Maheswari Senthil, M.D.
NPI 1578721239ActiveIndividual· Surgery, Surgical Oncology· Duarte, CA
Surgery, Surgical Oncology (M.D.) with University Surgeons of Orange A Medical Group, practicing in Duarte, California. 38 Medicare patients in 2024, $35,211 paid; nearly all of their 57 Part D prescriptions were generic (95%). Ge Healthcare was the largest of 4 companies reporting payments in 2025, $28,678 in all, mostly consulting fees. Lists Uci Health-Orange as a hospital affiliation.
Overview
| NPI | 1578721239 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 29, 2008 |
| Last updated in NPPES | May 29, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery, Surgical Oncology Primary | 2086X0206X | A104024 | CA |
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 - Surgical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 38 |
|---|---|
| Services billed | 111 across 33 procedure codes |
| Paid by Medicare | $35,211 |
Part D prescriptions in 2024
| Prescriptions (claims) | 57 · 63 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $1,778 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Surgical Oncology |
| Telehealth | Offers telehealth |
Medical group
- University Surgeons of Orange A Medical GroupOrange, CA · 116 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$28,678 · 19 payments from 4 companies
- 2024$3,445 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ge Healthcare | $18,886 | 14 |
| On Target Laboratories, Inc | $8,629 | 3 |
| Astrazeneca Pharmaceuticals LP | $1,074 | 1 |
| Siemens Medical Solutions USA, Inc. | $89.25 | 1 |
What the 2025 payments were for
- Consulting Fee$11,616 · 4 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$11,526 · 4 payments
- Travel and Lodging$5,345 · 9 payments
- Food and Beverage$191.25 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 27 Surgery, Surgical Oncology providers in Duarte · All Surgery, Surgical Oncology providers in California