Dr Ruth Tang, OD - Medicare Optometrist in Irvine, CA

Dr Ruth Tang, OD is a medicare enrolled "Optometrist - Corneal And Contact Management" provider in Irvine, California. Her current practice location is 17585 Harvard Avenue, Suite E, Irvine, California. You can reach out to her office (for appointments etc.) via phone at (949) 477-2424.

Dr Ruth Tang is licensed to practice in California (license number OP10173) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1043283500.

Contact Information

Dr Ruth Tang, OD
17585 Harvard Avenue, Suite E,
Irvine, CA 92614
(949) 477-2424
(949) 477-2444

Map and Direction




Healthcare Provider's Profile

Full NameDr Ruth Tang
GenderFemale
SpecialityOptometrist - Corneal And Contact Management
Location17585 Harvard Avenue, Irvine, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1043283500
  • Provider Enumeration Date: 02/07/2006
  • Last Update Date: 06/04/2013
  Medicare PECOS Information:
  • PECOS PAC ID: 6709001019
  • Enrollment ID: I20140630001238

Medical Identifiers

Medical identifiers for Dr Ruth Tang such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1043283500NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
152WC0802XOptometrist - Corneal And Contact Management OP10173 (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 Ruth Tang allows following entities to bill medicare on her behalf.
Provider NameThird Optometric Care Of California
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1013516103
PECOS PAC ID: 8325456536
Enrollment ID: O20210427002381

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 Ruth Tang 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 Ruth Tang, OD
17585 Harvard Avenue, Suite E,
Irvine, CA 92614

Ph: (949) 477-2424
Dr Ruth Tang, OD
17585 Harvard Avenue, Suite E,
Irvine, CA 92614

Ph: (949) 477-2424

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.