Thai Dinh Nguyen, MD - Medicare Internal Medicine in Santa Ana, CA

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Thai Dinh Nguyen, MD is a medicare enrolled "Internal Medicine" physician in Santa Ana, California. He went to University Of Iowa, Rj & L Carver College Of Medicine and graduated in 2003 and has 23 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Theresa Thanh Ngoc Nguyen Md Inc, Family Choice Aco Inc and his current practice location is 5030 Westminster Ave, Santa Ana, California. You can reach out to his office (for appointments etc.) via phone at (714) 775-8090.

Thai Dinh Nguyen is licensed to practice in California (license number A91024) 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 1467547042.

Contact Information

Thai Dinh Nguyen, MD
5030 Westminster Ave,
Santa Ana, CA 92703-1151
(714) 775-8090
(657) 251-0494

Map and Direction




Physician's Profile

Full NameThai Dinh Nguyen
GenderMale
SpecialityInternal Medicine
Experience23 Years
Location5030 Westminster Ave, Santa Ana, 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:
  • Thai Dinh Nguyen attended and graduated from University Of Iowa, Rj & L Carver College Of Medicine in 2003
  NPI Data:
  • NPI Number: 1467547042
  • Provider Enumeration Date: 10/03/2006
  • Last Update Date: 07/20/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 1254435811
  • Enrollment ID: I20070409000568

Medical Identifiers

Medical identifiers for Thai Dinh Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1467547042NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine A91024 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Alta Home Health Care Services, Inc.Garden grove, CAHome health agency
Excellence Home Health Care Agency IncChino, CAHome health agency
Uci Health-orangeOrange, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Theresa Thanh Ngoc Nguyen Md Inc88202502932
Family Choice Aco Inc771937939560

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. Thai Dinh Nguyen allows following entities to bill medicare on his behalf.
Entity NameTheresa Thanh Ngoc Nguyen, MD, Inc.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1750667192
PECOS PAC ID: 8820250293
Enrollment ID: O20120501000230
Entity NameFamily Choice Aco Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1396416863
PECOS PAC ID: 7719379395
Enrollment ID: O20220111000260

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. Thai Dinh 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
Thai Dinh Nguyen, MD
5030 Westminster Ave,
Santa Ana, CA 92703-1151

Ph: (714) 775-8090		Thai Dinh Nguyen, MD
5030 Westminster Ave,
Santa Ana, CA 92703-1151

Ph: (714) 775-8090

Reviews and Comments


Internal Medicine Doctors in Santa Ana, CA

Theresa Thanh Ngoc Nguyen, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 5030 Westminster Ave, Santa Ana, CA 92703
Phone: 714-775-8090    Fax: 657-251-0494
Dr. Meena Kumari Meka, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2740 S Bristol St Ste 208, Santa Ana, CA 92704
Phone: 714-979-5734    Fax: 562-426-9882
Mr. Hon Yu, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 2701 S Bristol St, Santa Ana, CA 92704
Phone: 714-210-2450    Fax: 714-210-2454
Alan C Schwartz, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 2621 S Bristol St, #307, Santa Ana, CA 92704
Phone: 714-918-3070    
Quy Huu Nguyen, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1725 W 17th St, Santa Ana, CA 92706
Phone: 714-834-8017    Fax: 714-896-7316
Dr. Nabil A Phillips, M.D.
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 1100 N Tustin Ave, Suite A, Santa Ana, CA 92705
Phone: 714-542-9100    Fax: 714-542-9105
Dr. Ronald L Kaufman, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 3 Imperial Promenade, Ste 300, Santa Ana, CA 92707
Phone: 714-428-6812    Fax: 714-242-7640

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.