Ritu Khanna, MD 47959
NPI 1619139383ActiveIndividual· Internal Medicine, Nephrology· Knoxville, TN
Internal Medicine, Nephrology (MD 47959) with Nephrology Associates of Knoxville PC, practicing in Knoxville, Tennessee. In 2024 Medicare paid $189,488 for 537 patients, and Part D covered 1,797 of their prescriptions, 88% of them generic. Calliditas Therapeutics US Inc. was the largest of 15 companies reporting payments in 2025, $5,601 in all, mostly consulting fees. Lists Blount Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1619139383 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD 47959 |
| Sole proprietor | No |
| NPI issued | Jun 25, 2008 |
| Last updated in NPPES | Mar 7, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD47959 | TN |
| Internal Medicine | 207R00000X | 036121098 | IL |
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 (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 537 |
|---|---|
| Services billed | 2,332 across 26 procedure codes |
| Paid by Medicare | $189,488 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,797 · 4,201 30-day fills |
|---|---|
| Patients | 386 |
| Total drug cost | $215,975 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Nephrology Associates of Knoxville PCKnoxville, TN · 9 clinicians
Hospital affiliations
- Blount Memorial HospitalMaryville, TN
- Leconte Medical CenterSevierville, TN
- Roane Medical CenterHarriman, TN
- Starr Regional Medical Center AthensAthens, TN
- University Health System, IncKnoxville, TN
Other facilities
- Dci Holston River ClinicDialysis facility · Knoxville, TN
- Dci KnoxvilleDialysis facility · Knoxville, TN
- Dci MaryvilleDialysis facility · Maryville, TN
- Dci SeviervilleDialysis facility · Sevierville, TN
- Davita Campbell Station DialysisDialysis facility · Farragut, TN
- Knoxville Rehabilitation HospitalInpatient rehabilitation facility · Knoxville, TN
Industry payments (Open Payments)
- 2025$5,601 · 73 payments from 15 companies
- 2024$1,625 · 84 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $4,202 | 7 |
| Amgen Inc. | $335.87 | 18 |
| Fresenius USA Marketing, Inc. | $185.67 | 10 |
| Travere Therapeutics, Inc. | $161.18 | 8 |
| Akebia Therapeutics Inc | $152.50 | 8 |
What the 2025 payments were for
- Consulting Fee$4,050 · 1 payment
- Food and Beverage$1,531 · 71 payments
- Education$19.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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