Quick answers
- Which hospitals does Jeffrey M. Do work at?
- Medicare's official clinician data lists Jeffrey M. Do at 2 hospitals: Eden Medical Center and San Mateo Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Jeffrey M. Do see patients?
- Medicare's clinician data lists 2 practice locations, including Castro Valley, CA and San Mateo, CA. Call before your visit to confirm the address.
- What is Jeffrey M. Do's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does Jeffrey M. Do accept Medicare assignment?
- Yes. Medicare's clinician data says Jeffrey M. Do 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 Jeffrey M. Do?
- (510) 537-1234, as listed in official Medicare / NPI Registry data.
- What is Jeffrey M. Do's NPI number?
- 1225088552. 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 M. Do works
Medicare's Facility Affiliation Data lists Jeffrey M. Do at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Eden Medical CenterCastro Valley, CA · Acute Care Hospital · CCN 050488
- San Mateo Medical CenterSan Mateo, CA · Acute Care Hospital · CCN 050113
Practice locations
Addresses where Jeffrey M. Do is enrolled with Medicare (CMS data updated 2026-10-02).
- 20103 Lake Chabot RdCastro Valley, CA 94546 (510) 537‑1234
- 222 W 39th AveSan Mateo, CA 94403 (650) 573‑2222
Group practices
Medicare enrollment lists Jeffrey M. Do as a member of these groups (CMS data updated 2026-10-02).
- County of San Mateo310 clinicians in the group
- Alameda Anesthesia Associates Medical Group Inc20 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Castro Valley
Clinicians with the same Medicare primary specialty in Castro Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1225088552 |
| 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