Dr Thomas Boo-hun Choi, MD - Medicare Ophthalmology in Downey, CA

Dr Thomas Boo-hun Choi, MD is a medicare enrolled "Ophthalmology" physician in Downey, California. He went to University Of California, Geffen School Of Medicine and graduated in 1989 and has 35 years of diverse experience with area of expertise as Ophthalmology. His current practice location is 10800 Paramount Blvd, Suite 304, Downey, California. You can reach out to his office (for appointments etc.) via phone at (562) 622-3937.

Dr Thomas Boo-hun Choi is licensed to practice in California (license number G69677) 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 1477555985.

Contact Information

Dr Thomas Boo-hun Choi, MD
10800 Paramount Blvd, Suite 304,
Downey, CA 90241-3331
(562) 622-3937
(562) 622-0040

Map and Direction




Physician's Profile

Full NameDr Thomas Boo-hun Choi
GenderMale
SpecialityOphthalmology
Experience35 Years
Location10800 Paramount Blvd, Downey, 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 Thomas Boo-hun Choi attended and graduated from University Of California, Geffen School Of Medicine in 1989
  NPI Data:
  • NPI Number: 1477555985
  • Provider Enumeration Date: 08/15/2005
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 6204928963
  • Enrollment ID: I20070825000090

Medical Identifiers

Medical identifiers for Dr Thomas Boo-hun Choi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477555985NPI-NPPES
00G696770MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207W00000XOphthalmology G69677 (California)Primary

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 Thomas Boo-hun Choi allows following entities to bill medicare on his behalf.
Entity NameThomas B Choi Md Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1932126745
PECOS PAC ID: 8022100783
Enrollment ID: O20070825000093

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 Thomas Boo-hun Choi 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 Thomas Boo-hun Choi, MD
10800 Paramount Blvd, Suite 304,
Downey, CA 90241-3331

Ph: (562) 622-3937
Dr Thomas Boo-hun Choi, MD
10800 Paramount Blvd, Suite 304,
Downey, CA 90241-3331

Ph: (562) 622-3937

Reviews and Comments


Ophthalmology Doctors in Downey, CA

Dr. Marc Segall, M.D.
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Practice Location: 11411 Brookshire Ave, Downey, CA 90241
Phone: 562-862-7347    Fax: 562-862-4178
Amy Hsieh Mccluskey, MD
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Practice Location: 9449 Imperial Hwy, Building B, Downey, CA 90242
Phone: 562-657-2125    
Dr. Annie K. Lim, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 9449 Imperial Hwy, Downey, CA 90242
Phone: 562-657-9000    
Dr. Joseph K W Hsu, MD
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 8333 Iowa St, #202, Downey, CA 90241
Phone: 562-861-7291    Fax: 562-923-4617
Brian M. Brown, M.D.
Ophthalmology
Medicare: Accepting Medicare Assignments
Practice Location: 10933 Lakewood Blvd, Downey, CA 90241
Phone: 562-904-1989    

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.