Ngan Nguyen, M.D.
NPI 1982043279 · Family Medicine Physician · Bonita, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ngan Nguyen, M.D. is a Family Medicine Physician provider in Bonita, CA (NPI 1982043279).
Provider details
- NPI number
- 1982043279
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 139882 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
13 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 386 | 149 |
| Amlodipine Besylate | 243 | 96 |
| Lisinopril | 166 | 66 |
| Losartan Potassium | 157 | 63 |
| Meloxicam | 148 | 65 |
| Levothyroxine Sodium | 147 | 57 |
| Omeprazole | 146 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$142 across 6 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
Registry dates
- Enumerated
- 2013-06-19
- Last updated
- 2021-12-04
- Certified
- 2021-12-04
Frequently asked questions
- What is Ngan Nguyen's NPI number?
- Ngan Nguyen's National Provider Identifier (NPI) is 1982043279, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ngan Nguyen's specialty?
- Ngan Nguyen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ngan Nguyen located?
- Ngan Nguyen's practice location on file with NPPES is 3955 Bonita Rd, Bonita, CA 91902-1230.
- What is Ngan Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Ngan Nguyen is (619) 409-6290.
- Does Ngan Nguyen accept Medicare?
- Ngan Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ngan Nguyen's NPI active?
- Yes — Ngan Nguyen's NPI (1982043279) is active in the NPPES registry as of the last update on 2021-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.