Quick answers
- Which hospitals does Julia B. Willner work at?
- Medicare's official clinician data lists Julia B. Willner at 1 hospital: PIH Health Hospital-Whittier. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Julia B. Willner see patients?
- Medicare's clinician data lists 4 practice locations, including Whittier, CA and La Mirada, CA. Call before your visit to confirm the address.
- What is Julia B. Willner's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Julia B. Willner accept Medicare assignment?
- Yes. Medicare's clinician data says Julia B. Willner 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 Julia B. Willner?
- (562) 698-0811, as listed in official Medicare / NPI Registry data.
- What is Julia B. Willner's NPI number?
- 1891974655. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Julia B. Willner works
Medicare's Facility Affiliation Data lists Julia B. Willner at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- PIH Health Hospital-WhittierWhittier, CA · Acute Care Hospital · CCN 050169
Practice locations
Addresses where Julia B. Willner is enrolled with Medicare (CMS data updated 2026-10-02).
- 12401 Washington BlvdWhittier, CA 90602 (562) 698‑0811
- 12401 Washington Blvd, Suite 100Whittier, CA 90602 (562) 967‑2885
- 12675 La Mirada Blvd, Suite 201and401La Mirada, CA 90638 (562) 903‑7339
- 15082 Imperial HwyLa Mirada, CA 90638 (562) 967‑2805
Group practices
Medicare enrollment lists Julia B. Willner as a member of this group (CMS data updated 2026-10-02).
- PIH Health Physicians622 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Whittier
Clinicians with the same Medicare primary specialty in Whittier, CA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Washington School Of Medicine |
| Graduation year | 2004 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891974655 |
| 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