Andrew Y. Lin, MD
NPI 1679635254ActiveIndividual· Internal Medicine· Sunnyvale, CA
Internal Medicine (MD) in Sunnyvale, California, trained at Ohio State University College of Medicine (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $823,122 for 10,954 claims, against $347,268 paid for services in 2024. Abbott Laboratories was the largest of 15 companies reporting payments in 2025, $2,840 in all, mostly food and beverage.
Overview
| NPI | 1679635254 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 13, 2006 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G77882 | 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 | 402 |
|---|---|
| Services billed | 5,421 across 25 procedure codes |
| Paid by Medicare | $347,268 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,954 · 24,475 30-day fills |
|---|---|
| Patients | 880 |
| Total drug cost | $823,122 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- El Camino HealthMountain View, CA
Other facilities
- Centerwell Asian American Home HealthHome health agency · Alameda, CA
- Prohealth Home Care, IncHome health agency · San Jose, CA
- Sutter Care at HomeHome health agency · Saratoga, CA
Industry payments (Open Payments)
- 2025$2,840 · 82 payments from 15 companies
- 2024$20,118 · 96 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $677.07 | 14 |
| Amgen Inc. | $530.84 | 10 |
| Novo Nordisk Inc | $330.51 | 13 |
| Ars Pharmaceuticals Operations, Inc. | $300.16 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $266.95 | 6 |
What the 2025 payments were for
- Food and Beverage$2,840 · 82 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 internal medicine physicians in Sunnyvale · All internal medicine physicians in California