Debra A. Zack, DO
NPI 1750362901ActiveIndividual· Family Medicine· Michigan City, IN
Family Medicine (DO) with Healthlinc Inc, practicing in Michigan City, Indiana. Their prescriptions cost Medicare Part D more than their services did: $273,964 for 2,227 claims, against $828.81 paid for services in 2024. Kowa Pharmaceuticals America, Inc. was the largest of 6 companies reporting payments in 2025, $264.43 in all, mostly food and beverage. Lists Franciscan Health Michigan City as a hospital affiliation.
Overview
| NPI | 1750362901 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Nov 7, 2005 |
| Last updated in NPPES | Mar 12, 2024 |
| Certified by provider | Mar 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 02001389A | IN |
| Family Medicine | 207Q00000X | 02001389 | IN |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 85 across 10 procedure codes |
| Paid by Medicare | $828.81 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,227 · 4,376 30-day fills |
|---|---|
| Patients | 158 |
| Total drug cost | $273,964 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Family Practice |
Medical group
- Healthlinc IncValparaiso, IN · 84 clinicians
Hospital affiliation
- Franciscan Health Michigan CityMichigan City, IN
Other facilities
- Franciscan Home CareHome health agency · Hobart, IN
Industry payments (Open Payments)
- 2025$264.43 · 10 payments from 6 companies
- 2024$100.04 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kowa Pharmaceuticals America, Inc. | $121.14 | 1 |
| Otsuka America Pharmaceutical, Inc. | $39.13 | 2 |
| Abbvie Inc. | $38.33 | 2 |
| Corium, LLC | $24.96 | 3 |
| Glaxosmithkline, LLC. | $20.88 | 1 |
What the 2025 payments were for
- Food and Beverage$264.43 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 family medicine physicians in Michigan City · All family medicine physicians in Indiana