Renu Regunathan-Shenk, MD
NPI 1457641888ActiveIndividual· Internal Medicine, Nephrology· Fairfax, VA
Internal Medicine, Nephrology (MD) with Virginia Nephrology Group LLP, practicing in Fairfax, Virginia. 409 Medicare patients in 2024, $91,510 paid; nearly all of their 308 Part D prescriptions were generic (91%). Calliditas Therapeutics US Inc. was the largest of 6 companies reporting payments in 2025, $498.81 in all, mostly food and beverage. Lists Inova Fair Oaks Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1457641888 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 19, 2011 |
| Last updated in NPPES | May 23, 2024 |
| Certified by provider | May 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 0101263061 | VA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (DC); Practitioner - Nephrology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 409 |
|---|---|
| Services billed | 1,194 across 17 procedure codes |
| Paid by Medicare | $91,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 308 · 709 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $28,417 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Virginia Nephrology Group LLPArlington, VA · 16 clinicians
Hospital affiliations
- Inova Fair Oaks HospitalFairfax, VA
- Inova Fairfax HospitalFalls Church, VA
- Uva Health Haymarket Medical CenterHaymarket, VA
- Virginia Hospital CenterArlington, VA
Industry payments (Open Payments)
- 2025$498.81 · 11 payments from 6 companies
- 2024$156.93 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $124.74 | 1 |
| Otsuka America Pharmaceutical, Inc. | $118.98 | 1 |
| Abbott Laboratories | $97.65 | 1 |
| Novo Nordisk Inc | $66.33 | 2 |
| Novartis Pharmaceuticals Corporation | $56.32 | 3 |
What the 2025 payments were for
- Food and Beverage$401.16 · 10 payments
- Education$97.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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