Quick answers
- Which hospitals does Olivia B. Greenwald work at?
- Medicare's official clinician data lists Olivia B. Greenwald at 3 hospitals: Cedar-Sinai Marina del Rey Hospital, Cedars-Sinai Medical Center and Saint John's Health Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Olivia B. Greenwald see patients?
- Medicare's clinician data lists 7 practice locations, including Santa Monica, CA, Torrance, CA and Marina Del Rey, CA. Call before your visit to confirm the address.
- What is Olivia B. Greenwald's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Olivia B. Greenwald accept Medicare assignment?
- Yes. Medicare's clinician data says Olivia B. Greenwald 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 Olivia B. Greenwald offer telehealth?
- Medicare's clinician data says Olivia B. Greenwald offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Olivia B. Greenwald?
- (310) 829-2663, as listed in official Medicare / NPI Registry data.
- What is Olivia B. Greenwald's NPI number?
- 1417411190. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Olivia B. Greenwald works
Medicare's Facility Affiliation Data lists Olivia B. Greenwald 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
- Saint John's Health CenterSanta Monica, CA · Acute Care Hospital · CCN 050290
Practice locations
Addresses where Olivia B. Greenwald is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 7; the Medicare profile lists all.
- 2020 Santa Monica BlvdSanta Monica, CA 90404 (310) 829‑2663
- 2121 Santa Monica BlvdSanta Monica, CA 90404 (310) 576‑7267
- 23550 Hawthorne Blvd, Suite 120Torrance, CA 90505 (310) 517‑1216
- 23560 Crenshaw Blvd, Suite 102Torrance, CA 90505 (310) 784‑2355
- 4650 Lincoln BlvdMarina Del Rey, CA 90292 (310) 823‑8911
Group practices
Medicare enrollment lists Olivia B. Greenwald as a member of these groups (CMS data updated 2026-10-02).
- Cedars-Sinai Medical Care Foundation1,692 clinicians in the group
- Torrance Health Association Inc299 clinicians in the group
- Rasoulispine Associates Inc3 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Santa Monica
Clinicians with the same Medicare primary specialty in Santa Monica, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2018 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417411190 |
| 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