Tyler Espiritu Ayalin, M.D.
NPI 1124274915ActiveIndividual· Emergency Medicine· Orange, CA
Emergency Medicine (M.D.) with Emergency Medicine Specialists of Orange County, practicing in Orange, California. 147 Medicare patients in 2024, $23,160 paid; nearly all of their 290 Part D prescriptions were generic (94%). Abbott Laboratories reported $22.14 in payments in 2024, mostly food and beverage. Lists Providence St. Joseph Hospital as a hospital affiliation.
Overview
| NPI | 1124274915 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 12, 2008 |
| Last updated in NPPES | Apr 9, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A116574 | 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 | 147 |
|---|---|
| Services billed | 222 across 11 procedure codes |
| Paid by Medicare | $23,160 |
Part D prescriptions in 2024
| Prescriptions (claims) | 290 · 291 30-day fills |
|---|---|
| Patients | 175 |
| Total drug cost | $8,724 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Emergency Medicine Specialists of Orange CountyOrange, CA · 42 clinicians
Hospital affiliation
- Providence St. Joseph HospitalOrange, CA
Industry payments (Open Payments)
- 2024$22.14 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $22.14 | 1 |
What the 2024 payments were for
- Food and Beverage$22.14 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 181 emergency medicine physicians in Orange · All emergency medicine physicians in California