Active NPI
Andy Ngoc Truong, M.D.
- Internal Medicine Physician
- Fountain Valley, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A66251
- Practice address
- 16027 Brookhurst St
G-135
Fountain Valley, CA 92708-1551 - Phone
- (714) 323-6446
- Fax
- (714) 844-9494
- NPI assigned
- Mar 24, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A66251 | CA | Primary |
Addresses
Primary practice location
16027 Brookhurst St
G-135
Fountain Valley, CA 92708-1551
Mailing address
16027 Brookhurst St
G-135
Fountain Valley, CA 92708-1551
Phone (714) 323-6446
Other identifiers 3
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00A662510 | Other | CA | CALOPTIMA ID |
| 00A662510 | Medicaid | CA | |
| A66251 | Other | CA | CALIFORNIA MED. LICENSE |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20040507000494 | CA | Practitioner - Internal Medicine | 7113916990 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Internal Medicine
- Education
- University of California, Irvine, California College of Medicine, 1996
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
722 Baker St
Costa Mesa, CA 92626-4320
Phone (714) 557-6300
Hospital & facility affiliations
- Memorialcare Saddleback Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 87.17 of 100
- Quality
- 81.15
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 71.64
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A66251 | CA | MD | Internal Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Memorialcare Medical Foundation | Internal Medicine | Current | Accepting new patients |
| Andy N Truong M.D, Inc. | Internal Medicine | Current | Accepting new patients |
| Children'S Hospital of Orange County | Past | Accepting new patients | |
| Long Beach Memorial Medical | Past | Accepting new patients | |
| Bristol Park Medical Group, Inc | Internal Medicine | Past | Accepting new patients |
| Long Beach Memorial Medical | Past | Accepting new patients | |
| Orange Coast Memorial Medical Center | Past | Accepting new patients | |
| Hospitalist Associates of Saddleback | Past | Accepting new patients |
Locations
722 Baker St
Costa Mesa, CA 92626
Phone (714) 557-6300
16027 Brookhurst St
#G135
Fountain Vly, CA 92708
Phone (714) 323-6446
17360 Brookhurst St
Fountain Vly, CA 92708
Phone (657) 241-3592
4050 Barranca Pkwy
Ste 170
Irvine, CA 92604
Phone (949) 551-1090
9302 Bolsa Ave
Westminster, CA 92683
Phone (714) 895-2466
Organizations & group practices 8
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Clinic/Center
- Fountain Valley, CA
- NPI 1205167350
CA, Internal Medicine
-
- Internal Medicine Physician
- Fountain Valley, CA
- NPI 1447211495
Internal Medicine
-
- Family Medicine Physician
- Costa Mesa, CA
- NPI 1043266760
Internal Medicine
-
- Children's Hospital
- Orange, CA
- NPI 1811080526
-
- Specialist
- Laguna Hills, CA
- NPI 1568401479
-
- Rehabilitation Hospital Unit
- Long Beach, CA
- NPI 1396791414
-
- Children's Hospital
- Long Beach, CA
- NPI 1477596583
-
- General Acute Care Hospital
- Fountain Valley, CA
- NPI 1497702575
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Laguna Hills, CA
- NPI 1275576381
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143158400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1174583033",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "16027 BROOKHURST ST",
"address_2": "G-135",
"city": "FOUNTAIN VALLEY",
"state": "CA",
"postal_code": "927081551",
"telephone_number": "714-323-6446",
"fax_number": "714-844-9494"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "16027 BROOKHURST ST",
"address_2": "G-135",
"city": "FOUNTAIN VALLEY",
"state": "CA",
"postal_code": "927081551",
"telephone_number": "714-323-6446",
"fax_number": "714-844-9494"
}
],
"practiceLocations": [],
"basic": {
"last_name": "TRUONG",
"first_name": "ANDY",
"middle_name": "NGOC",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-24",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A66251",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CALOPTIMA ID",
"identifier": "00A662510",
"state": "CA"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00A662510",
"state": "CA"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "CALIFORNIA MED. LICENSE",
"identifier": "A66251",
"state": "CA"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Fountain Valley, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.