Huilan Cheng, M.D.
NPI 1679684245ActiveIndividual· Internal Medicine, Gastroenterology· Berkeley, CA
Internal Medicine, Gastroenterology (M.D.) with Bass Medical Group, practicing in Berkeley, California. Their prescriptions cost Medicare Part D more than their services did: $778,377 for 1,616 claims, against $154,854 paid for services in 2024. Janssen Biotech, Inc. was the largest of 13 companies reporting payments in 2025, $2,025 in all, mostly food and beverage. Lists Alameda Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1679684245 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Nov 13, 2024 |
| Certified by provider | Nov 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A93605 | 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 - Gastroenterology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 615 |
|---|---|
| Services billed | 1,339 across 35 procedure codes |
| Paid by Medicare | $154,854 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,616 · 3,043 30-day fills |
|---|---|
| Patients | 622 |
| Total drug cost | $778,377 |
| Generic share | 72% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Bass Medical GroupChico, CA · 291 clinicians
Hospital affiliations
- Alameda HospitalAlameda, CA
- Alta Bates Summit Medical CenterOakland, CA
- Alta Bates Summit Medical Center - Alta Bates CampBerkeley, CA
- John Muir Medical Center - Walnut Creek CampusWalnut Creek, CA
- Stanford Health CareStanford, CA
Industry payments (Open Payments)
- 2025$2,025 · 66 payments from 13 companies
- 2024$800.68 · 38 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $489.29 | 14 |
| Abbvie Inc. | $322.60 | 13 |
| Takeda Pharmaceuticals U.S.A., Inc. | $283.34 | 11 |
| Aimmune Therapeutics, Inc. | $245.35 | 6 |
| Madrigal Pharmaceuticals | $225.02 | 6 |
What the 2025 payments were for
- Food and Beverage$2,025 · 66 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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