Aung Bajaj, M.D
NPI 1598177255ActiveIndividual· Internal Medicine, Hematology & Oncology· Tucson, AZ
Internal Medicine, Hematology & Oncology (M.D) with Tmc Medical Network and 1 other group, practicing in Tucson, Arizona. Their prescriptions cost Medicare Part D more than their services did: $4,678,008 for 1,456 claims, against $2,804,516 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 21 companies reporting payments in 2025, $1,929 in all, mostly food and beverage. Lists Benson Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1598177255 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | May 28, 2014 |
| Last updated in NPPES | May 12, 2025 |
| Certified by provider | May 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 53908 | AZ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 626 |
|---|---|
| Services billed | 200,878 across 142 procedure codes |
| Paid by Medicare | $2,804,516 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,456 · 2,101 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $4,678,008 |
| Generic share | 69% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Tmc Medical NetworkTucson, AZ · 281 clinicians
- TmconeGreen Valley, AZ · 96 clinicians
Hospital affiliations
- Benson HospitalBenson, AZ
- St Joseph's HospitalTucson, AZ
- Tucson Medical CenterTucson, AZ
Industry payments (Open Payments)
- 2025$1,929 · 77 payments from 21 companies
- 2024$4,390 · 153 payments from 41 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $268.21 | 12 |
| Celgene Corporation | $176.10 | 10 |
| Pfizer Inc. | $144.05 | 8 |
| Astrazeneca Pharmaceuticals LP | $142.64 | 4 |
| Janssen Biotech, Inc. | $141.38 | 4 |
What the 2025 payments were for
- Food and Beverage$1,678 · 74 payments
- Education$251.49 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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