MRS. ANN T. COOK MSW, LSW, BSW, LCSW
NPI 1801069901
Social Worker - Clinical in Waterbury, CT
About Mrs. Ann T. Cook Msw, Lsw, Bsw, Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. ANN T. COOK MSW, LSW, BSW, LCSW (NPI 1801069901) is an individual clinical provider in Waterbury, Connecticut, licensed in Connecticut (10690) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
Accepted Insurance
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
Mrs. Ann T. Cook Msw, Lsw, Bsw, 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 Ann Cook reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Naugatuck, CT 06770
- Reassigned Medicare billing, Connecticut enrollment
- 143 clinicians in this Medicare group
Hamden, CT 06518
- Reassigned Medicare billing, Connecticut enrollment
- 15 clinicians in this Medicare group
Derby, CT 06418
- Reassigned Medicare billing, Connecticut enrollment
- 77 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 06704 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
WATERBURY, CT 06704
WATERBURY, CT 06704
WATERBURY, CT 06704
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 Ann Cook's NPI number?
The NPI number for Ann Cook is 1801069901. It was assigned to this individual provider in the NPPES registry on April 9, 2008.
Where is Ann Cook located?
Ann Cook practices at 79 Beacon St, Waterbury, CT 06704. The listed phone number is (203) 574-3311.
What is Ann Cook's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Ann Cook enrolled in Medicare?
Yes. Ann Cook 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 Ann Cook's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Cook reassigns Medicare benefits to 3 organizations: Stokes Counseling Services LLC (Naugatuck, CT), Spectrum Psychiatric Group PC (Hamden, CT) and The Griffin Hospital (Derby, 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 Ann Cook's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Cook accept?
Health plans from Anthem Blue Cross and Blue Shield list Ann Cook as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ann Cook was last updated on September 5, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Mrs. Ann T. Cook, MSW, LSW, BSW, LCSW · NPI 1801069901
Clinical provider in Waterbury, Connecticut. Individual provider, active in the CMS NPPES registry since April 9, 2008.
## Identity
- **NPI:** 1801069901 (Entity type: Individual)
- **Enumerated:** April 9, 2008
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 10690 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 79 BEACON ST, Waterbury, CT 06704-3424
- **Phone:** (203) 574-3311
## 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): Stokes Counseling Services LLC (NPI 1134541469, Naugatuck, CT); Spectrum Psychiatric Group PC (NPI 1558420653, Hamden, CT); The Griffin Hospital (NPI 1184639973, Derby, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** September 5, 2019
- **Other identifiers:** Other SW 123007 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1801069901) · Data from the CMS NPPES public registry.