Tian Yi Zhang, MD
NPI 1760771737ActiveIndividual· Internal Medicine, Hematology· Stanford, CA
Internal Medicine, Hematology (MD) in Stanford, California, trained at University of Utah School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $709,465 for 139 claims, against $59,723 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $76.69 in all, mostly food and beverage.
Overview
| NPI | 1760771737 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2011 |
| Last updated in NPPES | Apr 12, 2024 |
| Certified by provider | Apr 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | A130597 | CA |
| Internal Medicine | 207R00000X | A130597 | 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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 139 |
|---|---|
| Services billed | 535 across 13 procedure codes |
| Paid by Medicare | $59,723 |
Part D prescriptions in 2024
| Prescriptions (claims) | 139 · 145 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $709,465 |
| Generic share | 43% of claims |
Education and affiliations
| Medical school | University of Utah School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Hematology |
| Telehealth | Offers telehealth |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
- Ut of Texas Southwestern University Hospital - William P. Clements Jr.Dallas, TX
Industry payments (Open Payments)
- 2025$76.69 · 3 payments from 3 companies
- 2024$996.64 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $33.63 | 1 |
| Geron Corporation | $24.65 | 1 |
| Coherus Oncology, Inc. | $18.41 | 1 |
What the 2025 payments were for
- Food and Beverage$76.69 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 44 Internal Medicine, Hematology providers in Stanford · All Internal Medicine, Hematology providers in California