OrganizationActive
About Care Gyn Associates, PLLC
NPI 1649714155 · Clinic/Center · Fairfax, VA
About Care Gyn Associates, PLLC is a Clinic/Center organization in Fairfax, VA (NPI 1649714155).
Provider details
- NPI number
- 1649714155
- Entity type
- Organization
- Primary specialty
- Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Lillian Decosimo, Physician , Sole Member Owner(703) 859-5225
- License
- 0101053044 (VA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Established profile(71/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
3650 Joseph Siewick Dr
Suite 309
Fairfax, VA 22033-1710
Phone: (703) 859-5225
Fax: (844) 898-2182
Street-level locationGet directions
Mailing address
Po Box 220925
Chantilly, VA 20153-0925
Registry dates
- Enumerated
- 2016-12-19
- Last updated
- 2017-01-09
Frequently asked questions
- What is About Care Gyn Associates, PLLC's NPI number?
- About Care Gyn Associates, PLLC's National Provider Identifier (NPI) is 1649714155, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is About Care Gyn Associates, PLLC?
- About Care Gyn Associates, PLLC is classified in the NPPES registry as Clinic/Center (Ambulatory Health Care Facilities).
- Where is About Care Gyn Associates, PLLC located?
- About Care Gyn Associates, PLLC's practice location on file with NPPES is 3650 Joseph Siewick Dr, Fairfax, VA 22033-1710.
- What is About Care Gyn Associates, PLLC's phone number?
- The practice phone number listed in the NPPES registry for About Care Gyn Associates, PLLC is (703) 859-5225.
- Who is the authorized official for About Care Gyn Associates, PLLC?
- The authorized official listed on About Care Gyn Associates, PLLC's NPPES record is Lillian Decosimo, Physician , Sole Member Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is About Care Gyn Associates, PLLC's NPI active?
- Yes — About Care Gyn Associates, PLLC's NPI (1649714155) is active in the NPPES registry as of the last update on 2017-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.