Trong Nguyen, MD
NPI 1427221134 · Sports Medicine (Orthopaedic Surgery) Physician · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trong Nguyen, MD is a Sports Medicine (Orthopaedic Surgery) Physician provider in Fountain Valley, CA (NPI 1427221134).
Provider details
- NPI number
- 1427221134
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Orthopaedic Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- A99679 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
560 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 258 | $144 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 138 | $187 |
| Aspiration And/Or Injection of Fluid Large Joint Using Ultrasound Guidance20611 | 52 | $135 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 31 | $77 |
| Computer-Assisted Surgery for Muscle and Bone Procedure20985 | 18 | $154 |
| Training in the Use of Orthopedic Device for Arm, Leg And/Or Trunk, Each 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 7 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 335 | 141 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 122 | 67 |
| Gabapentin | 54 | 14 |
| Celecoxib | 20 | — |
| Tramadol Hcl | 19 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 16 | 11 |
| Amoxicillin | 14 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$270 across 5 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 18111 Brookhurst StSte#5800Fountain Valley, CA 92708-6728Phone: (714) 861-4888Fax: (714) 861-4777
Registry dates
- Enumerated
- 2008-04-02
- Last updated
- 2018-03-17
Frequently asked questions
- What is Trong Nguyen's NPI number?
- Trong Nguyen's National Provider Identifier (NPI) is 1427221134, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trong Nguyen's specialty?
- Trong Nguyen is listed in the NPPES registry with a primary specialty of Sports Medicine (Orthopaedic Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Trong Nguyen located?
- Trong Nguyen's practice location on file with NPPES is 18035 Brookhurst St # 1100, Fountain Valley, CA 92708-6738.
- What is Trong Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Trong Nguyen is (714) 861-4888.
- Does Trong Nguyen accept Medicare?
- Trong Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trong Nguyen's NPI active?
- Yes — Trong Nguyen's NPI (1427221134) is active in the NPPES registry as of the last update on 2018-03-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.