Swarna Sundari Chanduri, MD
NPI 1629050489ActiveIndividual· Internal Medicine, Hematology & Oncology· Pomona, CA
Internal Medicine, Hematology & Oncology (MD) with Inland Valley Hematology Oncology Associates A Professional Medical, practicing in Pomona, California. Their prescriptions cost Medicare Part D more than their services did: $2,877,826 for 926 claims, against $36,063 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 17 companies reporting payments in 2025, $3,842 in all, mostly consulting fees. Lists Pomona Valley Hospital Medical Center as a hospital affiliation.
Overview
| NPI | 1629050489 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 17, 2005 |
| Last updated in NPPES | Oct 5, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A41753 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 129 |
|---|---|
| Services billed | 472 across 8 procedure codes |
| Paid by Medicare | $36,063 |
Part D prescriptions in 2024
| Prescriptions (claims) | 926 · 1,332 30-day fills |
|---|---|
| Patients | 159 |
| Total drug cost | $2,877,826 |
| Generic share | 77% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hematology/Oncology, Hospice/Palliative Care |
Medical group
- Inland Valley Hematology Oncology Associates A Professional MedicalPomona, CA · 3 clinicians
Hospital affiliation
- Pomona Valley Hospital Medical CenterPomona, CA
Industry payments (Open Payments)
- 2025$3,842 · 60 payments from 17 companies
- 2024$2,073 · 59 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $2,137 | 2 |
| Novartis Pharmaceuticals Corporation | $854.71 | 19 |
| Astrazeneca Pharmaceuticals LP | $199.34 | 14 |
| Pfizer Inc. | $162.92 | 8 |
| Incyte Corporation | $99.95 | 1 |
What the 2025 payments were for
- Consulting Fee$2,100 · 1 payment
- Food and Beverage$865.66 · 48 payments
- Long term medical supply or device loan$749.97 · 9 payments
- Education$126.28 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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