Mason Shieh, MD, MBA - Medicare Emergency Medicine in West Covina, CA

Mason Shieh, MD, MBA is a medicare enrolled "Emergency Medicine" physician in West Covina, California. He went to University Of California, Irvine, California College Of Medicine and graduated in 2012 and has 12 years of diverse experience with area of expertise as Emergency Medicine. He is a member of the group practice Cep America - California and his current practice location is 1115 S Sunset Ave, West Covina, California. You can reach out to his office (for appointments etc.) via phone at (626) 962-4011.

Mason Shieh is licensed to practice in California (license number A134394) 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 1467718486.

Contact Information

Mason Shieh, MD, MBA
1115 S Sunset Ave,
West Covina, CA 91790-3940
(626) 962-4011
Not Available

Map and Direction




Physician's Profile

Full NameMason Shieh
GenderMale
SpecialityEmergency Medicine
Experience12 Years
Location1115 S Sunset Ave, West Covina, 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:
  • Mason Shieh attended and graduated from University Of California, Irvine, California College Of Medicine in 2012
  NPI Data:
  • NPI Number: 1467718486
  • Provider Enumeration Date: 04/03/2012
  • Last Update Date: 11/24/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 5092027292
  • Enrollment ID: I20150630002834

Medical Identifiers

Medical identifiers for Mason Shieh such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467718486NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207P00000XEmergency Medicine A134394 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Lakewood Regional Medical CenterLakewood, CAHospital
Los Alamitos Medical CenterLos alamitos, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Cep America - California6103739131954

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. Mason Shieh allows following entities to bill medicare on his behalf.
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1023063542
PECOS PAC ID: 6103739131
Enrollment ID: O20031106000520
Entity NameCep America - California
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1548667843
PECOS PAC ID: 6103739131
Enrollment ID: O20040121000458

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. Mason Shieh 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
Mason Shieh, MD, MBA
1115 S Sunset Ave,
West Covina, CA 91790-3940

Ph: () -
Mason Shieh, MD, MBA
1115 S Sunset Ave,
West Covina, CA 91790-3940

Ph: (626) 962-4011

Reviews and Comments


Emergency Medicine Doctors in West Covina, CA

James Lawrence Vella, PA-C
Emergency Medicine
Medicare: Medicare Enrolled
Practice Location: 1115 S Sunset Ave, West Covina, CA 91790
Phone: 626-814-2534    
Robert Rouzier, MD
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1115 S Sunset Ave, West Covina, CA 91790
Phone: 626-814-2434    
Daniel Solomin, D.O.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1115 S Sunset Ave, West Covina, CA 91790
Phone: 626-962-4011    
Lane Braver, PA
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1115 S Sunset Ave, West Covina, CA 91790
Phone: 626-814-2434    
Denis J Kollar, MD
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1115 S Sunset Ave, West Covina, CA 91790
Phone: 626-814-2434    
Gilbert Benitez, PA
Emergency Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1115 S Sunset Ave, West Covina, CA 91790
Phone: 626-814-2434    
Dr. Edmund James Nichter, M.D.
Emergency Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1115 S Sunset Ave, West Covina, CA 91790
Phone: 626-858-8515    

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.