Quick answers
- Where does Susan Mayo see patients?
- Medicare's clinician data lists 1 practice location in San Francisco, CA. Call before your visit to confirm the address.
- What is Susan Mayo's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Susan Mayo accept Medicare assignment?
- Yes. Medicare's clinician data says Susan Mayo 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 Susan Mayo?
- (800) 997-6196, as listed in official Medicare / NPI Registry data.
- What is Susan Mayo's NPI number?
- 1386696185. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Susan Mayo is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 California St, Suite 2300San Francisco, CA 94111 (800) 997‑6196
Group practices
Medicare enrollment lists Susan Mayo as a member of this group (CMS data updated 2026-10-02).
- Doctor on Demand Professionals of California10 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in San Francisco
Clinicians with the same Medicare primary specialty in San Francisco, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386696185 |
| 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
- 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