Yanjun Wang, M.D.
NPI 1033640800ActiveIndividual· Internal Medicine· Mountain View, CA
Internal Medicine (M.D.) with Sutter Bay Medical Foundation, practicing in Mountain View, California. In 2024 Medicare paid $80,431 for 428 patients, and Part D covered 1,981 of their prescriptions, 88% of them generic. Sanofi-Aventis U.S. LLC was the largest of 4 companies reporting payments in 2025, $516.63 in all, mostly food and beverage. Lists El Camino Health as a hospital affiliation.
Overview
| NPI | 1033640800 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 23, 2017 |
| Last updated in NPPES | Sep 15, 2020 |
| Certified by provider | Sep 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A169496 | 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 | 428 |
|---|---|
| Services billed | 798 across 33 procedure codes |
| Paid by Medicare | $80,431 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,981 · 4,322 30-day fills |
|---|---|
| Patients | 414 |
| Total drug cost | $105,743 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2010 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- El Camino HealthMountain View, CA
Other facilities
- Sutter Care at HomeHome health agency · Saratoga, CA
Industry payments (Open Payments)
- 2025$516.63 · 4 payments from 4 companies
- 2024$403.91 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sanofi-Aventis U.S. LLC | $150.00 | 1 |
| Viiv Healthcare Company | $124.99 | 1 |
| Otsuka America Pharmaceutical, Inc. | $124.99 | 1 |
| Lilly USA, LLC | $116.65 | 1 |
What the 2025 payments were for
- Food and Beverage$516.63 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 134 internal medicine physicians in Mountain View · All internal medicine physicians in California