Kai Zu, M.D.
NPI 1164583639ActiveIndividual· Internal Medicine, Hematology & Oncology· La Mesa, CA
Internal Medicine, Hematology & Oncology (M.D.) with Cancer Center Oncology Medical Group Inc - East County, practicing in La Mesa, California. In 2024 Medicare paid $5,536,060 for 579 patients, and Part D covered 1,499 of their prescriptions, 67% of them generic. Daiichi Sankyo Inc. was the largest of 34 companies reporting payments in 2025, $2,344 in all, mostly food and beverage. Lists Grossmont Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1164583639 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 12, 2006 |
| Last updated in NPPES | Aug 13, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | A74842 | 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 | 579 |
|---|---|
| Services billed | 320,547 across 107 procedure codes |
| Paid by Medicare | $5,536,060 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,499 · 1,839 30-day fills |
|---|---|
| Patients | 204 |
| Total drug cost | $6,845,043 |
| Generic share | 67% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Hematology/Oncology |
Medical group
- Cancer Center Oncology Medical Group Inc - East CountyLa Mesa, CA · 4 clinicians
Hospital affiliations
- Grossmont HospitalLa Mesa, CA
- Sharp Chula Vista Medical CenterChula Vista, CA
- Sharp Coronado Hospital and Hlthcr CtrCoronado, CA
- Sharp Memorial HospitalSan Diego, CA
Industry payments (Open Payments)
- 2025$2,344 · 70 payments from 34 companies
- 2024$3,291 · 49 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Daiichi Sankyo Inc. | $650.00 | 1 |
| Celgene Corporation | $220.65 | 10 |
| Pfizer Inc. | $150.27 | 8 |
| Novartis Pharmaceuticals Corporation | $101.61 | 4 |
| Beone Medicines USA, Inc. | $99.52 | 3 |
What the 2025 payments were for
- Food and Beverage$1,678 · 68 payments
- Consulting Fee$650.00 · 1 payment
- Education$15.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other hematologist-oncologists in La Mesa
- 1134280605
- 1154618593
- 1629286505
- 1588674741