Caitlyn Mierau, PA-C
NPI 1992279590ActiveIndividual· Physician Assistant· Chester, PA
Physician Assistant (PA-C) with Providence Ear Nose and Throat Associates Inc, practicing in Chester, Pennsylvania. 192 Medicare patients in 2024, $26,586 paid; nearly all of their 469 Part D prescriptions were generic (96%). Regeneron Healthcare Solutions, Inc. was the largest of 3 companies reporting payments in 2025, $142.92 in all, mostly food and beverage. Lists Main Line Hospital Lankenau and 1 other hospital as hospital affiliations.
Overview
| NPI | 1992279590 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jan 16, 2019 |
| Last updated in NPPES | Jan 23, 2024 |
| Certified by provider | Jan 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | MA062657 | PA |
| Physician Assistant | 363A00000X | OA006794 | PA |
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 - Physician Assistant (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 192 |
|---|---|
| Services billed | 496 across 16 procedure codes |
| Paid by Medicare | $26,586 |
Part D prescriptions in 2024
| Prescriptions (claims) | 469 · 715 30-day fills |
|---|---|
| Patients | 240 |
| Total drug cost | $12,420 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Providence Ear Nose and Throat Associates IncChester, PA · 12 clinicians
Hospital affiliations
- Main Line Hospital LankenauWynnewood, PA
- Riddle Memorial HospitalMedia, PA
Industry payments (Open Payments)
- 2025$142.92 · 7 payments from 3 companies
- 2024$179.42 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $94.72 | 5 |
| Medtronic, Inc. | $27.99 | 1 |
| Optinose US, Inc. | $20.21 | 1 |
What the 2025 payments were for
- Food and Beverage$142.92 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 26 physician assistants in Chester · All physician assistants in Pennsylvania