Dr Elizabeth Tsai, DO - Medicare Internal Medicine in Tustin, CA

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Dr Elizabeth Tsai, DO is a medicare enrolled "Internal Medicine" physician in Tustin, California. She graduated from medical school in 2004 and has 20 years of diverse experience with area of expertise as Internal Medicine. She is a member of the group practice Memorialcare Medical Foundation and her current practice location is 2742 Dow Ave, Tustin, California. You can reach out to her office (for appointments etc.) via phone at (714) 665-1600.

Dr Elizabeth Tsai is licensed to practice in Michigan (license number 5101016023) 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 1629284971.

Contact Information

Dr Elizabeth Tsai, DO
2742 Dow Ave,
Tustin, CA 92780-7242
(714) 665-1600
Not Available

Map and Direction




Physician's Profile

Full NameDr Elizabeth Tsai
GenderFemale
SpecialityInternal Medicine
Experience20 Years
Location2742 Dow Ave, Tustin, 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:
  • Dr Elizabeth Tsai graduated from medical school in 2004
  NPI Data:
  • NPI Number: 1629284971
  • Provider Enumeration Date: 05/15/2007
  • Last Update Date: 08/23/2011
  Medicare PECOS Information:
  • PECOS PAC ID: 9638257991
  • Enrollment ID: I20080428000184

Medical Identifiers

Medical identifiers for Dr Elizabeth Tsai such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1629284971NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 5101016023 (Michigan)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorialcare Saddleback Medical CenterLaguna hills, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Memorialcare Medical Foundation8729277314384

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 Elizabeth Tsai allows following entities to bill medicare on her behalf.
Entity NameMemorialcare Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1205167350
PECOS PAC ID: 8729277314
Enrollment ID: O20110113000219

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 Elizabeth Tsai 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 Elizabeth Tsai, DO
2742 Dow Ave,
Tustin, CA 92780-7242

Ph: (714) 665-1600		Dr Elizabeth Tsai, DO
2742 Dow Ave,
Tustin, CA 92780-7242

Ph: (714) 665-1600

Reviews and Comments


Internal Medicine Doctors in Tustin, CA

Dr. Huong T Duong, M.D.
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Dr. Susan L Ban, M.D.
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Jeremy Lam, M.D.
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Dr. Thomas C Hwang, M.D.
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Dr. James A Grimes, M.D.
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Dr. Pin-hung Hsieh, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 13522 Newport Ave Ste 102, Tustin, CA 92780
Phone: 714-573-8200    Fax: 714-573-9401
Madonna A Nicolai, CFNP
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Practice Location: 14351 Myford Rd, Suite B, Tustin, CA 92780
Phone: 714-550-9990    Fax: 714-550-1226

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.