Clifford Wong, MD
NPI 1780621706ActiveIndividual· Internal Medicine, Nephrology· Hayward, CA
Internal Medicine, Nephrology (MD) in Hayward, California, trained at University of California, San Diego School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $764,620 for 1,555 claims, against $279,156 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 18 companies reporting payments in 2025, $1,305 in all, mostly food and beverage.
Overview
| NPI | 1780621706 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 31, 2006 |
| Last updated in NPPES | Nov 28, 2022 |
| Certified by provider | Nov 28, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A68265 | 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 - Nephrology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 456 |
|---|---|
| Services billed | 2,237 across 25 procedure codes |
| Paid by Medicare | $279,156 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,555 · 3,791 30-day fills |
|---|---|
| Patients | 207 |
| Total drug cost | $764,620 |
| Generic share | 70% of claims |
Education and affiliations
| Medical school | University of California, San Diego School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- West Coast KidneyDaly City, CA · 56 clinicians
Hospital affiliations
- Highland HospitalOakland, CA
- St Rose HospitalHayward, CA
- Washington HospitalFremont, CA
Other facilities
- Davita Fremont at Home PdDialysis facility · Fremont, CA
- Davita Hayward Mission Hills DialysisDialysis facility · Hayward, CA
Industry payments (Open Payments)
- 2025$1,305 · 51 payments from 18 companies
- 2024$974.98 · 52 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $198.57 | 9 |
| Bayer Healthcare Pharmaceuticals Inc. | $139.24 | 6 |
| Akebia Therapeutics Inc | $124.67 | 1 |
| Lilly USA, LLC | $116.52 | 4 |
| Amgen Inc. | $106.44 | 4 |
What the 2025 payments were for
- Food and Beverage$1,267 · 49 payments
- Education$38.70 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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