Leon Cheng, MD
NPI 1104834407ActiveIndividual· Internal Medicine· Sunnyvale, CA
Internal Medicine (MD) in Sunnyvale, California, trained at University of California, Davis School of Medicine (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $195,705 for 2,483 claims, against $39,035 paid for services in 2024.
Overview
| NPI | 1104834407 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 3, 2006 |
| Last updated in NPPES | Dec 2, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A93386 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 187 |
|---|---|
| Services billed | 862 across 27 procedure codes |
| Paid by Medicare | $39,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,483 · 5,891 30-day fills |
|---|---|
| Patients | 240 |
| Total drug cost | $195,705 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Family Practice |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Other facilities
- Centerwell Asian American Home HealthHome health agency · Alameda, CA
- Sutter Care at HomeHome health agency · Saratoga, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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