Ling Yu, MD
NPI 1649480237ActiveIndividual· Internal Medicine, Nephrology· Dickson, TN
Internal Medicine, Nephrology (MD) with Nephrology Associates, PC, practicing in Dickson, Tennessee. 671 Medicare patients in 2024, $314,249 paid; nearly all of their 2,387 Part D prescriptions were generic (94%). Astrazeneca Pharmaceuticals LP was the largest of 5 companies reporting payments in 2025, $142.10 in all, mostly food and beverage. Lists Ascension Saint Thomas Three Rivers and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1649480237 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2007 |
| Last updated in NPPES | Oct 30, 2025 |
| Certified by provider | Oct 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 43968 | TN |
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 | 671 |
|---|---|
| Services billed | 3,503 across 47 procedure codes |
| Paid by Medicare | $314,249 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,387 · 4,998 30-day fills |
|---|---|
| Patients | 456 |
| Total drug cost | $89,146 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Nephrology |
Medical group
- Nephrology Associates, PCColumbia, TN · 41 clinicians
Hospital affiliations
- Ascension Saint Thomas Three RiversWaverly, TN
- Maury Regional HospitalColumbia, TN
- Tristar Horizon Medical CenterDickson, TN
- West Tennessee Healthcare Camden HospitalCamden, TN
- Williamson Medical CenterFranklin, TN
Other facilities
- Dci DicksonDialysis facility · Dickson, TN
- Dci WaverlyDialysis facility · Waverly, TN
Industry payments (Open Payments)
- 2025$142.10 · 7 payments from 5 companies
- 2024$89.41 · 8 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $49.60 | 2 |
| Novo Nordisk Inc | $48.82 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $22.62 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $19.40 | 1 |
| Travere Therapeutics, Inc. | $1.66 | 1 |
What the 2025 payments were for
- Food and Beverage$140.44 · 6 payments
- Education$1.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Nephrology providers in Dickson
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