Quick answers
- Where does Olga Segal see patients?
- Medicare's clinician data lists 1 practice location in Mill Valley, CA. Call before your visit to confirm the address.
- What is Olga Segal's specialty?
- Medicare lists Psychiatry as the primary specialty, and also Geriatric Psychiatry.
- Does Olga Segal accept Medicare assignment?
- Yes. Medicare's clinician data says Olga Segal 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 Olga Segal offer telehealth?
- Medicare's clinician data says Olga Segal offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Olga Segal?
- (866) 247-4292, as listed in official Medicare / NPI Registry data.
- What is Olga Segal's NPI number?
- 1821013764. 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 Olga Segal is enrolled with Medicare (CMS data updated 2026-10-02).
- 655 Redwood Hwy Frontage Rd, Suite 240Mill Valley, CA 94941 (866) 247‑4292
Group practices
Medicare enrollment lists Olga Segal as a member of this group (CMS data updated 2026-10-02).
- Segal Telepsychiatry Network5 clinicians in the group
Specialties
- Psychiatryprimary
- Geriatric Psychiatryalso
Other psychiatrists in Mill Valley
Clinicians with the same Medicare primary specialty in Mill Valley, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1821013764 |
| 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