Theresa Thao Nguyen, - Medicare Dietitian in Orange, CA

Theresa Thao Nguyen, is a medicare enrolled "Dietitian, Registered - Nutrition, Renal" provider in Orange, California. Her current practice location is 333 City Blvd W Ste 400, Orange, California. You can reach out to her office (for appointments etc.) via phone at (714) 456-7715.

Theresa Thao Nguyen is licensed to practice in * (Not Available) (license number ) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1619487311.

Contact Information

Theresa Thao Nguyen,
333 City Blvd W Ste 400,
Orange, CA 92868-2994
(714) 456-7715
Not Available

Map and Direction




Healthcare Provider's Profile

Full NameTheresa Thao Nguyen
GenderFemale
SpecialityDietitian, Registered - Nutrition, Renal
Location333 City Blvd W Ste 400, Orange, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1619487311
  • Provider Enumeration Date: 10/07/2017
  • Last Update Date: 03/17/2018
  Medicare PECOS Information:
  • PECOS PAC ID: 4082973532
  • Enrollment ID: I20180109002072

Medical Identifiers

Medical identifiers for Theresa Thao Nguyen such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1619487311NPI-NPPES
01OtherCAOTHER

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
133VN1005XDietitian, Registered - Nutrition, Renal (* (Not Available))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. Theresa Thao Nguyen allows following entities to bill medicare on her behalf.
Provider NameUc Regents
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1760430847
PECOS PAC ID: 7416869516
Enrollment ID: O20031118000906

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. Theresa Thao 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
Theresa Thao Nguyen,
333 City Blvd W Ste 400,
Orange, CA 92868-2994

Ph: (714) 456-7715
Theresa Thao Nguyen,
333 City Blvd W Ste 400,
Orange, CA 92868-2994

Ph: (714) 456-7715

Reviews and Comments


Dietitian, Registered in Orange, CA

Amber Isenhart, MS, RD
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 101 The City Dr S Bldg 22c, Route 207, Orange, CA 92868
Phone: 714-456-2265    
Sharron Marie Diot, RD
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-5539    
Varith Yimlamai, R.D.
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 2203 W Almond Ave, Orange, CA 92868
Phone: 714-376-1860    
Elena Metchikoff, R.D.
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 714-456-5539    
Mrs. Katherine Serge Sarbu, RD
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 101 The City Dr S, Nutrition Services, Nuh Building 1, Room 1824, Orange, CA 92868
Phone: 714-456-5539    Fax: 714-456-8181
Keri Pini, RD
Dietitian
Medicare: Medicare Enrolled
Practice Location: 850 W Town And Country Rd Unit 340, Orange, CA 92868
Phone: 570-801-1679    
Elyse Carolyn Skelton, RD
Dietitian
Medicare: Not Enrolled in Medicare
Practice Location: 101 The City Dr S, Orange, CA 92868
Phone: 661-992-6382    

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.