Di Zhao, M.D
NPI 1922281617ActiveIndividual· Internal Medicine, Nephrology· Tacoma, WA
Internal Medicine, Nephrology (M.D) with Pacific Nephrology Associates Ps, practicing in Tacoma, Washington. In 2024 Medicare paid $176,201 for 491 patients, and Part D covered 1,644 of their prescriptions, 88% of them generic. Vantive US Healthcare LLC reported $149.88 in payments in 2025, mostly food and beverage. Lists St Anthony Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1922281617 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Dec 17, 2007 |
| Last updated in NPPES | Oct 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | MD60218136 | WA |
| Internal Medicine | 207R00000X | 0000000 | CT |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 491 |
|---|---|
| Services billed | 1,614 across 24 procedure codes |
| Paid by Medicare | $176,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,644 · 3,654 30-day fills |
|---|---|
| Patients | 230 |
| Total drug cost | $243,153 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Pacific Nephrology Associates PsFederal Way, WA · 6 clinicians
Hospital affiliations
- St Anthony HospitalGig Harbor, WA
- St Joseph Medical CenterTacoma, WA
- Tacoma General Allenmore HospitalTacoma, WA
Other facilities
- Davita Lakewood Community Dialysis CenterDialysis facility · Lakewood, WA
- Davita Parkland DialysisDialysis facility · Parkland, WA
- Davita Tacoma Dialysis CenterDialysis facility · Tacoma, WA
- Fresenius Kidney Care Mt RainierDialysis facility · Fircrest, WA
- Fresenius Kidney Care South TacomaDialysis facility · Tacoma, WA
Industry payments (Open Payments)
- 2025$149.88 · 1 payment from 1 company
- 2024$36.63 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vantive US Healthcare LLC | $149.88 | 1 |
What the 2025 payments were for
- Food and Beverage$149.88 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 nephrologists in Tacoma · All nephrologists in Washington