Stefan T. Tachev, M.D.
NPI 1295778108ActiveIndividual· Internal Medicine, Nephrology· Exton, PA
Internal Medicine, Nephrology (M.D.) with Clinical Renal Associates LLC, practicing in Exton, Pennsylvania. In 2024 Medicare paid $225,265 for 722 patients, and Part D covered 886 of their prescriptions, 74% of them generic. Novartis Pharmaceuticals Corporation was the largest of 16 companies reporting payments in 2025, $1,043 in all, mostly food and beverage. Lists Bryn Mawr Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1295778108 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Nov 3, 2022 |
| Certified by provider | Nov 3, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD420924 | PA |
| Specialist | 174400000X | MD420924 | PA |
| Specialist | 174400000X | 25MA07674900 | NJ |
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 (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 722 |
|---|---|
| Services billed | 2,994 across 28 procedure codes |
| Paid by Medicare | $225,265 |
Part D prescriptions in 2024
| Prescriptions (claims) | 886 · 2,127 30-day fills |
|---|---|
| Patients | 185 |
| Total drug cost | $237,486 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1995 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Clinical Renal Associates LLCPhiladelphia, PA · 33 clinicians
Hospital affiliations
- Bryn Mawr HospitalBryn Mawr, PA
- Chester County HospitalWest Chester, PA
- Hospital of Univ of PennsylvaniaPhiladelphia, PA
- Main Line Hospital LankenauWynnewood, PA
- Paoli HospitalPaoli, PA
Other facilities
- Davita Jennersville Dialysis CenterDialysis facility · West Grove, PA
Industry payments (Open Payments)
- 2025$1,043 · 37 payments from 16 companies
- 2024$709.68 · 24 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $143.69 | 5 |
| Mallinckrodt Hospital Products Inc. | $125.64 | 3 |
| Travere Therapeutics, Inc. | $124.40 | 1 |
| Ardelyx, Inc. | $91.11 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $82.08 | 4 |
What the 2025 payments were for
- Food and Beverage$978.56 · 36 payments
- Education$63.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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