Dr Alvin Y Au, MD FACG - Medicare Gastroenterology in Hanford, CA

Dr Alvin Y Au, MD FACG is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Hanford, California. He went to University Of Texas Medical School At San Antonio and graduated in 1983 and has 41 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Advanced Digestive Medical Center Corp and his current practice location is 1360 Bailey Dr, Hanford, California. You can reach out to his office (for appointments etc.) via phone at (559) 584-6499.

Dr Alvin Y Au is licensed to practice in California (license number A45911) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1477639193.

Contact Information

Dr Alvin Y Au, MD FACG
1360 Bailey Dr,
Hanford, CA 93230-5921
(559) 584-6499
(559) 584-8124

Map and Direction




Physician's Profile

Full NameDr Alvin Y Au
GenderMale
SpecialityGastroenterology
Experience41 Years
Location1360 Bailey Dr, Hanford, California
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Alvin Y Au attended and graduated from University Of Texas Medical School At San Antonio in 1983
  NPI Data:
  • NPI Number: 1477639193
  • Provider Enumeration Date: 10/27/2006
  • Last Update Date: 03/10/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 6305901422
  • Enrollment ID: I20090224000356

Medical Identifiers

Medical identifiers for Dr Alvin Y Au such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1477639193NPI-NPPES
00A459110MedicaidCA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A45911 (California)Primary
207RI0008XInternal Medicine - Hepatology A45911 (California)Secondary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Adventist Health HanfordHanford, CAHospital
Kaweah Delta Medical CenterVisalia, CAHospital
Adventist Health TulareTulare, CAHospital
Sierra View Medical CenterPorterville, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advanced Digestive Medical Center Corp52948903152

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 Alvin Y Au allows following entities to bill medicare on his behalf.
Entity NameAdvanced Digestive Medical Center Corp
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1578716098
PECOS PAC ID: 5294890315
Enrollment ID: O20090224000375

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 Alvin Y Au 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 Alvin Y Au, MD FACG
1360 Bailey Dr,
Hanford, CA 93230-5921

Ph: (559) 584-6499
Dr Alvin Y Au, MD FACG
1360 Bailey Dr,
Hanford, CA 93230-5921

Ph: (559) 584-6499

Reviews and Comments


Internal Medicine Doctors in Hanford, CA

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Dr. Asela Wickremasinghe, M.D.
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Phone: 559-410-8404    Fax: 559-763-4564

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.