Matthew Tjahja
NPI 1467088450ActiveIndividual· Hospitalist· Knoxville, TN
Hospitalist in Knoxville, Tennessee, trained at Texas A & M University System, Hsc, College of Medicine (class of 2020). In 2024 Medicare paid $10,433 for 74 patients, and Part D covered 119 of their prescriptions, 87% of them generic. Astrazeneca Pharmaceuticals LP was the largest of 4 companies reporting payments in 2025, $255.40 in all, mostly food and beverage.
Overview
| NPI | 1467088450 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 21, 2020 |
| Last updated in NPPES | Aug 28, 2026 |
| Certified by provider | Aug 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 74198 | TN |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Internal Medicine | 207R00000X | U2338 | TX |
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 - Internal Medicine (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 74 |
|---|---|
| Services billed | 142 across 13 procedure codes |
| Paid by Medicare | $10,433 |
Part D prescriptions in 2024
| Prescriptions (claims) | 119 · 219 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $12,658 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Texas A & M University System, Hsc, College of Medicine |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Internal Medicine |
Medical groups
- University Health System, Inc.Knoxville, TN · 522 clinicians
- Statcare Inpatient LLCKnoxville, TN · 109 clinicians
Hospital affiliations
- Fort Loudoun Medical CenterLenoir City, TN
- Parkwest Medical CenterKnoxville, TN
- University Health SystemSan Antonio, TX
- University Health System, IncKnoxville, TN
Other facilities
- Covenant HomecareHome health agency · Knoxville, TN
Industry payments (Open Payments)
- 2025$255.40 · 9 payments from 4 companies
- 2024$493.96 · 31 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $121.83 | 1 |
| Gilead Sciences, Inc. | $83.17 | 5 |
| Ipsen Biopharmaceuticals, Inc | $36.80 | 2 |
| Madrigal Pharmaceuticals | $13.60 | 1 |
What the 2025 payments were for
- Food and Beverage$255.40 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 77 hospitalists in Knoxville · All hospitalists in Tennessee