IndividualActive
Margaret O'Sullivan, DMD
NPI 1689913204 · Dentist · Houston, TX
Margaret O'Sullivan, DMD is a Dentist provider in Houston, TX (NPI 1689913204).
Provider details
- NPI number
- 1689913204
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DMD
- Sex
- Female
- Sole proprietor
- No
- License
- 27466 (TX)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(78/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 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
9742 Katy Fwy
Ste 500
Houston, TX 77055-6218
Phone: (713) 464-5437
Street-level locationGet directions
Mailing address
2800 Kirby Dr Apt A732
Houston, TX 77098-1476
Registry dates
- Enumerated
- 2013-02-01
- Last updated
- 2013-02-01
Frequently asked questions
- What is Margaret O'Sullivan's NPI number?
- Margaret O'Sullivan's National Provider Identifier (NPI) is 1689913204, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Margaret O'Sullivan's specialty?
- Margaret O'Sullivan is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Margaret O'Sullivan located?
- Margaret O'Sullivan's practice location on file with NPPES is 9742 Katy Fwy, Houston, TX 77055-6218.
- What is Margaret O'Sullivan's phone number?
- The practice phone number listed in the NPPES registry for Margaret O'Sullivan is (713) 464-5437.
- Is Margaret O'Sullivan's NPI active?
- Yes — Margaret O'Sullivan's NPI (1689913204) is active in the NPPES registry as of the last update on 2013-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.