Quick answers
- Which hospitals does Jeffrey D. Marcus work at?
- Medicare's official clinician data lists Jeffrey D. Marcus at 5 hospitals: El Camino Health, Good Samaritan Hospital, Hazel Hawkins Memorial Hospital, Sequoia Hospital and Stanford Health Care. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jeffrey D. Marcus see patients?
- Medicare's clinician data lists 6 practice locations, including Menlo Park, CA, Los Gatos, CA and San Jose, CA. Call before your visit to confirm the address.
- What is Jeffrey D. Marcus's specialty?
- Medicare lists Critical Care (Intensivists) as the primary specialty, and also Pulmonary Disease.
- Does Jeffrey D. Marcus accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey D. 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 Jeffrey D. Marcus offer telehealth?
- Medicare's clinician data says Jeffrey D. Marcus offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Jeffrey D. Marcus?
- (650) 498-6500, as listed in official Medicare / NPI Registry data.
- What is Jeffrey D. Marcus's NPI number?
- 1184815656. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Jeffrey D. Marcus works
Medicare's Facility Affiliation Data lists Jeffrey D. Marcus at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- El Camino HealthMountain View, CA · Acute Care Hospital · CCN 050308
- Good Samaritan HospitalSan Jose, CA · Acute Care Hospital · CCN 050380
- Hazel Hawkins Memorial HospitalHollister, CA · Critical Access Hospital · CCN 051337
- Sequoia HospitalRedwood City, CA · Acute Care Hospital · CCN 050197
- Stanford Health CareStanford, CA · Acute Care Hospital · CCN 050441
Practice locations
Addresses where Jeffrey D. Marcus is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1300 Crane StMenlo Park, CA 94025 (650) 498‑6500
- 230 Vista Del MonteLos Gatos, CA 95030 (408) 879‑5900
- 2425 Samaritan DrSan Jose, CA 95124 (888) 924‑1036
- 2950 Whipple Ave, Suite 4Redwood City, CA 94062 (650) 216‑9000
- 50 E Hamilton Ave, Suite 280Campbell, CA 95008 (408) 227‑2646
Group practices
Medicare enrollment lists Jeffrey D. Marcus as a member of these groups (CMS data updated 2026-10-02).
- University Healthcare Alliance327 clinicians in the group
- Mojdeh Talebian M D Inc2 clinicians in the group
- Msalam M Sara MD Inc2 clinicians in the group
Specialties
Find other Critical Care (Intensivists) doctors in California →
Other critical care doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Miami, Lm Miller School Of Medicine |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1184815656 |
| 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