Margaret Nguyen, MD
NPI 1942485248 · Pediatric Emergency Medicine (Pediatrics) Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Nguyen, MD is a Pediatric Emergency Medicine (Pediatrics) Physician provider in San Diego, CA (NPI 1942485248).
Provider details
- NPI number
- 1942485248
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A131847 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-01-04
- Last updated
- 2014-08-01
Frequently asked questions
- What is Margaret Nguyen's NPI number?
- Margaret Nguyen's National Provider Identifier (NPI) is 1942485248, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret Nguyen's specialty?
- Margaret Nguyen is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Nguyen located?
- Margaret Nguyen's practice location on file with NPPES is 3020 Childrens Way, San Diego, CA 92123-4223.
- What is Margaret Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Margaret Nguyen is (858) 966-8036.
- Does Margaret Nguyen accept Medicare?
- Margaret Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Margaret Nguyen's NPI active?
- Yes — Margaret Nguyen's NPI (1942485248) is active in the NPPES registry as of the last update on 2014-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.