Ralph W. Stafford Jr., MD
NPI 1972596013ActiveIndividual· Internal Medicine, Nephrology· Chattanooga, TN
Internal Medicine, Nephrology (MD) with Yium, Shenouda and Miller Ptrshp, practicing in Chattanooga, Tennessee. 691 Medicare patients in 2024, $336,631 paid; nearly all of their 934 Part D prescriptions were generic (92%). Otsuka America Pharmaceutical, Inc. was the largest of 6 companies reporting payments in 2025, $271.81 in all, mostly food and beverage. Lists Affiliate of Vitruvian Health and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1972596013 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 24, 2005 |
| Last updated in NPPES | May 28, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 36772 | TN |
| Internal Medicine, Nephrology | 207RN0300X | 058510 | GA |
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 (GA); Practitioner - Internal Medicine (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 691 |
|---|---|
| Services billed | 10,848 across 54 procedure codes |
| Paid by Medicare | $336,631 |
Part D prescriptions in 2024
| Prescriptions (claims) | 934 · 2,338 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $55,910 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Yium, Shenouda and Miller PtrshpChattanooga, TN · 51 clinicians
Hospital affiliations
- Affiliate of Vitruvian HealthCleveland, TN
- Erlanger Medical CenterChattanooga, TN
- Memorial Healthcare System, IncChattanooga, TN
- Parkridge Medical CenterChattanooga, TN
Other facilities
- Dci Chattanooga 3rd StDialysis facility · Chattanooga, TN
- Dci LyerlyDialysis facility · Chattanooga, TN
Industry payments (Open Payments)
- 2025$271.81 · 13 payments from 6 companies
- 2024$156.69 · 8 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $73.87 | 4 |
| Mallinckrodt Hospital Products Inc. | $49.19 | 2 |
| Travere Therapeutics, Inc. | $45.98 | 2 |
| Novartis Pharmaceuticals Corporation | $43.90 | 2 |
| Astrazeneca Pharmaceuticals LP | $33.87 | 2 |
What the 2025 payments were for
- Food and Beverage$271.81 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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