Dr Tom Y Yi, DO - Medicare Family Practice in Pasadena, CA

Dr Tom Y Yi, DO is a medicare enrolled "Family Medicine" physician in Pasadena, California. He graduated from medical school in 1999 and has 25 years of diverse experience with area of expertise as Family Practice. His current practice location is 127 N Madison Ave, Pasadena, California. You can reach out to his office (for appointments etc.) via phone at (626) 449-9800.

Dr Tom Y Yi is licensed to practice in California (license number 20A8711) and he also participates in the medicare program. He may accept medicare assignments (which means he may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and his NPI Number is 1336198514.

Contact Information

Dr Tom Y Yi, DO
127 N Madison Ave,
Pasadena, CA 91101-1750
(626) 449-9800
(626) 449-3939

Map and Direction




Physician's Profile

Full NameDr Tom Y Yi
GenderMale
SpecialityFamily Practice
Experience25 Years
Location127 N Madison Ave, Pasadena, California
Accepts Medicare AssignmentsMay be. He may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Tom Y Yi graduated from medical school in 1999
  NPI Data:
  • NPI Number: 1336198514
  • Provider Enumeration Date: 05/08/2006
  • Last Update Date: 07/08/2007
  Medicare PECOS Information:
  • PECOS PAC ID: 5092762120
  • Enrollment ID: I20050331001120

Medical Identifiers

Medical identifiers for Dr Tom Y Yi such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1336198514NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207Q00000XFamily Medicine 20A8711 (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 Tom Y Yi allows following entities to bill medicare on his behalf.
Entity NameThe Huntington Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1154467181
PECOS PAC ID: 4587631601
Enrollment ID: O20040923000968
Entity NameTom Yi, D.o. Professional Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1508970245
PECOS PAC ID: 6204933302
Enrollment ID: O20070524000568

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 Tom Y Yi 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 Tom Y Yi, DO
127 N Madison Ave,
Pasadena, CA 91101-1750

Ph: (626) 449-9800
Dr Tom Y Yi, DO
127 N Madison Ave,
Pasadena, CA 91101-1750

Ph: (626) 449-9800

Reviews and Comments


Family Medicine Doctors in Pasadena, CA

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Alina Ter-grigorian, NP
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Phone: 626-316-3008    

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.