Amanpreet Buttar, MD
NPI 1962679753ActiveIndividual· Internal Medicine, Hematology & Oncology· Dublin, CA
Internal Medicine, Hematology & Oncology (MD) in Dublin, California, trained at College of Medicine and Surgery (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $1,482,696 for 517 claims, against $32,950 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $245.76 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1962679753 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 12, 2008 |
| Last updated in NPPES | Apr 18, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A116791 | CA |
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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 303 |
|---|---|
| Services billed | 508 across 15 procedure codes |
| Paid by Medicare | $32,950 |
Part D prescriptions in 2024
| Prescriptions (claims) | 517 · 710 30-day fills |
|---|---|
| Patients | 88 |
| Total drug cost | $1,482,696 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | College of Medicine and Surgery |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- County of Santa ClaraSan Jose, CA · 1,022 clinicians
Hospital affiliations
- Santa Clara Valley Medical CenterSan Jose, CA
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$245.76 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $245.76 | 2 |
What the 2025 payments were for
- Food and Beverage$245.76 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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