Catherine Louise Louden, MD
NPI 1184713570ActiveIndividual· Otolaryngology· Arcadia, CA
Otolaryngology (MD) in Arcadia, California, licensed in CA, with an NPI issued in October 2006. 73 Medicare patients in 2024, $4,584 paid; nearly all of their 100 Part D prescriptions were generic (96%).
Overview
| NPI | 1184713570 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 12, 2006 |
| Last updated in NPPES | Dec 4, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | G078930 | 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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 122 across 8 procedure codes |
| Paid by Medicare | $4,584 |
Part D prescriptions in 2024
| Prescriptions (claims) | 100 · 146 30-day fills |
|---|---|
| Patients | 49 |
| Total drug cost | $2,399 |
| Generic share | 96% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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