Dr Mladen Jecmenica, MD - Medicare Gastroenterology in Corona, CA

Dr Mladen Jecmenica, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Corona, California. He graduated from medical school in 2003 and has 21 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Mj Medical Group,inc. and his current practice location is 2097 Compton Ave Ste 103, Corona, California. You can reach out to his office (for appointments etc.) via phone at (951) 934-0505.

Dr Mladen Jecmenica is licensed to practice in California (license number MD449785) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1619102837.

Contact Information

Dr Mladen Jecmenica, MD
2097 Compton Ave Ste 103,
Corona, CA 92881-7289
(951) 934-0505
(951) 934-0505

Map and Direction




Physician's Profile

Full NameDr Mladen Jecmenica
GenderMale
SpecialityGastroenterology
Experience21 Years
Location2097 Compton Ave Ste 103, Corona, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Mladen Jecmenica graduated from medical school in 2003
  NPI Data:
  • NPI Number: 1619102837
  • Provider Enumeration Date: 05/18/2009
  • Last Update Date: 01/10/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 7810124526
  • Enrollment ID: I20210810003745

Medical Identifiers

Medical identifiers for Dr Mladen Jecmenica such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619102837NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine MD449785 (Pennsylvania)Secondary
208M00000XHospitalist MD449785 (Pennsylvania)Secondary
390200000XStudent In An Organized Health Care Education/training Program (* (Not Available))Secondary
207RG0100XInternal Medicine - Gastroenterology MD449785 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Corona Regional Medical CenterCorona, CAHospital
Memorialcare Saddleback Medical CenterLaguna hills, CAHospital
Parkview Community Hospital Medical CenterRiverside, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Mj Medical Group,inc.80222343843

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. Dr Mladen Jecmenica allows following entities to bill medicare on his behalf.
Entity NameMj Medical Group,inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699194423
PECOS PAC ID: 8022234384
Enrollment ID: O20140722001124

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. Dr Mladen Jecmenica 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
Dr Mladen Jecmenica, MD
3943 Irvine Blvd Ste 40,
Irvine, CA 92602-2400

Ph: (951) 934-0505
Dr Mladen Jecmenica, MD
2097 Compton Ave Ste 103,
Corona, CA 92881-7289

Ph: (951) 934-0505

Reviews and Comments


Internal Medicine Doctors in Corona, CA

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Mohammad Khaled Shahin, MD
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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.