Hollace D. Chastain, MD
NPI 1013919422ActiveIndividual· Internal Medicine, Interventional Cardiology· Fort Wayne, IN
Internal Medicine, Interventional Cardiology (MD) in Fort Wayne, Indiana, trained at Indiana University School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $934,089 for 7,890 claims, against $87,494 paid for services in 2024. Shockwave Medical, Inc was the largest of 3 companies reporting payments in 2025, $197.09 in all, mostly food and beverage.
Overview
| NPI | 1013919422 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 15, 2005 |
| Last updated in NPPES | Jul 8, 2026 |
| Certified by provider | Jul 8, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 01039775A | IN |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 01039775A | IN |
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 - Interventional Cardiology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,198 |
|---|---|
| Services billed | 1,826 across 80 procedure codes |
| Paid by Medicare | $87,494 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,890 · 21,257 30-day fills |
|---|---|
| Patients | 1,221 |
| Total drug cost | $934,089 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Interventional Cardiology |
Medical group
- Parkview Health System IncFort Wayne, IN · 1,377 clinicians
Hospital affiliations
- Cameron HealthAngola, IN
- Parkview Huntington HospitalHuntington, IN
- Parkview Noble HospitalKendallville, IN
- Parkview Regional Medical CenterFort Wayne, IN
- Parkview Whitley HospitalColumbia City, IN
Industry payments (Open Payments)
- 2025$197.09 · 10 payments from 3 companies
- 2024$260.86 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Shockwave Medical, Inc | $152.19 | 7 |
| Surmodics, Inc. | $27.23 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $17.67 | 2 |
What the 2025 payments were for
- Food and Beverage$197.09 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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