Sharmeen Mahmood
NPI 1639603236ActiveIndividual· Internal Medicine, Hematology & Oncology· Newport Beach, CA
Internal Medicine, Hematology & Oncology in Newport Beach, California, trained at Michigan State University College of Osteopathic Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $621,380 for 667 claims, against $54,989 paid for services in 2024. Daiichi Sankyo Inc. was the largest of 3 companies reporting payments in 2025, $917.89 in all, mostly consulting fees.
Overview
| NPI | 1639603236 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Apr 20, 2017 |
| Last updated in NPPES | Jul 17, 2023 |
| Certified by provider | Jul 17, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 18454 | 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 199 |
|---|---|
| Services billed | 633 across 8 procedure codes |
| Paid by Medicare | $54,989 |
Part D prescriptions in 2024
| Prescriptions (claims) | 667 · 1,083 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $621,380 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Hoag ClinicNewport Beach, CA · 460 clinicians
Hospital affiliation
- Hoag Memorial Hospital PresbyterianNewport Beach, CA
Other facilities
- Hoag Home HealthHome health agency · Newport Beach, CA
Industry payments (Open Payments)
- 2025$917.89 · 4 payments from 3 companies
- 2024$612.18 · 11 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $799.72 | 2 |
| Aveo Pharmaceuticals, Inc. | $91.40 | 1 |
| Genentech USA, Inc. | $26.77 | 1 |
What the 2025 payments were for
- Consulting Fee$650.00 · 1 payment
- Food and Beverage$176.49 · 2 payments
- Education$91.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 hematologist-oncologists in Newport Beach · All hematologist-oncologists in California