Aung Bajaj, M.D
NPI 1598177255 · Hematology & Oncology Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aung Bajaj, M.D is a Hematology & Oncology Physician provider in Tucson, AZ (NPI 1598177255).
Provider details
- NPI number
- 1598177255
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- 53908 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,760 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 516 | $172 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 496 | $15 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 334 | $14 |
| Enhancing Oncology Model (eom) Monthly Enhanced Oncology Services (meos) Payment for Eom Enhanced ServicesM0010 | 283 | $69 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 275 | $123 |
| Collection of Blood Sample From Implanted Device36591 | 176 | $26 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acyclovir | 121 | 33 |
| Prednisone | 79 | 32 |
| Ruxolitinib Phosphatebrand: Jakafi | 77 | — |
| Ondansetron Hcl | 45 | 38 |
| Axitinibbrand: Inlyta | 38 | — |
| Apixabanbrand: Eliquis | 38 | 13 |
| Pomalidomidebrand: Pomalyst | 36 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$4,390 across 153 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-05-28
- Last updated
- 2025-05-12
- Certified
- 2025-05-12
Frequently asked questions
- What is Aung Bajaj's NPI number?
- Aung Bajaj's National Provider Identifier (NPI) is 1598177255, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aung Bajaj's specialty?
- Aung Bajaj is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Aung Bajaj located?
- Aung Bajaj's practice location on file with NPPES is 603 N Wilmot Rd Ste 151, Tucson, AZ 85711-2701.
- What is Aung Bajaj's phone number?
- The practice phone number listed in the NPPES registry for Aung Bajaj is (520) 420-2560.
- Does Aung Bajaj accept Medicare?
- Aung Bajaj is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aung Bajaj's NPI active?
- Yes — Aung Bajaj's NPI (1598177255) is active in the NPPES registry as of the last update on 2025-05-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.