Duke H Nguyen, MD - Medicare Gastroenterology in Fountain Valley, CA

Duke H Nguyen, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Fountain Valley, California. He graduated from medical school in 1996 and has 28 years of diverse experience with area of expertise as Gastroenterology. His current practice location is 9900 Talbert Ave, Ste 100, Fountain Valley, California. You can reach out to his office (for appointments etc.) via phone at (714) 378-7390.

Duke H Nguyen is licensed to practice in California (license number A72508) 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 1679557797.

Contact Information

Duke H Nguyen, MD
9900 Talbert Ave, Ste 100,
Fountain Valley, CA 92708-5153
(714) 378-7390
(714) 378-7290

Map and Direction




Physician's Profile

Full NameDuke H Nguyen
GenderMale
SpecialityGastroenterology
Experience28 Years
Location9900 Talbert Ave, Fountain Valley, 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:
  • Duke H Nguyen graduated from medical school in 1996
  NPI Data:
  • NPI Number: 1679557797
  • Provider Enumeration Date: 12/01/2005
  • Last Update Date: 03/19/2010
  Medicare PECOS Information:
  • PECOS PAC ID: 2567453541
  • Enrollment ID: I20100217000314

Medical Identifiers

Medical identifiers for Duke H Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1679557797NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology A72508 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Memorialcare Orange Coast Medical CenterFountain valley, CAHospital

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. Duke H Nguyen allows following entities to bill medicare on his behalf.
Entity NameOrange County Digestive Care Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699091074
PECOS PAC ID: 6507059102
Enrollment ID: O20101014001177

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. Duke H Nguyen 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
Duke H Nguyen, MD
9900 Talbert Ave, Ste 100,
Fountain Valley, CA 92708-5153

Ph: (714) 378-7390
Duke H Nguyen, MD
9900 Talbert Ave, Ste 100,
Fountain Valley, CA 92708-5153

Ph: (714) 378-7390

Reviews and Comments


Internal Medicine Doctors in Fountain Valley, CA

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Phone: 714-549-1300    Fax: 714-433-3100
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Kien-an Duong, MD
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Phone: 714-549-1300    Fax: 714-433-3100
Mr. Satinder Swaroop, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 11180 Warner Ave, Suite #353, Fountain Valley, CA 92708
Phone: 714-751-3540    Fax: 714-751-5626
Yu-ming Ni, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 18111 Brookhurst St Ste 5100, Fountain Valley, CA 92708
Phone: 714-546-2238    

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.