Dillon Nguyen, MD
NPI 1356979264 · Family Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dillon Nguyen, MD is a Family Medicine Physician provider in Houston, TX (NPI 1356979264).
Provider details
- NPI number
- 1356979264
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Athletic Trainer2255A2300X
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 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
95 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $98 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $66 |
Typical Medicare-allowed amounts for these services range $66–$98 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 81 | 36 |
| Amlodipine Besylate | 50 | 18 |
| Gabapentin | 42 | 17 |
| Omeprazole | 38 | — |
| Naproxen | 37 | 15 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 29 | 11 |
| Losartan/Hydrochlorothiazidebrand: Losartan-Hydrochlorothiazide |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-03-28
- Last updated
- 2023-08-08
- Certified
- 2023-07-26
Frequently asked questions
- What is Dillon Nguyen's NPI number?
- Dillon Nguyen's National Provider Identifier (NPI) is 1356979264, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dillon Nguyen's specialty?
- Dillon Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dillon Nguyen located?
- Dillon Nguyen's practice location on file with NPPES is 4755 Aldine Mail Route Rd, Houston, TX 77039-5934.
- What is Dillon Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Dillon Nguyen is (281) 985-7600.
- Does Dillon Nguyen accept Medicare?
- Dillon Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dillon Nguyen's NPI active?
- Yes — Dillon Nguyen's NPI (1356979264) is active in the NPPES registry as of the last update on 2023-08-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.