Loganathan Elangovan, MD
NPI 1477572881ActiveIndividual· Internal Medicine, Nephrology· Waukesha, WI
Internal Medicine, Nephrology (MD) with Nephrology Associates SC, practicing in Waukesha, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $1,126,198 for 6,978 claims, against $573,712 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 10 companies reporting payments in 2025, $928.08 in all, mostly food and beverage. Lists Aspirus Wausau Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1477572881 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 18, 2006 |
| Last updated in NPPES | Dec 22, 2020 |
| Certified by provider | Dec 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 40898-020 | WI |
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 - Nephrology (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,150 |
|---|---|
| Services billed | 26,135 across 26 procedure codes |
| Paid by Medicare | $573,712 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,978 · 15,221 30-day fills |
|---|---|
| Patients | 1,033 |
| Total drug cost | $1,126,198 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1992 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Nephrology Associates SCWaukesha, WI · 8 clinicians
Hospital affiliations
- Aspirus Wausau HospitalWausau, WI
- Fort Memorial HospitalFort Atkinson, WI
- Oconomowoc Memorial HospitalOconomowoc, WI
- Watertown Memorial HospitalWatertown, WI
- Waukesha Memorial HospitalWaukesha, WI
Other facilities
- Davita Fort Atkinson DialysisDialysis facility · Fort Atkinson, WI
- Davita Janesville DialysisDialysis facility · Janesville, WI
- Davita Spring City DialysisDialysis facility · Waukesha, WI
- Fresenius Medical Care Midwest WaukeshaDialysis facility · Waukesha, WI
- Pam Health Rehabilitation Hospital of WausauInpatient rehabilitation facility · Wausau, WI
Industry payments (Open Payments)
- 2025$928.08 · 27 payments from 10 companies
- 2024$794.49 · 16 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $292.92 | 9 |
| Amgen Inc. | $284.31 | 5 |
| Glaxosmithkline, LLC. | $126.00 | 1 |
| Opko Pharmaceuticals, LLC | $49.19 | 3 |
| Travere Therapeutics, Inc. | $49.13 | 4 |
What the 2025 payments were for
- Food and Beverage$878.89 · 24 payments
- Education$49.19 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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