Sathiyendran Poobalasingham, MD
NPI 1639210222ActiveIndividual· Internal Medicine, Nephrology· Kingsport, TN
Internal Medicine, Nephrology (MD) with Blount Memorial Physician Group Inc and 1 other group, practicing in Kingsport, Tennessee. Their prescriptions cost Medicare Part D more than their services did: $413,888 for 2,031 claims, against $103,644 paid for services in 2024. Ardelyx, Inc. was the largest of 3 companies reporting payments in 2025, $42.63 in all, mostly food and beverage. Lists Blount Memorial Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1639210222 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 8, 2007 |
| Last updated in NPPES | Nov 21, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 01059186A | IN |
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 - Internal Medicine (TN); Practitioner - Nephrology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 463 |
|---|---|
| Services billed | 1,448 across 21 procedure codes |
| Paid by Medicare | $103,644 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,031 · 3,857 30-day fills |
|---|---|
| Patients | 358 |
| Total drug cost | $413,888 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Blount Memorial Physician Group IncAlcoa, TN · 252 clinicians
- Regional Kidney Care PCKingsport, TN · 8 clinicians
Hospital affiliations
- Blount Memorial HospitalMaryville, TN
- Buchanan General HospitalGrundy, VA
- Johnston Memorial HospitalAbingdon, VA
- Wellmont Bristol Regional Medical CenterBristol, TN
- Wellmont Holston Valley Medical CenterKingsport, TN
Other facilities
- Bma - Russell CountyDialysis facility · Lebanon, VA
- Fmc BristolDialysis facility · Bristol, TN
- Fmc Bristol Home TherapiesDialysis facility · Bristol, TN
Industry payments (Open Payments)
- 2025$42.63 · 3 payments from 3 companies
- 2024$364.57 · 19 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $21.80 | 1 |
| Fresenius USA Marketing, Inc. | $19.17 | 1 |
| Travere Therapeutics, Inc. | $1.66 | 1 |
What the 2025 payments were for
- Food and Beverage$40.97 · 2 payments
- Education$1.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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