Alexander Chuong Nguyen, D.O.
Internal Medicine (CMS) · Irvine, CA
At a glance
11 Technology Dr, Irvine, CA 92618-2302
Published activity: Upper gastrointestinal (GI) endoscopy for acid reflux. View counts and coverage
NPPES record updated Jan 4, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
11 Technology DrIrvine, CA 92618-2302
Additional reported practice locations
1880 N Orange Grove AvePomona, CA 917673006
Phone: 9096307158
Fax: 9096307983 100 E Valencia Mesa Dr
Fullerton, CA 928353813
Phone: 7144475027 9920 Talbert Ave
Fountain Valley, CA 927085153
Phone: 7143787000 1680 E 120Th St
Los Angeles, CA 900593026
Phone: 4243388000 1798 N Garey Ave
Pomona, CA 917672918
Phone: 9098657251
Education & affiliations
- Medical / professional school
- Touro Un Col Of Osteopathic Medicine, Henderson
- Graduation year
- 2014
- CMS specialties
- Internal Medicine
Practice groups
Reported hospital affiliations
- Martin Luther King, Jr. Community Hospital Los Angeles, CA
- Providence St. Jude Medical Center Fullerton, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Upper gastrointestinal (GI) endoscopy for acid reflux | 1-10 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $613.43 |
Reporting companies
| Company | Amount |
|---|---|
| KESTRA MEDICAL TECHNOLOGY SERVICES, INC. | $323.72 |
| UCB, INC. | $124.26 |
| PFIZER INC. | $114.70 |
| ZOLL SERVICES LLC (A/K/A ZOLL LIFECOR CORP) | $50.75 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Internal Medicine (CMS)
- Taxonomy code
- 208M00000X
- Enumeration date
- Apr 28, 2014
- Record updated
- Jan 4, 2026
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- ALEX CHUONG NGUYEN
- Reported credentials
- D.O.
Reported taxonomies and licenses
208M00000X · Primary
License reported: 20A14372 CA
207R00000X
License reported: 20A14372 CA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
11 Technology DrIrvine, CA 92618-2302
- Phone
- (949) 923-3200
Mailing address
PO BOX 35380LAS VEGAS, NV 891335380
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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