Stacy Zwick Ker, DO
NPI 1841404217ActiveIndividual· Internal Medicine, Nephrology· Livonia, MI
Internal Medicine, Nephrology (DO) in Livonia, Michigan, trained at Ohio University, College of Osteopathic Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $438,621 for 1,411 claims, against $191,174 paid for services in 2024. Akebia Therapeutics Inc was the largest of 5 companies reporting payments in 2025, $147.60 in all, mostly food and beverage.
Overview
| NPI | 1841404217 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 9, 2007 |
| Last updated in NPPES | Sep 9, 2022 |
| Certified by provider | Sep 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 5101016934 | MI |
| Internal Medicine | 207R00000X | 5101016934 | MI |
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 - Nephrology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 254 |
|---|---|
| Services billed | 1,306 across 44 procedure codes |
| Paid by Medicare | $191,174 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,411 · 2,482 30-day fills |
|---|---|
| Patients | 188 |
| Total drug cost | $438,621 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical groups
- Hypertension Nephrology Associates PCLivonia, MI · 13 clinicians
- Riverview Lifeline Center PLLCDetroit, MI · 4 clinicians
Hospital affiliations
- Beaumont Hospital - DearbornDearborn, MI
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Henry Ford Health St John HospitalDetroit, MI
- Henry Ford Health Warren HospitalWarren, MI
Other facilities
- Fmc - St Clair ShoresDialysis facility · Harper Woods, MI
- Fmc Dialysis - East DetroitDialysis facility · Detroit, MI
- Fresenius Kidney Care DearbornDialysis facility · Dearborn, MI
Industry payments (Open Payments)
- 2025$147.60 · 8 payments from 5 companies
- 2024$394.05 · 22 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Akebia Therapeutics Inc | $38.81 | 2 |
| Opko Pharmaceuticals, LLC | $33.04 | 2 |
| Ardelyx, Inc. | $33.02 | 2 |
| Astrazeneca Pharmaceuticals LP | $23.40 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $19.33 | 1 |
What the 2025 payments were for
- Food and Beverage$114.56 · 6 payments
- Education$33.04 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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