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Obstetrics/Gynecology

Mary Olender, MD

Works at hospitals in West Hills, CA · California

Summary

Mary Olender, MD (Obstetrics/Gynecology) is listed by Medicare at 1 hospital in West Hills, CA. NPI 1922199504. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Olender, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Obstetrics/GynecologyPrimary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
FemaleGender (as listed)

Quick answers

Which hospitals does Mary Olender work at?
Medicare's official clinician data lists Mary Olender at 1 hospital: UCLA West Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mary Olender see patients?
Medicare's clinician data lists 1 practice location in West Hills, CA. Call before your visit to confirm the address.
What is Mary Olender's specialty?
Medicare lists Obstetrics/Gynecology as the primary specialty.
Does Mary Olender accept Medicare assignment?
Yes. Medicare's clinician data says Mary Olender 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 Mary Olender's NPI number?
1922199504. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mary Olender works

Medicare's Facility Affiliation Data lists Mary Olender at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mary Olender is enrolled with Medicare (CMS data updated 2026-10-02).

  • 23101 Sherman Pl, Suite 301West Hills, CA 91307

Specialties

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in West Hills

Clinicians with the same Medicare primary specialty in West Hills, CA — not a recommendation.

All OB-GYNs in West Hills →

Clinician information

CredentialMD
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1922199504
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians