Quick answers
- Which hospitals does Marcus A. De Ranieri work at?
- Medicare's official clinician data lists Marcus A. De Ranieri at 2 hospitals: Community Hospital of the Monterey Peninsula and Salinas Valley Health Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marcus A. De Ranieri see patients?
- Medicare's clinician data lists 1 practice location in Marina, CA. Call before your visit to confirm the address.
- What is Marcus A. De Ranieri's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Marcus A. De Ranieri accept Medicare assignment?
- Yes. Medicare's clinician data says Marcus A. De Ranieri 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 Marcus A. De Ranieri offer telehealth?
- Medicare's clinician data says Marcus A. De Ranieri offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marcus A. De Ranieri?
- (831) 582-2100, as listed in official Medicare / NPI Registry data.
- What is Marcus A. De Ranieri's NPI number?
- 1891351615. 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 A. De Ranieri works
Medicare's Facility Affiliation Data lists Marcus A. De Ranieri at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Community Hospital of the Monterey PeninsulaMonterey, CA · Acute Care Hospital · CCN 050145
- Salinas Valley Health Medical CenterSalinas, CA · Acute Care Hospital · CCN 050334
Practice locations
Addresses where Marcus A. De Ranieri is enrolled with Medicare (CMS data updated 2026-10-02).
- 2930 2nd Ave, Suite 200Marina, CA 93933 (831) 582‑2100
Group practices
Medicare enrollment lists Marcus A. De Ranieri as a member of this group (CMS data updated 2026-10-02).
- Montage Medical Group127 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Marina
Clinicians with the same Medicare primary specialty in Marina, CA — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Touro Un College Of Osteopathic Medicine, Vallejo |
| Graduation year | 2019 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891351615 |
| 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