Bryan M. Wong, MD
NPI 1407953755ActiveIndividual· Internal Medicine, Nephrology· Berkeley, CA
Internal Medicine, Nephrology (MD) with East Bay Nephrology Medical Group Inc, practicing in Berkeley, California. Their prescriptions cost Medicare Part D more than their services did: $700,255 for 2,298 claims, against $209,019 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 9 companies reporting payments in 2025, $575.39 in all, mostly food and beverage. Lists Alta Bates Summit Medical Center as a hospital affiliation.
Overview
| NPI | 1407953755 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 20, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | G45482 | 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 | 375 |
|---|---|
| Services billed | 1,591 across 22 procedure codes |
| Paid by Medicare | $209,019 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,298 · 5,184 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $700,255 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- East Bay Nephrology Medical Group IncSan Pablo, CA · 31 clinicians
Hospital affiliation
- Alta Bates Summit Medical CenterOakland, CA
Other facilities
- Davita Alameda County DialysisDialysis facility · Oakland, CA
- Davita Oakland Laurel Dialysis CenterDialysis facility · Oakland, CA
- Rai - Bancroft Ave - OaklandDialysis facility · Oakland, CA
Industry payments (Open Payments)
- 2025$575.39 · 17 payments from 9 companies
- 2024$4,770 · 27 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $238.81 | 2 |
| Novartis Pharmaceuticals Corporation | $82.38 | 3 |
| Travere Therapeutics, Inc. | $58.15 | 4 |
| Amgen Inc. | $55.22 | 2 |
| Fresenius USA Marketing, Inc. | $43.34 | 2 |
What the 2025 payments were for
- Food and Beverage$575.39 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 nephrologists in Berkeley · All nephrologists in California