John Wong, MD
NPI 1336436500ActiveIndividual· Internal Medicine, Hematology & Oncology· Orange, CA
Internal Medicine, Hematology & Oncology (MD) with Cancer and Blood Specialty Clinic, practicing in Orange, California. Their prescriptions cost Medicare Part D more than their services did: $2,091,932 for 486 claims, against $795,430 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 62 companies reporting payments in 2025, $8,223 in all, mostly food and beverage. Lists Loma Linda University Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1336436500 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2011 |
| Last updated in NPPES | Apr 9, 2024 |
| Certified by provider | Apr 9, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 122357 | 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 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 223 |
|---|---|
| Services billed | 32,857 across 63 procedure codes |
| Paid by Medicare | $795,430 |
Part D prescriptions in 2024
| Prescriptions (claims) | 486 · 776 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $2,091,932 |
| Generic share | 58% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Cancer and Blood Specialty ClinicLos Alamitos, CA · 18 clinicians
Hospital affiliations
- Loma Linda University Medical CenterLoma Linda, CA
- Memorialcare Orange Coast Medical CenterFountain Valley, CA
- Providence St. Joseph HospitalOrange, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$8,223 · 299 payments from 62 companies
- 2024$5,621 · 201 payments from 45 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,265 | 23 |
| Pfizer Inc. | $599.83 | 23 |
| Janssen Biotech, Inc. | $391.32 | 11 |
| Eisai Inc. | $371.99 | 14 |
| Astrazeneca Pharmaceuticals LP | $322.40 | 17 |
What the 2025 payments were for
- Food and Beverage$6,823 · 282 payments
- Long term medical supply or device loan$999.96 · 12 payments
- Education$400.91 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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