Clinicians affiliated with Alameda Health System
601 clinicians on file with this group · most practice in San Francisco-Oakland-Fremont, CA · PAC ID 3779494521
406 clinicians affiliated with Alameda Health System are in the 2024 Medicare Part B data, 324 of them physicians. Data years with affiliated clinicians: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024.
Each clinician's exact figures are in their Physician Report, from their page; a specialty's figures in this market are in a Market Comparison. View sample report · Already purchased? Open your report
Affiliated clinicians by specialty, 2024
All specialties · Emergency Medicine (54) · Internal Medicine (48) · Physician Assistant (36) · Psychiatry (31) · Anesthesiology (20) · Certified Registered Nurse Anesthetist (CRNA) (17) · Nurse Practitioner (17) · Neurology (15) · Diagnostic Radiology (14) · Gastroenterology (14) · Ophthalmology (11) · Interventional Radiology (9) · Orthopedic Surgery (9) · General Surgery (8) · Infectious Disease (8) · Family Practice (7) · Critical Care (Intensivists) (6) · Pathology (6) · Physical Medicine and Rehabilitation (6) · Interventional Cardiology (5) · Podiatry (5) · Pulmonary Disease (5) · Cardiology (4) · Hospice and Palliative Care (4) · Hospitalist (4) · Neurosurgery (4) · Urology (4) · Hematology-Oncology (3) · Nephrology (3) · Obstetrics & Gynecology (3) · Optometry (3) · Otolaryngology (3) · Vascular Surgery (3) · Dermatology (2) · Licensed Clinical Social Worker (2) · Pain Management (2) · Clinical Cardiac Electrophysiology (1) · Dentist (1) · Endocrinology (1) · Geriatric Medicine (1) · Gynecological Oncology (1) · Marriage and Family Therapist (1) · Maxillofacial Surgery (1) · Medical Oncology (1) · Plastic and Reconstructive Surgery (1) · Rheumatology (1) · Surgical Oncology (1)
Specialty links go to the specialty in San Francisco-Oakland-Fremont, CA.
Clinicians affiliated with Alameda Health System, 2024
Alphabetical by last name; 401–406 of 406.
| Name | Specialty | City |
|---|---|---|
| Youssef E Youssef, M.D. | Internal Medicine | Fremont, CA |
| Katherine Yu, DO, MPH | Internal Medicine | Oakland, CA |
| Ayesha Zahiruddin, MD | Gastroenterology | Oakland, CA |
| Lisa M Zahn, M.D. | Emergency Medicine | Horsham, PA |
| Lan Zhang, MD | Internal Medicine | Stockton, CA |
| Summer Ziegler | Physician Assistant | Los Angeles, CA |
Practice locations
Listed practice locations in California.
Source: CMS Doctors and Clinicians National Downloadable File, snapshot October 2, 2026.
Membership comes from the CMS Doctors and Clinicians file. CMS does not publish an end-of-year archive of it, so the current snapshot is applied to every data year. A clinician affiliated with several groups or hospitals appears on each of their pages. How group pages are built · Limitations