Molly Diaz, PA-C
NPI 1558500397ActiveIndividual· Internal Medicine, Medical Oncology· Duarte, CA
Internal Medicine, Medical Oncology (PA-C) with City of Hope Medical Foundation, practicing in Duarte, California. Their prescriptions cost Medicare Part D more than their services did: $976,677 for 284 claims, against $27,762 paid for services in 2024. Deciphera Pharmaceuticals Inc. was the largest of 3 companies reporting payments in 2025, $81.18 in all, mostly food and beverage.
Overview
| NPI | 1558500397 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Feb 18, 2009 |
| Last updated in NPPES | Dec 7, 2020 |
| Certified by provider | Dec 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | PA20108 | CA |
| Physician Assistant | 363A00000X | PA20108 | CA |
| Clinical Nurse Specialist, Oncology | 364SX0200X | PA20108 | 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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 280 across 10 procedure codes |
| Paid by Medicare | $27,762 |
Part D prescriptions in 2024
| Prescriptions (claims) | 284 · 347 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $976,677 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Industry payments (Open Payments)
- 2025$81.18 · 4 payments from 3 companies
- 2024$626.46 · 19 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Deciphera Pharmaceuticals Inc. | $46.96 | 2 |
| Abbvie Inc. | $20.50 | 1 |
| Genentech USA, Inc. | $13.72 | 1 |
What the 2025 payments were for
- Food and Beverage$81.18 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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