Leigh Nguyen, M.D.
NPI 1720009095 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Leigh Nguyen, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1720009095).
Provider details
- NPI number
- 1720009095
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- M1266 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 131 | 85 |
| Amlodipine Besylate | 84 | 49 |
| Losartan Potassium | 68 | 39 |
| Metformin Hcl | 47 | 23 |
| Levothyroxine Sodium | 45 | 21 |
| Rosuvastatin Calcium | 38 | 23 |
| Albuterol Sulfate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-22
- Last updated
- 2024-05-07
- Certified
- 2023-07-17
Frequently asked questions
- What is Leigh Nguyen's NPI number?
- Leigh Nguyen's National Provider Identifier (NPI) is 1720009095, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leigh Nguyen's specialty?
- Leigh Nguyen is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leigh Nguyen located?
- Leigh Nguyen's practice location on file with NPPES is 5971 Venice Blvd, Los Angeles, CA 90034-1713.
- What is Leigh Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Leigh Nguyen is (323) 857-2000.
- Does Leigh Nguyen accept Medicare?
- Leigh Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Leigh Nguyen's NPI active?
- Yes — Leigh Nguyen's NPI (1720009095) is active in the NPPES registry as of the last update on 2024-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.