Xiao Yan Wang, M.D.
NPI 1134515638ActiveIndividual· Internal Medicine· Stanford, CA
Internal Medicine (M.D.) in Stanford, California, trained at Yale University School of Medicine (class of 2015). In 2024 Medicare paid $46,314 for 137 patients, and Part D covered 134 of their prescriptions, 86% of them generic. Tandem Diabetes Care, Inc. reported $22.40 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1134515638 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 10, 2015 |
| Last updated in NPPES | Apr 24, 2024 |
| Certified by provider | Apr 24, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A144661 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 137 |
|---|---|
| Services billed | 447 across 15 procedure codes |
| Paid by Medicare | $46,314 |
Part D prescriptions in 2024
| Prescriptions (claims) | 134 · 172 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $11,765 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
Medical group
- Stanford Health CareStanford, CA · 3,122 clinicians
Hospital affiliation
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2024$22.40 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Tandem Diabetes Care, Inc. | $22.40 | 1 |
What the 2024 payments were for
- Food and Beverage$22.40 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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