Quick answers
- Which hospitals does Winward Choy work at?
- Medicare's official clinician data lists Winward Choy at 2 hospitals: Cedar-Sinai Marina del Rey Hospital and Cedars-Sinai Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Winward Choy see patients?
- Medicare's clinician data lists 3 practice locations, including Marina Del Rey, CA and West Hollywood, CA. Call before your visit to confirm the address.
- What is Winward Choy's specialty?
- Medicare lists Neurosurgery as the primary specialty.
- Does Winward Choy accept Medicare assignment?
- Yes. Medicare's clinician data says Winward Choy accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Winward Choy offer telehealth?
- Medicare's clinician data says Winward Choy offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Winward Choy?
- (310) 448-7840, as listed in official Medicare / NPI Registry data.
- What is Winward Choy's NPI number?
- 1174056485. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Winward Choy works
Medicare's Facility Affiliation Data lists Winward Choy at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cedar-Sinai Marina del Rey HospitalMarina del Rey, CA · Acute Care Hospital · CCN 050740
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospital · CCN 050625
Practice locations
Addresses where Winward Choy is enrolled with Medicare (CMS data updated 2026-10-02).
- 4640 Admiralty Way, Suite 600Marina Del Rey, CA 90292 (310) 448‑7840
- 4650 Lincoln BlvdMarina Del Rey, CA 90292 (310) 823‑8911
- 8700 Beverly BlvdWest Hollywood, CA 90048 (310) 423‑3277
Group practices
Medicare enrollment lists Winward Choy as a member of these groups (CMS data updated 2026-10-02).
- Cedars-Sinai Medical Care Foundation1,692 clinicians in the group
- Cedars-Sinai Medical Center799 clinicians in the group
Specialties
- Neurosurgeryprimary
Other neurosurgeons in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174056485 |
| 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