Quick answers
- Does Eliza C. Hagen accept Medicare assignment?
- Medicare's clinician data says Eliza C. Hagen may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Eliza C. Hagen see?
- In 2024, CMS data shows 59 Original Medicare patients and 93 services for Eliza C. Hagen. This counts Original Medicare only and measures volume, not quality.
- What is Eliza C. Hagen's NPI number?
- 1790853125. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Eliza C. Hagen, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 59 |
|---|---|
| Services billed to Medicare | 93 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 70 |
Most frequent services
- Measurement of brain wave activity (eeg), 41-60 minutes (95812)57 services
- Measurement of brain wave activity (eeg), 2-12 hours with health care professional review and report (95717)21 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- Stroke or mini-stroke63%
- High cholesterol59%
- Chronic kidney disease51%
- Diabetes46%
- Alzheimer's disease or dementia44%
Hospitals where Eliza C. Hagen works
Medicare's Facility Affiliation Data lists Eliza C. Hagen at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Alameda HospitalAlameda, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050211
- Highland HospitalOakland, CA · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 050320
Practice locations
Addresses where Eliza C. Hagen is enrolled with Medicare (CMS data updated October 2, 2026).
- 15400 Foothill BlvdSan Leandro, CA 94578
Specialties
- Neurologyprimary
Other neurologists in San Leandro
Clinicians with the same Medicare primary specialty in San Leandro, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1999 (27 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1790853125 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians