IndividualActive
Diane Sill
NPI 1992160865 · Specialist · Fairfax, VA
Diane Sill is a Specialist provider in Fairfax, VA (NPI 1992160865).
Provider details
- NPI number
- 1992160865
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Established profile(66/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
83% 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
11240 Waples Mill Rd
Suite 101
Fairfax, VA 22030-6078
Phone: (703) 237-2219
Fax: (703) 237-2729
Street-level locationGet directions
Mailing address
7502 Chancellor Way
Springfield, VA 22153-2340
Registry dates
- Enumerated
- 2015-12-20
- Last updated
- 2015-12-20
Frequently asked questions
- What is Diane Sill's NPI number?
- Diane Sill's National Provider Identifier (NPI) is 1992160865, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Sill's specialty?
- Diane Sill is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Diane Sill located?
- Diane Sill's practice location on file with NPPES is 11240 Waples Mill Rd, Fairfax, VA 22030-6078.
- What is Diane Sill's phone number?
- The practice phone number listed in the NPPES registry for Diane Sill is (703) 237-2219.
- Is Diane Sill's NPI active?
- Yes — Diane Sill's NPI (1992160865) is active in the NPPES registry as of the last update on 2015-12-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.