Quick answers
- Which hospitals does Daniel R. Marcus work at?
- Medicare's official clinician data lists Daniel R. Marcus 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 Daniel R. Marcus see patients?
- Medicare's clinician data lists 1 practice location in Marina Del Rey, CA. Call before your visit to confirm the address.
- What is Daniel R. Marcus's specialty?
- Medicare lists General Surgery as the primary specialty, and also Hand Surgery and Vascular Surgery.
- Does Daniel R. Marcus accept Medicare assignment?
- Yes. Medicare's clinician data says Daniel R. Marcus 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 Daniel R. Marcus offer telehealth?
- Medicare's clinician data says Daniel R. Marcus offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Daniel R. Marcus?
- (310) 305-1813, as listed in official Medicare / NPI Registry data.
- What is Daniel R. Marcus's NPI number?
- 1417061714. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Daniel R. Marcus works
Medicare's Facility Affiliation Data lists Daniel R. Marcus 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 Daniel R. Marcus is enrolled with Medicare (CMS data updated 2026-10-02).
- 4640 Admiralty Way, Suite 1020Marina Del Rey, CA 90292 (310) 305‑1813
Specialties
- General Surgeryprimary
- Hand Surgeryalso
- Vascular Surgeryalso
Other general surgeons in Marina Del Rey
Clinicians with the same Medicare primary specialty in Marina Del Rey, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1986 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417061714 |
| 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