MR. SHAUN ROWLEY WILLIAMS LCSW
NPI 1649312125
Social Worker - Clinical in Waterbury, CT
About Mr. Shaun Rowley Williams Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. SHAUN ROWLEY WILLIAMS LCSW (NPI 1649312125) is an individual clinical provider in Waterbury, Connecticut, licensed in Connecticut (006404) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
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
Mr. Shaun Rowley Williams 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
2Medicare enrollment records show Shaun Williams reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Torrington, CT 06790
- Reassigned Medicare billing, Connecticut enrollment
- 374 clinicians in this Medicare group
Hartford, CT 06105
- Reassigned Medicare billing, Connecticut enrollment
- 1,186 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 06708 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 06708
WATERBURY, CT 06708
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 Shaun Williams's NPI number?
The NPI number for Shaun Williams is 1649312125. It was assigned to this individual provider in the NPPES registry on February 13, 2007.
Where is Shaun Williams located?
Shaun Williams practices at 64 Robbins St, Waterbury, CT 06708. The listed phone number is (203) 573-6103.
What is Shaun Williams's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Shaun Williams enrolled in Medicare?
Yes. Shaun Williams 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 Shaun Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shaun Williams reassigns Medicare benefits to 2 organizations: The Charlotte Hungerford Hospital (Torrington, CT) and Trinity Health Of New England Provider Network Organization Inc (Hartford, 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 Shaun Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shaun Williams accept?
Health plans from Anthem Blue Cross and Blue Shield list Shaun Williams 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 Shaun Williams 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.
# Mr. Shaun Rowley Williams, LCSW · NPI 1649312125
Clinical provider in Waterbury, Connecticut. Individual provider, active in the CMS NPPES registry since February 13, 2007.
## Identity
- **NPI:** 1649312125 (Entity type: Individual)
- **Enumerated:** February 13, 2007
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 006404 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 64 ROBBINS ST, Waterbury, CT 06708-2613
- **Phone:** (203) 573-6103 · **Fax:** (203) 573-7578
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Charlotte Hungerford Hospital (NPI 1629075734, Torrington, CT); Trinity Health Of New England Provider Network Organization Inc (NPI 1003882812, Hartford, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1649312125) · Data from the CMS NPPES public registry.