ANNELIIS KOIV LCSW
NPI 1649340175
Social Worker - Clinical in Windsor, CT
About Anneliis Koiv Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNELIIS KOIV LCSW (NPI 1649340175) is an individual clinical provider in Windsor, Connecticut, licensed in Connecticut (004752) and active in the NPI registry since November 2006. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Anneliis Koiv Lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Anneliis Koiv reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hartford, CT 06102
- Reassigned Medicare billing, Connecticut enrollment
- 1,333 clinicians in this Medicare group
Farmington, CT 06032
- Reassigned Medicare billing, Connecticut enrollment
- 140 clinicians in this Medicare group
Shelton, CT 06484
- Reassigned Medicare billing, Connecticut enrollment
- 70 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Anneliis Koiv's NPI number?
The NPI number for Anneliis Koiv is 1649340175. It was assigned to this individual provider in the NPPES registry on November 9, 2006.
Where is Anneliis Koiv located?
Anneliis Koiv practices at 995 Day Hill Rd, Windsor, CT 06095. The listed phone number is (860) 731-5522.
What is Anneliis Koiv's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Anneliis Koiv enrolled in Medicare?
Yes. Anneliis Koiv is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Anneliis Koiv's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anneliis Koiv reassigns Medicare benefits to 3 organizations: Hartford Hospital (Hartford, CT), Connecticut Mental Health Specialists Inc (Farmington, CT) and Value Based Long Term Care K PC (Shelton, CT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Anneliis Koiv's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Anneliis Koiv was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Anneliis Koiv, LCSW · NPI 1649340175
Clinical provider in Windsor, Connecticut. Individual provider, active in the CMS NPPES registry since November 9, 2006.
## Identity
- **NPI:** 1649340175 (Entity type: Individual)
- **Enumerated:** November 9, 2006
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 004752 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 995 DAY HILL RD, Windsor, CT 06095-1722
- **Phone:** (860) 731-5522 · **Fax:** (860) 731-5534
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Hartford Hospital (NPI 1770696643, Hartford, CT); Connecticut Mental Health Specialists Inc (NPI 1053362814, Farmington, CT); Value Based Long Term Care K PC (NPI 1831921378, Shelton, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1649340175) · Data from the CMS NPPES public registry.