OrganizationActive
Jan J. Dekker, M.D., L.L.C.
NPI 1699964387 · Specialist · Fairfax, VA
Jan J. Dekker, M.D., L.L.C. is a Specialist organization in Fairfax, VA (NPI 1699964387).
Provider details
- NPI number
- 1699964387
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Jan Dekker, Chairman(703) 573-6985
- License
- 0101039002 (VA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(88/100 index)
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
8316 Arlington Blvd
Suite 410
Fairfax, VA 22031-5207
Phone: (703) 573-6985
Fax: (703) 573-7154
Street-level locationGet directions
Mailing address
4307 Wynnwood Dr
Annandale, VA 22003-3430
Registry dates
- Enumerated
- 2007-10-18
- Last updated
- 2007-10-18
Frequently asked questions
- What is Jan J. Dekker, M.D., L.L.C.'s NPI number?
- Jan J. Dekker, M.D., L.L.C.'s National Provider Identifier (NPI) is 1699964387, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Jan J. Dekker, M.D., L.L.C.?
- Jan J. Dekker, M.D., L.L.C. is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Jan J. Dekker, M.D., L.L.C. located?
- Jan J. Dekker, M.D., L.L.C.'s practice location on file with NPPES is 8316 Arlington Blvd, Fairfax, VA 22031-5207.
- What is Jan J. Dekker, M.D., L.L.C.'s phone number?
- The practice phone number listed in the NPPES registry for Jan J. Dekker, M.D., L.L.C. is (703) 573-6985.
- Who is the authorized official for Jan J. Dekker, M.D., L.L.C.?
- The authorized official listed on Jan J. Dekker, M.D., L.L.C.'s NPPES record is Jan Dekker, Chairman. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Jan J. Dekker, M.D., L.L.C.'s NPI active?
- Yes — Jan J. Dekker, M.D., L.L.C.'s NPI (1699964387) is active in the NPPES registry as of the last update on 2007-10-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.