IndividualActive
William Smallwood
NPI 1578686044 · Dentist · Ashburn, VA
William Smallwood is a Dentist provider in Ashburn, VA (NPI 1578686044).
Provider details
- NPI number
- 1578686044
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 0401410731 (VA)
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(89/100 index)
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.
Practice location
21251 Dubois Ct
Ashburn, VA 20147-4903
Phone: (703) 729-9464
Fax: (703) 729-1227
Street-level locationGet directions
Mailing address
21251 Dubois Ct
Ashburn, VA 20147-4903
Registry dates
- Enumerated
- 2007-04-09
- Last updated
- 2007-07-08
Frequently asked questions
- What is William Smallwood's NPI number?
- William Smallwood's National Provider Identifier (NPI) is 1578686044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Smallwood's specialty?
- William Smallwood is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is William Smallwood located?
- William Smallwood's practice location on file with NPPES is 21251 Dubois Ct, Ashburn, VA 20147-4903.
- What is William Smallwood's phone number?
- The practice phone number listed in the NPPES registry for William Smallwood is (703) 729-9464.
- Is William Smallwood's NPI active?
- Yes — William Smallwood's NPI (1578686044) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.