Mary Cianfrocca, DO
NPI 1821050550ActiveIndividual· Internal Medicine, Hematology & Oncology· Duarte, CA
Internal Medicine, Hematology & Oncology (DO) with City of Hope Medical Foundation, practicing in Duarte, California. Their prescriptions cost Medicare Part D more than their services did: $601,557 for 91 claims, against $10,022 paid for services in 2024. Genentech, Inc. reported $9,888 in payments in 2025, mostly consulting fees.
Overview
| NPI | 1821050550 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Apr 6, 2006 |
| Last updated in NPPES | Mar 23, 2022 |
| Certified by provider | Mar 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 20A18005 | CA |
| Internal Medicine, Medical Oncology | 207RX0202X | 005743 | AZ |
| Internal Medicine, Medical Oncology | 207RX0202X | 20A18005 | CA |
| Internal Medicine, Medical Oncology | 207RX0202X | 036086852 | IL |
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 - Medical Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 98 across 7 procedure codes |
| Paid by Medicare | $10,022 |
Part D prescriptions in 2024
| Prescriptions (claims) | 91 · 165 30-day fills |
|---|---|
| Patients | 17 |
| Total drug cost | $601,557 |
| Generic share | 65% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2025$9,888 · 3 payments from 1 company
- 2024$8,682 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $9,888 | 3 |
What the 2025 payments were for
- Consulting Fee$9,888 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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