Quick answers
- Where does Mary E. Thies see patients?
- Medicare's clinician data lists 3 practice locations, including Oakland, CA, San Francisco, CA and Richmond, CA. Call before your visit to confirm the address.
- What is Mary E. Thies's specialty?
- Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
- Does Mary E. Thies accept Medicare assignment?
- Yes. Medicare's clinician data says Mary E. Thies 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 Mary E. Thies?
- (510) 752-1000, as listed in official Medicare / NPI Registry data.
- What is Mary E. Thies's NPI number?
- 1912154642. 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 Mary E. Thies is enrolled with Medicare (CMS data updated 2026-10-02).
- 275 W Macarthur BlvdOakland, CA 94611 (510) 752‑1000
- 711 Van Ness Ave, Suite 230San Francisco, CA 94102 (415) 997‑6410
- 901 Nevin AveRichmond, CA 94801 (510) 307‑1500
Group practices
Medicare enrollment lists Mary E. Thies as a member of these groups (CMS data updated 2026-10-02).
- Permanente Medical Group Inc10,996 clinicians in the group
- In Somno Securitas a Professional Nursing Corporation19 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), California →
Other nurse anesthetists in Oakland
Clinicians with the same Medicare primary specialty in Oakland, CA — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2023 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912154642 |
| 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