Dennis C. Zachary, MD
NPI 1679583363ActiveIndividual· Family Medicine· Norwalk, IA
Family Medicine (MD) in Norwalk, Iowa, trained at Mayo Medical School (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $662,964 for 5,746 claims, against $45,177 paid for services in 2024.
Overview
| NPI | 1679583363 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 8, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
| Certified by provider | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 26010 | IA |
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 - Family Practice (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 168 |
|---|---|
| Services billed | 1,053 across 56 procedure codes |
| Paid by Medicare | $45,177 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,746 · 11,867 30-day fills |
|---|---|
| Patients | 550 |
| Total drug cost | $662,964 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Mayo Medical School |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Family Practice |
Medical group
- Mercy Clinics IncClive, IA · 443 clinicians
Hospital affiliation
- Mercyone Des Moines Medical CenterDes Moines, IA
Other facilities
- Unitypoint at HomeHome health agency · Urbandale, IA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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