Jonathan Bui, MD
NPI 1780115964ActiveIndividual· Internal Medicine· Waterloo, IA
Internal Medicine (MD) with Covenant Medical Center Inc, practicing in Waterloo, Iowa. Their prescriptions cost Medicare Part D more than their services did: $1,181,279 for 11,506 claims, against $50,735 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 13 companies reporting payments in 2025, $566.88 in all, mostly food and beverage. Lists Allen Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1780115964 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 21, 2017 |
| Last updated in NPPES | Apr 8, 2021 |
| Certified by provider | Apr 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD-48442 | IA |
| Internal Medicine | 207R00000X | MED-RES-LIC-58298 | MT |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 241 |
|---|---|
| Services billed | 925 across 16 procedure codes |
| Paid by Medicare | $50,735 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11,506 · 19,771 30-day fills |
|---|---|
| Patients | 806 |
| Total drug cost | $1,181,279 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Covenant Medical Center IncWaterloo, IA · 235 clinicians
Hospital affiliations
- Allen HospitalWaterloo, IA
- Mercyone Waterloo Medical CenterWaterloo, IA
- Sartori Memorial Hospital, IncCedar Falls, IA
Other facilities
- Centerwell Home HealthHome health agency · Hiawatha, IA
- Cedar Valley HospiceHospice · Waterloo, IA
Industry payments (Open Payments)
- 2025$566.88 · 26 payments from 13 companies
- 2024$454.26 · 20 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $150.06 | 7 |
| Axsome Therapeutics, Inc. | $95.25 | 1 |
| Pfizer Inc. | $61.04 | 3 |
| Genzyme Corporation | $42.36 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $39.17 | 3 |
What the 2025 payments were for
- Food and Beverage$566.88 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 41 internal medicine physicians in Waterloo · All internal medicine physicians in Iowa