Harry Nguyen, DO - Medicare Internal Medicine in Orange, CA

Harry Nguyen, DO is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Orange, California. His current practice location is 101 The City Dr S, Orange, California. You can reach out to his office (for appointments etc.) via phone at (714) 456-7002.

Harry Nguyen is licensed to practice in California (license number 20A21145) 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 1003277930.

Contact Information

Harry Nguyen, DO
101 The City Dr S,
Orange, CA 92868-3201
(714) 456-7002
Not Available



Physician's Profile

Full NameHarry Nguyen
GenderMale
SpecialityInternal Medicine - Gastroenterology
Location101 The City Dr S, Orange, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1003277930
  • Provider Enumeration Date: 03/20/2016
  • Last Update Date: 11/16/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 9133410491
  • Enrollment ID: I20230724003242

Medical Identifiers

Medical identifiers for Harry Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1003277930NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 20A21145 (California)Secondary
207RI0008XInternal Medicine - Hepatology 20A21145 (California)Secondary
207RG0100XInternal Medicine - Gastroenterology 20A21145 (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. Harry Nguyen allows following entities to bill medicare on his behalf.
Entity NameUc Regents
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1760430847
PECOS PAC ID: 7416869516
Enrollment ID: O20031118000906

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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. Harry 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
Harry Nguyen, DO
101 The City Dr S Bldg 22c,
Orange, CA 92868-3201

Ph: (714) 446-2249
Harry Nguyen, DO
101 The City Dr S,
Orange, CA 92868-3201

Ph: (714) 456-7002

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Internal Medicine Doctors in Orange, CA

Michael Cheng, DO
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7110    
Millie Arora,
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, City Tower, Suite 400, Orange, CA 92868
Phone: 714-456-5691    Fax: 714-456-8874
Dr. Sarah Jeanette Ettinger, M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-5135    
Dr. Antonio Halais Frangieh, MD, MPH
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7890    
Dr. Andy Yen-tang Lee, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-7890    
Dr. Jesse John Goitia Jr., M.D.
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-880-7812    

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