Eileen Katherine Nenninger, MD
NPI 1295199966ActiveIndividual· Internal Medicine, Infectious Disease· San Leandro, CA
Internal Medicine, Infectious Disease (MD) in San Leandro, California, trained at University of Virginia School of Medicine (class of 2016). Medicare paid $111,333 for services to 312 patients in 2024.
Overview
| NPI | 1295199966 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 8, 2016 |
| Last updated in NPPES | Aug 8, 2023 |
| Certified by provider | Aug 8, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Infectious Disease Primary | 207RI0200X | A186925 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Infectious Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 312 |
|---|---|
| Services billed | 1,191 across 11 procedure codes |
| Paid by Medicare | $111,333 |
Education and affiliations
| Medical school | University of Virginia School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Infectious Disease |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Alameda Health SystemOakland, CA · 601 clinicians
- Diablo Infectious Disease Consultative Service Med Grp IncSan Leandro, CA · 11 clinicians
Hospital affiliations
- Alameda HospitalAlameda, CA
- Eden Medical CenterCastro Valley, CA
- Highland HospitalOakland, CA
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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