Quick answers
- Where does Leah S. Millheiser see patients?
- Medicare's clinician data lists 2 practice locations, including Fremont, CA and Pleasanton, CA. Call before your visit to confirm the address.
- What is Leah S. Millheiser's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Leah S. Millheiser accept Medicare assignment?
- Yes. Medicare's clinician data says Leah S. Millheiser 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 Leah S. Millheiser offer telehealth?
- Medicare's clinician data says Leah S. Millheiser offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Leah S. Millheiser?
- (510) 490-1222, as listed in official Medicare / NPI Registry data.
- What is Leah S. Millheiser's NPI number?
- 1023188331. 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 Leah S. Millheiser is enrolled with Medicare (CMS data updated 2026-10-02).
- 3200 Kearney StFremont, CA 94538 (510) 490‑1222
- 5555 W Las Positas BlvdPleasanton, CA 94588 (925) 373‑4068
Group practices
Medicare enrollment lists Leah S. Millheiser as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Fremont
Clinicians with the same Medicare primary specialty in Fremont, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1999 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1023188331 |
| 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