Xinyu Nan, M.D.
NPI 1326458175ActiveIndividual· Internal Medicine, Hematology & Oncology· Orange, CA
Internal Medicine, Hematology & Oncology (M.D.) with Providence Medical Foundation, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $3,287,483 for 1,463 claims, against $97,333 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 53 companies reporting payments in 2025, $8,451 in all, mostly food and beverage. Lists Providence St. Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1326458175 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 2, 2014 |
| Last updated in NPPES | Aug 17, 2020 |
| Certified by provider | Aug 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A148056 | 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 214 |
|---|---|
| Services billed | 1,410 across 34 procedure codes |
| Paid by Medicare | $97,333 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,463 · 2,024 30-day fills |
|---|---|
| Patients | 245 |
| Total drug cost | $3,287,483 |
| Generic share | 70% of claims |
Education and affiliations
| Graduation year | 2014 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Providence Medical FoundationVictorville, CA · 1,466 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2025$8,451 · 377 payments from 53 companies
- 2024$6,990 · 306 payments from 53 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,247 | 24 |
| Astrazeneca Pharmaceuticals LP | $689.74 | 30 |
| Pfizer Inc. | $449.35 | 22 |
| Incyte Corporation | $374.63 | 27 |
| Janssen Biotech, Inc. | $335.32 | 16 |
What the 2025 payments were for
- Food and Beverage$7,395 · 363 payments
- Long term medical supply or device loan$999.96 · 12 payments
- Education$55.82 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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