Zachary M. Singsank, DO
NPI 1679872816ActiveIndividual· Internal Medicine, Interventional Cardiology· Lincoln, NE
Internal Medicine, Interventional Cardiology (DO) with Integrated Cardiology Group LLC, practicing in Lincoln, Nebraska. Their prescriptions cost Medicare Part D more than their services did: $370,743 for 3,716 claims, against $206,817 paid for services in 2024. Abbott Laboratories was the largest of 5 companies reporting payments in 2025, $136.51 in all, mostly food and beverage. Lists Bryan Medical Center and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1679872816 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Mar 26, 2011 |
| Last updated in NPPES | Jun 22, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 1833 | NE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (IA); Practitioner - Interventional Cardiology (KS); Practitioner - Interventional Cardiology (MO); Practitioner - Interventional Cardiology (NE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,077 |
|---|---|
| Services billed | 3,868 across 62 procedure codes |
| Paid by Medicare | $206,817 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,716 · 8,015 30-day fills |
|---|---|
| Patients | 474 |
| Total drug cost | $370,743 |
| Generic share | 89% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine |
Medical group
- Integrated Cardiology Group LLCLincoln, NE · 77 clinicians
Hospital affiliations
- Bryan Medical CenterLincoln, NE
- Clarinda Regional Health CenterClarinda, IA
- Community Hospital AssociationFairfax, MO
- Community Memorial Healthcare, Inc.Marysville, KS
- Crete Area Medical CenterCrete, NE
Other facilities
- Madonna Rehabilitation Hospital LincolnInpatient rehabilitation facility · Lincoln, NE
Industry payments (Open Payments)
- 2025$136.51 · 7 payments from 5 companies
- 2024$475.36 · 18 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $46.31 | 2 |
| Medtronic, Inc. | $32.23 | 1 |
| E.R. Squibb & Sons, L.L.C. | $28.59 | 2 |
| Stryker Corporation | $25.13 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $4.25 | 1 |
What the 2025 payments were for
- Food and Beverage$136.51 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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