Judy Mary Cheng, MD
NPI 1568577906ActiveIndividual· Internal Medicine, Hematology· Stanford, CA
Internal Medicine, Hematology (MD) with Sutter Bay Medical Foundation, practicing in Stanford, California. Their prescriptions cost Medicare Part D more than their services did: $4,009,984 for 717 claims, against $3,073 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 32 companies reporting payments in 2025, $2,547 in all, mostly food and beverage. Lists Peninsula Medical Center as a hospital affiliation.
Overview
| NPI | 1568577906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 19, 2006 |
| Last updated in NPPES | Mar 5, 2025 |
| Certified by provider | Mar 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | A76724 | CA |
| Internal Medicine | 207R00000X | A76724 | CA |
| Internal Medicine, Hematology & Oncology | 207RH0003X | A76724 | CA |
| Internal Medicine, Medical Oncology | 207RX0202X | A76724 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 19 |
|---|---|
| Services billed | 26 across 4 procedure codes |
| Paid by Medicare | $3,073 |
Part D prescriptions in 2024
| Prescriptions (claims) | 717 · 981 30-day fills |
|---|---|
| Patients | 120 |
| Total drug cost | $4,009,984 |
| Generic share | 66% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine, Medical Oncology |
| Telehealth | Offers telehealth |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliation
- Peninsula Medical CenterBurlingame, CA
Industry payments (Open Payments)
- 2025$2,547 · 84 payments from 32 companies
- 2024$86.15 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $446.42 | 13 |
| Novartis Pharmaceuticals Corporation | $224.57 | 7 |
| Janssen Biotech, Inc. | $190.31 | 7 |
| E.R. Squibb & Sons, L.L.C. | $136.65 | 6 |
| Celgene Corporation | $126.03 | 3 |
What the 2025 payments were for
- Food and Beverage$2,547 · 84 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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