Catherine Ann Riley, M.D.
NPI 1841493285ActiveIndividual· Internal Medicine, Pulmonary Disease· Bryn Mawr, PA
Internal Medicine, Pulmonary Disease (M.D.) with Bryn Mawr Medical Specialists Association, practicing in Bryn Mawr, Pennsylvania. Their prescriptions cost Medicare Part D more than their services did: $765,184 for 1,105 claims, against $199,206 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 26 companies reporting payments in 2025, $2,189 in all, mostly food and beverage. Lists Bryn Mawr Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1841493285 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 5, 2007 |
| Last updated in NPPES | Apr 5, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MD427567 | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Critical Care (Intensivists) (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 656 |
|---|---|
| Services billed | 1,744 across 29 procedure codes |
| Paid by Medicare | $199,206 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,105 · 1,610 30-day fills |
|---|---|
| Patients | 191 |
| Total drug cost | $765,184 |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
Medical group
- Bryn Mawr Medical Specialists AssociationBryn Mawr, PA · 134 clinicians
Hospital affiliations
- Bryn Mawr HospitalBryn Mawr, PA
- Main Line Hospital LankenauWynnewood, PA
- Paoli HospitalPaoli, PA
- Riddle Memorial HospitalMedia, PA
Industry payments (Open Payments)
- 2025$2,189 · 69 payments from 26 companies
- 2024$1,896 · 72 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $252.07 | 14 |
| Avadel Cns Pharmaceuticals, LLC | $241.79 | 3 |
| Grifols USA, LLC | $152.05 | 5 |
| Jazz Pharmaceuticals Inc. | $150.00 | 1 |
| Pulmonx Corporation | $149.29 | 2 |
What the 2025 payments were for
- Food and Beverage$1,739 · 66 payments
- Consulting Fee$350.00 · 2 payments
- Education$99.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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