Andrea Lewis, CNS
NPI 1568607133ActiveIndividual· Nurse Practitioner· Valparaiso, IN
Nurse Practitioner (CNS) with Nephrology Associates of Northern Indiana PC, practicing in Valparaiso, Indiana. Their prescriptions cost Medicare Part D more than their services did: $353,047 for 764 claims, against $17,987 paid for services in 2024. Ardelyx, Inc. was the largest of 7 companies reporting payments in 2025, $469.14 in all, mostly food and beverage. Lists St Mary Medical Center Inc as a hospital affiliation.
Overview
| NPI | 1568607133 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNS |
| Sole proprietor | No |
| NPI issued | Dec 10, 2008 |
| Last updated in NPPES | Jun 1, 2022 |
| Certified by provider | Jun 1, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 71002853A | 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 - Certified Clinical Nurse Specialist (Cns) (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 55 |
|---|---|
| Services billed | 107 across 8 procedure codes |
| Paid by Medicare | $17,987 |
Part D prescriptions in 2024
| Prescriptions (claims) | 764 · 1,291 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $353,047 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Certified Clinical Nurse Specialist (Cns) |
Medical group
- Nephrology Associates of Northern Indiana PCVan Wert, OH · 65 clinicians
Hospital affiliation
- St Mary Medical Center IncHobart, IN
Industry payments (Open Payments)
- 2025$469.14 · 20 payments from 7 companies
- 2024$690.60 · 23 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $186.78 | 8 |
| Akebia Therapeutics Inc | $96.52 | 1 |
| Fresenius USA Marketing, Inc. | $69.03 | 3 |
| Otsuka America Pharmaceutical, Inc. | $43.33 | 2 |
| Travere Therapeutics, Inc. | $29.90 | 4 |
What the 2025 payments were for
- Food and Beverage$469.14 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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