Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

About Care Gyn Associates, Pllc

Clinic/Center in Fairfax, VA · enumerated 2016 · authorized official Lillian Decosimo, Physician , Sole Member Owner.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1649714155

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Registry record

Entity type Organization (Type 2)

Legal business name About Care Gyn Associates, Pllc

Practice address 3650 Joseph Siewick Dr, Suite 309, Fairfax, VA, 22033

Phone (703) 859-5225

Fax (844) 898-2182

Enumeration date Dec 19, 2016

Last updated in NPPES Jan 9, 2017

Taxonomy & classification

261Q00000X Clinic/Center Ambulatory Health Care Facilities · License 0101053044 (VA) Primary

Authorized official

Name Lillian Decosimo

Title Physician , Sole Member Owner

Phone (703) 859-5225

Other identifiers

Identifier	Type	State	Issuer
6201547	Medicaid	VA	-

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

How current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2017-01-09. Verify at npiregistry.cms.hhs.gov.

Where is About Care Gyn Associates, Pllc located?

The practice location on file with NPPES is in Fairfax, VA.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-01-09.