Quick answers
- Which hospitals does Michael C. Chase work at?
- Medicare's official clinician data lists Michael C. Chase at 2 hospitals: Marinhealth Medical Center and Novato Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Michael C. Chase see patients?
- Medicare's clinician data lists 3 practice locations, including Larkspur, CA and San Francisco, CA. Call before your visit to confirm the address.
- What is Michael C. Chase's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Michael C. Chase accept Medicare assignment?
- Yes. Medicare's clinician data says Michael C. Chase 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 Michael C. Chase offer telehealth?
- Medicare's clinician data says Michael C. Chase offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Michael C. Chase?
- (415) 945-7800, as listed in official Medicare / NPI Registry data.
- What is Michael C. Chase's NPI number?
- 1457423105. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Michael C. Chase works
Medicare's Facility Affiliation Data lists Michael C. Chase at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
- Novato Community HospitalNovato, CA · Acute Care Hospital · CCN 050131
Practice locations
Addresses where Michael C. Chase is enrolled with Medicare (CMS data updated 2026-10-02).
- 2 Bon Air Rd, Suite 150Larkspur, CA 94939 (415) 945‑7800
- 3333 California St, S1 10San Francisco, CA 94118
- 45 Castro St, Suite 138San Francisco, CA 94114 (415) 588‑8200
Specialties
- Internal Medicineprimary
Other internal medicine doctors in California
Clinicians with the same Medicare primary specialty in California — not a recommendation.
Clinician information
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1972 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457423105 |
| 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