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 Riverside County Medical Services A Medical Corporation 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



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
Riverside County Medical Services A Medical Corporation983049636328

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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

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Entity NameRiverside County Medical Services A Medical Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1790140309
PECOS PAC ID: 9830496363
Enrollment ID: O20160329002072

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Entity NamePalomar Emergency Physicians, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1124698139
PECOS PAC ID: 9830593730
Enrollment ID: O20210813000628

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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

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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    

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