David Lin, MD
NPI 1942241187ActiveIndividual· Emergency Medicine· Whittier, CA
Emergency Medicine (MD) with Gem Medical Group Corporation and 2 other groups, practicing in Whittier, California. In 2024 Medicare paid $68,384 for 395 patients, and Part D covered 608 of their prescriptions, 78% of them generic. Kyowa Kirin, Inc. reported $15.65 in payments in 2025, mostly food and beverage. Lists Foothill Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1942241187 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 9, 2006 |
| Last updated in NPPES | Apr 16, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | G86588 | NY |
| Internal Medicine | 207R00000X | G86588 | CA |
| Emergency Medicine | 207P00000X | G86588 | 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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 395 |
|---|---|
| Services billed | 494 across 16 procedure codes |
| Paid by Medicare | $68,384 |
Part D prescriptions in 2024
| Prescriptions (claims) | 608 · 613 30-day fills |
|---|---|
| Patients | 73 |
| Total drug cost | $43,276 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical groups
- Gem Medical Group CorporationSouth El Monte, CA · 57 clinicians
- Can Emergency Physicians Medical Group IncTustin, CA · 45 clinicians
- Oc Emergency PhysiciansTustin, CA · 13 clinicians
Hospital affiliation
- Foothill Regional Medical CenterTustin, CA
Industry payments (Open Payments)
- 2025$15.65 · 1 payment from 1 company
- 2024$119.82 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kyowa Kirin, Inc. | $15.65 | 1 |
What the 2025 payments were for
- Food and Beverage$15.65 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 52 emergency medicine physicians in Whittier · All emergency medicine physicians in California