Theresa Thanh Ngoc Nguyen, MD, Inc.
NPI 1386863454 · Medical Specialty Clinic/Center · Westminster, CA
Theresa Thanh Ngoc Nguyen, MD, Inc. is a Medical Specialty Clinic/Center organization in Westminster, CA (NPI 1386863454).
Provider details
- NPI number
- 1386863454
- Entity type
- Organization
- Primary specialty
- Medical Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Theresa Thanh Nguyen, Owner(714) 775-8090
- License
- A61129 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-04-25
- Last updated
- 2010-07-09
Frequently asked questions
- What is Theresa Thanh Ngoc Nguyen, MD, Inc.'s NPI number?
- Theresa Thanh Ngoc Nguyen, MD, Inc.'s National Provider Identifier (NPI) is 1386863454, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Theresa Thanh Ngoc Nguyen, MD, Inc.?
- Theresa Thanh Ngoc Nguyen, MD, Inc. is classified in the NPPES registry as Medical Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Theresa Thanh Ngoc Nguyen, MD, Inc. located?
- Theresa Thanh Ngoc Nguyen, MD, Inc.'s practice location on file with NPPES is 15556 Brookhurst St, Westminster, CA 92683-7571.
- What is Theresa Thanh Ngoc Nguyen, MD, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Theresa Thanh Ngoc Nguyen, MD, Inc. is (714) 775-8090.
- Who is the authorized official for Theresa Thanh Ngoc Nguyen, MD, Inc.?
- The authorized official listed on Theresa Thanh Ngoc Nguyen, MD, Inc.'s NPPES record is Theresa Thanh Nguyen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Theresa Thanh Ngoc Nguyen, MD, Inc.'s NPI active?
- Yes — Theresa Thanh Ngoc Nguyen, MD, Inc.'s NPI (1386863454) is active in the NPPES registry as of the last update on 2010-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.