Marin F. Xavier, MD
NPI 1437211372ActiveIndividual· Internal Medicine, Medical Oncology· San Diego, CA
Internal Medicine, Medical Oncology (MD) in San Diego, California, trained at Perelman School of Med at the University of Pennsylvania (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $8,912,225 for 1,190 claims, against $282,280 paid for services in 2024. Lilly USA, LLC was the largest of 48 companies reporting payments in 2025, $116,478 in all, mostly speaking and faculty fees.
Overview
| NPI | 1437211372 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 15, 2006 |
| Last updated in NPPES | Jan 2, 2020 |
| Certified by provider | Jan 2, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A84606 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | A84606 | 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 | 529 |
|---|---|
| Services billed | 6,475 across 53 procedure codes |
| Paid by Medicare | $282,280 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,190 · 1,637 30-day fills |
|---|---|
| Patients | 196 |
| Total drug cost | $8,912,225 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Hematology, Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Scripps HealthLa Jolla, CA · 1,433 clinicians
Hospital affiliations
- Scripps Green HospitalLa Jolla, CA
- Scripps Memorial Hospital - EncinitasEncinitas, CA
- Scripps Memorial Hospital la JollaLa Jolla, CA
- Scripps Mercy HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$116,478 · 253 payments from 48 companies
- 2024$111,260 · 237 payments from 45 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $32,074 | 23 |
| E.R. Squibb & Sons, L.L.C. | $15,151 | 10 |
| Abbvie Inc. | $15,146 | 35 |
| Glaxosmithkline, LLC. | $10,230 | 7 |
| Beone Medicines USA, Inc. | $9,252 | 6 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$67,892 · 24 payments
- Consulting Fee$40,498 · 22 payments
- Food and Beverage$5,693 · 195 payments
- Travel and Lodging$2,395 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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