Vincent Louie Ramos Mendiola, M.D.
NPI 1922534866ActiveIndividual· Internal Medicine, Hematology & Oncology· Santa Clarita, CA
Internal Medicine, Hematology & Oncology (M.D.) with City of Hope Medical Foundation, practicing in Santa Clarita, California. Their prescriptions cost Medicare Part D more than their services did: $1,611,816 for 723 claims, against $725,719 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 3 companies reporting payments in 2025, $130.85 in all, mostly education. Lists Adventist Health Simi Valley and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1922534866 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 11, 2017 |
| Last updated in NPPES | Jun 15, 2023 |
| Certified by provider | Jun 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A169794 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | BP10060876 | 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 | 307 |
|---|---|
| Services billed | 41,804 across 99 procedure codes |
| Paid by Medicare | $725,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 723 · 857 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $1,611,816 |
| Generic share | 63% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- City of Hope Medical FoundationDuarte, CA · 982 clinicians
Hospital affiliations
- Adventist Health Simi ValleySimi Valley, CA
- Henry Mayo Newhall HospitalValencia, CA
- Providence Holy Cross Medical CenterMission Hills, CA
- Ridgecrest Regional HospitalRidgecrest, CA
Industry payments (Open Payments)
- 2025$130.85 · 4 payments from 3 companies
- 2024$103.40 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $86.32 | 2 |
| Pfizer Inc. | $30.65 | 1 |
| Astellas Pharma US Inc | $13.88 | 1 |
What the 2025 payments were for
- Education$116.97 · 3 payments
- Food and Beverage$13.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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