William Loi Ngo, DO - Medicare Family Medicine in Garden Grove, CA

William Loi Ngo, DO is a medicare enrolled "Family Medicine - Geriatric Medicine" physician in Garden Grove, California. His current practice location is 8342 Garden Grove Blvd Ste 5, Garden Grove, California. You can reach out to his office (for appointments etc.) via phone at (714) 590-4899.

William Loi Ngo is licensed to practice in California (license number 20A6015) 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 1932161189.

Contact Information

William Loi Ngo, DO
8342 Garden Grove Blvd Ste 5,
Garden Grove, CA 92844-1192
(714) 590-4899
(714) 590-1833

Map and Direction




Physician's Profile

Full NameWilliam Loi Ngo
GenderMale
SpecialityFamily Medicine - Geriatric Medicine
Location8342 Garden Grove Blvd Ste 5, Garden Grove, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1932161189
  • Provider Enumeration Date: 04/04/2006
  • Last Update Date: 05/16/2008
  Medicare PECOS Information:
  • PECOS PAC ID: 4789617366
  • Enrollment ID: I20050915000375

Medical Identifiers

Medical identifiers for William Loi Ngo such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932161189NPI-NPPES
20A6015MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207QG0300XFamily Medicine - Geriatric Medicine 20A6015 (California)Primary

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. William Loi Ngo 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
William Loi Ngo, DO
8342 Garden Grove Blvd Ste 5,
Garden Grove, CA 92844-1192

Ph: (714) 590-4899
William Loi Ngo, DO
8342 Garden Grove Blvd Ste 5,
Garden Grove, CA 92844-1192

Ph: (714) 590-4899

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.