Quick answers
- Which hospitals does David I. Hsu work at?
- Medicare's official clinician data lists David I. Hsu at 1 hospital: Garfield Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does David I. Hsu see patients?
- Medicare's clinician data lists 3 practice locations, including Agoura Hills, CA, Los Alamitos, CA and Monterey Park, CA. Call before your visit to confirm the address.
- What is David I. Hsu's specialty?
- Medicare lists Radiation Oncology as the primary specialty.
- Does David I. Hsu accept Medicare assignment?
- Medicare's clinician data says David I. Hsu may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for David I. Hsu?
- (818) 706-3744, as listed in official Medicare / NPI Registry data.
- What is David I. Hsu's NPI number?
- 1619983343. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where David I. Hsu works
Medicare's Facility Affiliation Data lists David I. Hsu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Garfield Medical CenterMonterey Park, CA · Acute Care Hospital · CCN 050737
Practice locations
Addresses where David I. Hsu is enrolled with Medicare (CMS data updated 2026-10-02).
- 30300 Agoura Rd, Suite 200Agoura Hills, CA 91301 (818) 706‑3744
- 3851 Katella Ave, Suite 105Los Alamitos, CA 90720 (562) 799‑3330
- 605 N Garfield AveMonterey Park, CA 91754 (626) 571‑6100
Group practices
Medicare enrollment lists David I. Hsu as a member of these groups (CMS data updated 2026-10-02).
- Parham Tabibian MD Inc9 clinicians in the group
- AHMC International Cancer Center a Medical Corporation2 clinicians in the group
Specialties
- Radiation Oncologyprimary
Other radiation oncologists in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Creighton University School Of Medicine |
| Graduation year | 1998 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1619983343 |
| 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 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- 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