Tsu H Lai, MD - Medicare Internal Medicine in Irvine, CA

Tsu H Lai, MD is a medicare enrolled "Internal Medicine - Cardiovascular Disease" physician in Irvine, California. His current practice location is 8 Aristotle, Irvine, California. You can reach out to his office (for appointments etc.) via phone at (949) 725-9499.

Tsu H Lai is licensed to practice in California (license number A39956) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1528063484.

Contact Information

Tsu H Lai, MD
8 Aristotle,
Irvine, CA 92603-3619
(949) 725-9499
(949) 387-0100

Map and Direction




Physician's Profile

Full NameTsu H Lai
GenderMale
SpecialityInternal Medicine - Cardiovascular Disease
Location8 Aristotle, Irvine, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1528063484
  • Provider Enumeration Date: 06/16/2005
  • Last Update Date: 09/28/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 0941247753
  • Enrollment ID: I20050418001374

Medical Identifiers

Medical identifiers for Tsu H Lai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1528063484NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RC0000XInternal Medicine - Cardiovascular Disease A39956 (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. Tsu H Lai allows following entities to bill medicare on his behalf.
Entity NameTsu Lai, M.d., Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174672257
PECOS PAC ID: 9234176041
Enrollment ID: O20050413000690

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. Tsu H Lai 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
Tsu H Lai, MD
1127 Ebbtide Rd, Ste B,
Corona Del Mar, CA 92625-1402

Ph: (949) 706-3578
Tsu H Lai, MD
8 Aristotle,
Irvine, CA 92603-3619

Ph: (949) 725-9499

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).

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.