Quick answers
- Which hospitals does Leah Rieff work at?
- Medicare's official clinician data lists Leah Rieff at 2 hospitals: Alta Bates Summit Medical Center and California Pacific Medical Ctr-Davies Campus Hosp. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Leah Rieff see patients?
- Medicare's clinician data lists 4 practice locations, including Berkeley, CA, Fremont, CA and Brentwood, CA. Call before your visit to confirm the address.
- What is Leah Rieff's specialty?
- Medicare lists Certified Nurse Midwife (CNM) as the primary specialty.
- Does Leah Rieff accept Medicare assignment?
- Yes. Medicare's clinician data says Leah Rieff 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 Leah Rieff?
- (510) 204-4444, as listed in official Medicare / NPI Registry data.
- What is Leah Rieff's NPI number?
- 1861013708. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Leah Rieff works
Medicare's Facility Affiliation Data lists Leah Rieff 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
- California Pacific Medical Ctr-Davies Campus HospSan Francisco, CA · Acute Care Hospital · CCN 050008
Practice locations
Addresses where Leah Rieff is enrolled with Medicare (CMS data updated 2026-10-02).
- 2450 Ashby AveBerkeley, CA 94705
- 2450 Ashby Ave, Rm 5505Berkeley, CA 94705 (510) 204‑4444
- 3200 Kearney StFremont, CA 94538 (510) 490‑1222
- 350 John Muir PkwyBrentwood, CA 94513
Group practices
Medicare enrollment lists Leah Rieff as a member of this group (CMS data updated 2026-10-02).
- Sutter Bay Medical Foundation3,829 clinicians in the group
Specialties
Find other clinicians: Certified Nurse Midwife (CNM), California →
Other nurse midwifes in Berkeley
Clinicians with the same Medicare primary specialty in Berkeley, CA — not a recommendation.
Clinician information
| Credential | CNM |
|---|---|
| Graduation year | 2019 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1861013708 |
| 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