Catherine K. Pyun
NPI 1154390144ActiveIndividual· Internal Medicine· Alameda, CA
Internal Medicine with Alameda Inpatient Medical Inc, practicing in Alameda, California. In 2024 Medicare paid $66,918 for 310 patients, and Part D covered 212 of their prescriptions, 82% of them generic. Abbvie Inc. reported $122.70 in payments in 2024, mostly food and beverage. Lists Alameda Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1154390144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Jul 16, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 20A6823 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 310 |
|---|---|
| Services billed | 655 across 15 procedure codes |
| Paid by Medicare | $66,918 |
Part D prescriptions in 2024
| Prescriptions (claims) | 212 · 220 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $8,995 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1994 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Alameda Inpatient Medical IncAlameda, CA · 22 clinicians
Hospital affiliations
- Alameda HospitalAlameda, CA
- Highland HospitalOakland, CA
Industry payments (Open Payments)
- 2024$122.70 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $122.70 | 1 |
What the 2024 payments were for
- Food and Beverage$122.70 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 42 internal medicine physicians in Alameda · All internal medicine physicians in California