Larry Leh-Lin Chan, MD
NPI 1689733297ActiveIndividual· Internal Medicine, Nephrology· Harbor City, CA
Internal Medicine, Nephrology (MD) in Harbor City, California, trained at Warren Alpert Medical School of Brown University (class of 1999). Their prescriptions cost Medicare Part D more than their services did: $145,522 for 1,356 claims, against $7,529 paid for services in 2024. Fresenius USA Marketing, Inc. reported $23.84 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1689733297 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 8, 2006 |
| Last updated in NPPES | Dec 2, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | A74565 | 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 | 39 |
|---|---|
| Services billed | 88 across 9 procedure codes |
| Paid by Medicare | $7,529 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,356 · 3,501 30-day fills |
|---|---|
| Patients | 246 |
| Total drug cost | $145,522 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Warren Alpert Medical School of Brown University |
|---|---|
| Graduation year | 1999 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - South BayHarbor City, CA
Other facilities
- Fmc-South Bay Home TherapyDialysis facility · Harbor City, CA
Industry payments (Open Payments)
- 2025$23.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $23.84 | 1 |
What the 2025 payments were for
- Food and Beverage$23.84 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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