Matthew McKay, MD
NPI 1184653966ActiveIndividual· Emergency Medicine· Fullerton, CA
Emergency Medicine (MD) in Fullerton, California, licensed in CA, with an NPI issued in July 2006. 576 Medicare patients in 2024, $94,113 paid; nearly all of their 537 Part D prescriptions were generic (96%). E.R. Squibb & Sons, L.L.C. reported $15.16 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1184653966 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 2, 2006 |
| Last updated in NPPES | Sep 18, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | G68542 | 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 | 576 |
|---|---|
| Services billed | 882 across 20 procedure codes |
| Paid by Medicare | $94,113 |
Part D prescriptions in 2024
| Prescriptions (claims) | 537 · 545 30-day fills |
|---|---|
| Patients | 366 |
| Total drug cost | $9,407 |
| Generic share | 96% of claims |
Industry payments (Open Payments)
- 2025$15.16 · 1 payment from 1 company
- 2024$25.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $15.16 | 1 |
What the 2025 payments were for
- Food and Beverage$15.16 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other emergency medicine physicians in Fullerton
- 1922032739
- 1093758393
- 1154359024
- 1306875190
- 1962287235
- 1346828159
- 1407419070
- 1497865281
- 1740220094
- 1255369757
- 1518907864
- 1720190804
All 17 emergency medicine physicians in Fullerton · All emergency medicine physicians in California