Irena A Tsui, MD - Medicare Ophthalmology in Los Angeles, CA

Irena A Tsui, MD is a medicare enrolled "Ophthalmology" physician in Los Angeles, California. She went to Perelman School Of Med At The University Of Pennsylvania and graduated in 2004 and has 20 years of diverse experience with area of expertise as Ophthalmology. She is a member of the group practice Jules Stein Eye Institute Medical Group and her current practice location is 100 Stein Plaza, Rm# 1-340, Los Angeles, California. You can reach out to her office (for appointments etc.) via phone at (310) 206-1166.

Irena A Tsui is licensed to practice in California (license number A103523) 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 1306023973.

Contact Information

Irena A Tsui, MD
100 Stein Plaza, Rm# 1-340,
Los Angeles, CA 90095-0000
(310) 206-1166
Not Available

Map and Direction




Physician's Profile

Full NameIrena A Tsui
GenderFemale
SpecialityOphthalmology
Experience20 Years
Location100 Stein Plaza, Los Angeles, 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:
  • Irena A Tsui attended and graduated from Perelman School Of Med At The University Of Pennsylvania in 2004
  NPI Data:
  • NPI Number: 1306023973
  • Provider Enumeration Date: 01/26/2008
  • Last Update Date: 01/14/2009
  Medicare PECOS Information:
  • PECOS PAC ID: 7719051689
  • Enrollment ID: I20080811000707

Medical Identifiers

Medical identifiers for Irena A Tsui such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306023973NPI-NPPES
0A1035230MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology A103523 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ronald Reagan Ucla Medical CenterLos angeles, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Jules Stein Eye Institute Medical Group5597663740102

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. Irena A Tsui allows following entities to bill medicare on her behalf.
Entity NameJules Stein Eye Institute Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1326006966
PECOS PAC ID: 5597663740
Enrollment ID: O20031223000884

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. Irena A Tsui 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
Irena A Tsui, MD
5767 West Century Blvd., Suite 200,
Los Angeles, CA 90045-5655

Ph: (310) 301-8708
Irena A Tsui, MD
100 Stein Plaza, Rm# 1-340,
Los Angeles, CA 90095-0000

Ph: (310) 206-1166

Reviews and Comments


Ophthalmology Doctors in Los Angeles, CA

Victoria Li-ting Tseng, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 200 Stein Plaza #1-340, Los Angeles, CA 90095
Phone: 310-825-5000    
Peter Dentone, MD
Ophthalmology
Medicare: Not Enrolled in Medicare
Practice Location: 200 Stein Plaza #1-340, Los Angeles, CA 90095
Phone: 310-825-5000    
Michael Myung-sup Han,
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 1450 San Pablo St, Los Angeles, CA 90033
Phone: 323-442-6335    Fax: 714-456-8874
Kristin Elizabeth Nesburn, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 8635 W 3rd Street, #390w, Los Angeles, CA 90048
Phone: 310-652-1133    Fax: 310-652-4353
Dr. Stanley S. Kim, M.D.
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 3663 W 6th St, Suite #200, Los Angeles, CA 90020
Phone: 213-385-8500    Fax: 213-385-4896
Homayoun Tabandeh, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 1245 Wilshire Blvd, 380, Los Angeles, CA 90017
Phone: 213-483-8810    Fax: 213-481-1503
Arnold Barron, MD
Ophthalmology
Medicare: Medicare Enrolled
Practice Location: 4733 W Sunset Blvd, Los Angeles, CA 90027
Phone: 323-783-4011    

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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