Huat Chye Lim, MD
NPI 1023404860ActiveIndividual· Internal Medicine· San Francisco, CA
Internal Medicine (MD) with University of California San Francisco and 2 other groups, practicing in San Francisco, California. Their prescriptions cost Medicare Part D more than their services did: $504,728 for 110 claims, against $70,510 paid for services in 2024. Boston Scientific Corporation reported $23.36 in payments in 2025, mostly food and beverage. Lists UCSF Medical Center as a hospital affiliation.
Overview
| NPI | 1023404860 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 8, 2015 |
| Last updated in NPPES | Dec 4, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A147344 | 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 - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 95 |
|---|---|
| Services billed | 1,179 across 19 procedure codes |
| Paid by Medicare | $70,510 |
Part D prescriptions in 2024
| Prescriptions (claims) | 110 · 130 30-day fills |
|---|---|
| Patients | 18 |
| Total drug cost | $504,728 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
- Regents of the University of CaliforniaSan Francisco, CA · 732 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$23.36 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $23.36 | 1 |
What the 2025 payments were for
- Food and Beverage$23.36 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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