Quick answers
- Which hospitals does Tess Barbach work at?
- Medicare's official clinician data lists Tess Barbach at 3 hospitals: Alta Bates Summit Medical Center, Alta Bates Summit Medical Center - Alta Bates Camp… and Marinhealth Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Tess Barbach see patients?
- Medicare's clinician data lists 2 practice locations, including San Rafael, CA and Oakland, CA. Call before your visit to confirm the address.
- What is Tess Barbach's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Tess Barbach accept Medicare assignment?
- Medicare's clinician data says Tess Barbach may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- Does Tess Barbach offer telehealth?
- Medicare's clinician data says Tess Barbach offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Tess Barbach?
- (415) 448-1500, as listed in official Medicare / NPI Registry data.
- What is Tess Barbach's NPI number?
- 1194248278. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Tess Barbach works
Medicare's Facility Affiliation Data lists Tess Barbach at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Alta Bates Summit Medical CenterOakland, CA · Acute Care Hospital · CCN 050043
- Alta Bates Summit Medical Center - Alta Bates Camp…Berkeley, CA · Acute Care Hospital · CCN 050305
- Marinhealth Medical CenterGreenbrae, CA · Acute Care Hospital · CCN 050360
Practice locations
Addresses where Tess Barbach is enrolled with Medicare (CMS data updated 2026-10-02).
- 3260 Kerner Blvd, ASan Rafael, CA 94901 (415) 448‑1500
- 3300 Webster St, Suite 1000Oakland, CA 94609 (510) 271‑4400
Group practices
Medicare enrollment lists Tess Barbach as a member of these groups (CMS data updated 2026-10-02).
- Marin Community Clinic30 clinicians in the group
- Hill Health Inc a Medical Corporation10 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in San Rafael
Clinicians with the same Medicare primary specialty in San Rafael, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1194248278 |
| 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