Zeljka Helena Kostich, MD - Medicare Emergency Medicine in Wildomar, CA

Zeljka Helena Kostich, MD is a medicare enrolled "Emergency Medicine" physician in Wildomar, California. She went to Tulane University School Of Medicine and graduated in 1993 and has 31 years of diverse experience with area of expertise as Emergency Medicine. She is a member of the group practice Em Alliance California Apc and her current practice location is 36485 Inland Valley Dr, Wildomar, California. You can reach out to her office (for appointments etc.) via phone at (951) 677-1111.

Zeljka Helena Kostich is licensed to practice in California (license number A71520) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1487698114.

Contact Information

Zeljka Helena Kostich, MD
36485 Inland Valley Dr,
Wildomar, CA 92595-9681
(951) 677-1111
Not Available

Map and Direction




Physician's Profile

Full NameZeljka Helena Kostich
GenderFemale
SpecialityEmergency Medicine
Experience31 Years
Location36485 Inland Valley Dr, Wildomar, California
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Zeljka Helena Kostich attended and graduated from Tulane University School Of Medicine in 1993
  NPI Data:
  • NPI Number: 1487698114
  • Provider Enumeration Date: 06/15/2006
  • Last Update Date: 02/28/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 5799728978
  • Enrollment ID: I20050608000736

Medical Identifiers

Medical identifiers for Zeljka Helena Kostich such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1487698114NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A71520 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Southwest Healthcare SystemMurrieta, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Em Alliance California Apc195174989442

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Zeljka Helena Kostich allows following entities to bill medicare on her behalf.
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520
Entity NamePalomar Emergency Physicians, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124698139
PECOS PAC ID: 9830593730
Enrollment ID: O20210813000628
Entity NameEm Alliance California Apc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1376305755
PECOS PAC ID: 1951749894
Enrollment ID: O20240410003580

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Zeljka Helena Kostich is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Zeljka Helena Kostich, MD
2100 Powell Street, Ste 920,
Emeryville, CA 94608-1803

Ph: (510) 350-2777
Zeljka Helena Kostich, MD
36485 Inland Valley Dr,
Wildomar, CA 92595-9681

Ph: (951) 677-1111

Reviews and Comments


Emergency Medicine Doctors in Wildomar, CA

Steven S Kim, M.D.
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 36485 Inland Valley Dr, Wildomar, CA 92595
Phone: 909-677-9773    
Dr. A Alex Davila, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 36485 Inland Valley Dr, Wildomar, CA 92595
Phone: 951-677-9773    
Brent Jacobsen, D.O
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 36485 Inland Valley Dr, Wildomar, CA 92595
Phone: 909-677-9773    
Bret E Ginther, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 36485 Inland Valley Dr, Wildomar, CA 92595
Phone: 909-677-9773    
Zeke Foster,
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 36485 Inland Valley Dr, Wildomar, CA 92595
Phone: 951-677-1111    
Dr. Edwin F Lopez, M.D., F.A.C.E.P.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 36485 Inland Valley Dr, Wildomar, CA 92595
Phone: 951-667-1111    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.