Quick answers
- Which hospitals does Marcus J. Chen work at?
- Medicare's official clinician data lists Marcus J. Chen at 1 hospital: Kaiser Foundation Hospital - South San Francisco. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marcus J. Chen see patients?
- Medicare's clinician data lists 4 practice locations, including Redwood City, CA and South San Francisco, CA. Call before your visit to confirm the address.
- What is Marcus J. Chen's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Marcus J. Chen accept Medicare assignment?
- Yes. Medicare's clinician data says Marcus J. Chen 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.
- What is the phone number for Marcus J. Chen?
- (650) 299-2000, as listed in official Medicare / NPI Registry data.
- What is Marcus J. Chen's NPI number?
- 1447895735. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marcus J. Chen works
Medicare's Facility Affiliation Data lists Marcus J. Chen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Kaiser Foundation Hospital - South San FranciscoSouth San Francisco, CA · Acute Care Hospital · CCN 050070
Practice locations
Addresses where Marcus J. Chen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1100 Veterans BlvdRedwood City, CA 94063 (650) 299‑2000
- 1150 Veterans BlvdRedwood City, CA 94063 (650) 299‑2000
- 1190 Veterans BlvdRedwood City, CA 94063 (650) 299‑2000
- 1200 El Camino RealSouth San Francisco, CA 94080 (650) 742‑2000
Group practices
Medicare enrollment lists Marcus J. Chen as a member of this group (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Redwood City
Clinicians with the same Medicare primary specialty in Redwood City, CA — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | Touro Un College Of Osteopathic Medicine, Vallejo |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1447895735 |
| 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