Margaret Nguyen, M.D.
NPI 1821318957 · Neonatal-Perinatal Medicine Physician · Houston, TX
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Margaret Nguyen, M.D. is a Neonatal-Perinatal Medicine Physician provider in Houston, TX (NPI 1821318957).
Provider details
- NPI number
- 1821318957
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MT198095 (PA)
Specialties & taxonomies
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
16 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
- 2010-06-11
- Last updated
- 2013-04-03
Frequently asked questions
- What is Margaret Nguyen's NPI number?
- Margaret Nguyen's National Provider Identifier (NPI) is 1821318957, 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 Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Margaret Nguyen located?
- Margaret Nguyen's practice location on file with NPPES is 6431 Fannin St Ste 310, Houston, TX 77030-1501.
- What is Margaret Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Margaret Nguyen is (713) 500-5151.
- 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 (1821318957) is active in the NPPES registry as of the last update on 2013-04-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.