Dr May Jim Yen, MD - Medicare Emergency Medicine in Glendale, CA

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Dr May Jim Yen, MD is a medicare enrolled "Emergency Medicine" physician in Glendale, California. He went to University Of Maryland School Of Medicine and graduated in 2006 and has 19 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Gem Medical Group Corporation, Regents Of The University Of and his current practice location is 413 S Central Ave, Suite A153, Glendale, California. You can reach out to his office (for appointments etc.) via phone at (213) 255-5231.

Dr May Jim Yen is licensed to practice in California (license number A102911) 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 1326227232.

Contact Information

Dr May Jim Yen, MD
413 S Central Ave, Suite A153,
Glendale, CA 91204-1640
(213) 255-5231
Not Available

Map and Direction




Physician's Profile

Full NameDr May Jim Yen
GenderMale
SpecialityEmergency Medicine
Experience19 Years
Location413 S Central Ave, Glendale, 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 May Jim Yen attended and graduated from University Of Maryland School Of Medicine in 2006
  NPI Data:
  • NPI Number: 1326227232
  • Provider Enumeration Date: 10/26/2007
  • Last Update Date: 08/03/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6709912983
  • Enrollment ID: I20100326000410

Medical Identifiers

Medical identifiers for Dr May Jim Yen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1326227232NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A102911 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Los Alamitos Medical CenterLos alamitos, CAHospital
University Of California Irvine Medical CenterOrange, CAHospital
Greater El Monte Community HospitalSouth el monte, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Gem Medical Group Corporation307298440055
Regents Of The University Of751786960598

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 May Jim Yen allows following entities to bill medicare on his behalf.
Entity NameMission Viejo Emergency Medical Associates
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073542916
PECOS PAC ID: 2163335241
Enrollment ID: O20031106000308
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520
Entity NameRegents Of The University Of
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154379394
PECOS PAC ID: 7517869605
Enrollment ID: O20040120001119
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548667843
PECOS PAC ID: 6103739131
Enrollment ID: O20040121000458
Entity NameGolden West Emergency Medical Associates, Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1053680298
PECOS PAC ID: 8628098936
Enrollment ID: O20051201000582
Entity NameMission Viejo Emergency Medical Associates, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1134355597
PECOS PAC ID: 7315090271
Enrollment ID: O20090725000046
Entity NameGem Medical Group Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1689364721
PECOS PAC ID: 3072984400
Enrollment ID: O20230124000274

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 May Jim Yen 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 May Jim Yen, MD
833 Americana Way, Unit 225,
Glendale, CA 91210-1529

Ph: (213) 255-5231		Dr May Jim Yen, MD
413 S Central Ave, Suite A153,
Glendale, CA 91204-1640

Ph: (213) 255-5231

Reviews and Comments


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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).

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