Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Zeljka Helena Kostich, MD

Individual provider Emergency Medicine Physician · NPI 1487698114

Zeljka Helena Kostich, MD is an Emergency Medicine in Wildomar, California. Graduated from Tulane University School of Medicine in 1993, 33 years ago. Practices with Em Alliance California APC, a 70-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
33
Trained at
Tulane University School of Medicine
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

36485 Inland Valley Dr
Wildomar, CA 92595-9681
Phone: (951) 677-1111
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 25500 Medical Center Dr, Murrieta, CA 92562-5965 — (951) 696-6000

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence A71520 (CA)

Record details

NPI number1487698114
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESFebruary 28, 2024
Certification dateFebruary 28, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyEMERGENCY MEDICINE
Medical schoolTULANE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1993 (33 years in practice)
Group practice Em Alliance California Apc — 70 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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