Thu Nguyen, MD
NPI 1114422888 · Family Medicine Physician · Aliso Viejo, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thu Nguyen, MD is a Family Medicine Physician provider in Aliso Viejo, CA (NPI 1114422888).
Provider details
- NPI number
- 1114422888
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
829 Medicare services, 2024 (ranked within specialty)
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 methodology.
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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 245 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 238 | $137 |
| Automated Urinalysis Test81003 | 103 | $2 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 | 96 | $50 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 58 | $16 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 91 | 90 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 81 | 77 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 63 | 61 |
| Cephalexin | 61 | 59 |
| Doxycycline Hyclate | 50 | 48 |
| Amoxicillin | 43 | 43 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa |
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-03-26
- Last updated
- 2023-04-28
- Certified
- 2023-04-28
Frequently asked questions
- What is Thu Nguyen's NPI number?
- Thu Nguyen's National Provider Identifier (NPI) is 1114422888, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thu Nguyen's specialty?
- Thu Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Thu Nguyen located?
- Thu Nguyen's practice location on file with NPPES is 26671 Aliso Creek Rd Ste 101, Aliso Viejo, CA 92656-4807.
- What is Thu Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Thu Nguyen is (949) 791-3107.
- Does Thu Nguyen accept Medicare?
- Thu Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thu Nguyen's NPI active?
- Yes — Thu Nguyen's NPI (1114422888) is active in the NPPES registry as of the last update on 2023-04-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.