie, LA
Industry payments (Open Payments)
- 2025$114.86 · 2 payments from 2 companies
- 2024$251.83 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $94.72 | 1 |
| Alkermes, Inc. | $20.14 | 1 |
What the 2025 payments were for
- Food and Beverage$114.86 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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